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Grazing lambs on pastures regrown after wildfires did not significantly alter metal content in meat and wool
October-December 2022
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October-December 2022
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Using Ecological Site Descriptions to make ranch-level decisions about where to manage for soil organic carbon
April - September 2022
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April - September 2022
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Cattle grazing reduces fuel and leads to more manageable fire behavior
April - September 2022
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April - September 2022
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Winter flooding recharges groundwater in almond orchards with limited effects on root dynamics and yield
April - September 2022
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April - September 2022
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Impacts of winter cover cropping on soil moisture and evapotranspiration in California's specialty crop fields may be minimal during winter months
January-March 2022
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January-March 2022
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Monterey pine forest made a remarkable recovery from pitch canker
July-September 2020
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July-September 2020
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California's agritourism operations expand despite facing regulatory challenges
July-September 2020
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July-September 2020
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Burn permits need to facilitate – not prevent – “good fire” in California
April-June 2020
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April-June 2020
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Recent blue oak mortality on Sierra Nevada foothill rangelands may be linked to drought, climate change
April-June 2020
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April-June 2020
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Hasty responses to foodborne illness outbreaks impact California growers
January-March 2020
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January-March 2020
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The California Tree Mortality Data Collection Network — Enhanced communication and collaboration among scientists and stakeholders
April-June 2019
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April-June 2019
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UC ANR research and education influences landscape water conservation and public policy
January-March 2019
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January-March 2019
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Possible impacts of rising CO2 on crop water use efficiency and food security
July-September 2018
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July-September 2018
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Modeled soil erosion potential is low across California's annual rangelands
July-September 2018
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July-September 2018
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Farmers share their perspectives on California water management and the Sustainable Groundwater Management Act
January-March 2018
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January-March 2018
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Ownership characteristics and crop selection in California cropland
October-December 2017
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October-December 2017
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Building climate change resilience in California through UC Cooperative Extension
October-December 2017
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October-December 2017
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Review of research to inform California's climate scoping plan: Agriculture and working lands
July-September 2017
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July-September 2017
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Biocontrol program targets Asian citrus psyllid in California's urban areas
July-September 2017
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July-September 2017
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Yield in almond is related more to the abundance of flowers than the relative number of flowers that set fruit
April-June 2017
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April-June 2017
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Unmanned aerial systems for agriculture and natural resources
January-March 2017
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January-March 2017
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The palm weevil Rhynchophorus vulneratus is eradicated from Laguna Beach
January-March 2017
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January-March 2017
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The Sustainable Groundwater Management Act challenges the diversity of California farms
October-December 2016
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October-December 2016
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Modeling the effects of local climate change on crop acreage
January-March 2016
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January-March 2016
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Management of blue gum eucalyptus in California requires region-specific consideration
January-March 2016
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January-March 2016
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Sticky traps saturate with navel orangeworm in a nonlinear fashion
January-March 2016
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January-March 2016
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Phytophthora ramorum can survive introduction into finished compost
October-December 2015
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October-December 2015
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Healthy landscapes will help California to mitigate and adapt to climate change
July-September 2015
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July-September 2015
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Forest biomass diversion in the Sierra Nevada: Energy, economics and emissions
July-September 2015
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July-September 2015
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Thinning treatments had minimal effect on soil compaction in mixed-conifer plantations
July-September 2015
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July-September 2015
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Economic sustainability modeling provides decision support for assessing hybrid poplar-based
biofuel development in California
July-September 2015
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July-September 2015
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Biomass power plant feedstock procurement: Modeling transportation cost zones and
the potential for competition
July-September 2015
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July-September 2015
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Modeling fuel treatment impacts on fire suppression cost savings: A review
July-September 2015
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July-September 2015
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Effects of fuel treatments on California mixed-conifer forests
July-September 2015
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July-September 2015
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Barbara Allen-Diaz: A career applying research to solve California's problems
April-June 2015
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April-June 2015
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Scientific literacy: California 4-H defines it from citizens' perspective
April-June 2015
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April-June 2015
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Soil suitability index identifies potential areas for groundwater banking on agricultural
lands
April-June 2015
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April-June 2015
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Forest thinning may increase water yield from the Sierra Nevada
January-March 2015
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January-March 2015
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Conifer encroachment study will inform efforts to preserve and restore North Coast
oak woodlands
January-March 2015
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January-March 2015
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Mapping forests with Lidar provides flexible, accurate data with many uses
January-March 2015
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January-March 2015
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Carbon calculator tracks the climate benefits of managed private forests
January-March 2015
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January-March 2015
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Large-tree removal in a mixed-conifer forest halves productivity and increases white
fir
January-March 2015
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January-March 2015
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Post-fire vegetation dynamics of a sagebrush steppe community change significantly
over time
January-March 2015
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January-March 2015
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UC plays a crucial facilitating role in the Sierra Nevada Adaptive Management Project
January-March 2015
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January-March 2015
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Californians must learn from the past and work together to meet the forest and fire
challenges of the next century
January-March 2015
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January-March 2015
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UC Cooperative Extension works with fire safe councils to reduce wildfires
January-March 2015
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January-March 2015
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Diagnostics in animal health: How UC helps exclude and minimize impact of livestock
pathogens
October-December 2014
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October-December 2014
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The cost of the glassy-winged sharpshooter to California grape, citrus and nursery
producers
October-December 2014
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October-December 2014
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Sidebar: Solving the puzzle of foothill abortion in beef cattle
October-December 2014
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October-December 2014
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MAINTAINING LONG-TERM MANAGEMENT: Over 35 years, integrated pest management has reduced pest risks and pesticide use
October-December 2014
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October-December 2014
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UC Cooperative Extension helps Californians use water wisely
July-September 2014
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July-September 2014
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Recycled water causes no salinity or toxicity issues in Napa vineyards
July-September 2014
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July-September 2014
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UC COOPERATIVE EXTENSION CENTENNIAL: Eucalyptus fuel dynamics, and fire hazard in the Oakland hills
July-September 2014
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July-September 2014
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Developing Northern California's first ranch marketing program
January-June 2014
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January-June 2014
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UC Cooperative Extension helps farming sprout in the city
October-December 2013
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October-December 2013
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Tractor-mounted, GPS-based spot fumigation system manages Prunus replant disease
October-December 2013
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October-December 2013
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Researchers develop alternatives to methyl bromide fumigation
July-September 2013
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July-September 2013
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Monitoring soil carbon will prepare growers for a carbon trading system
July-September 2013
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July-September 2013
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Managing the almond and stone fruit replant disease complex with less soil fumigant
July-September 2013
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July-September 2013
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Initiative promotes youth development, healthy living, science literacy
January-March 2013
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January-March 2013
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Asian citrus psyllid and huanglongbing disease threaten California citrus
October-December 2012
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October-December 2012
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Clean Development Mechanism agricultural methodologies could help California to achieve AB 32 goals
October-December 2012
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October-December 2012
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Converting oak woodland or savanna to vineyards may stress groundwater supply in summer
October-December 2012
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October-December 2012
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Income value of private amenities assessed in California oak woodlands
July-September 2012
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July-September 2012
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Radio-frequency identification could help reduce the spread of plant pathogens
July-September 2012
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July-September 2012
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Research and adoption of biotechnology strategies could improve California fruit and nut crops
April-June 2012
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April-June 2012
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Community Supported Agriculture is thriving in the Central Valley
January-March 2012
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January-March 2012
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Forest and rangeland owners value land for natural amenities and as financial investment
October-December 2011
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October-December 2011
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Tree shelters and weed control enhance growth and survival of natural blue oak seedlings
October-December 2011
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October-December 2011
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Hedgerows enhance beneficial insects on farms in California's Central Valley
October-December 2011
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October-December 2011
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Asthma patients with specific genotypes identified for fish oil treatment trial
July-September 2011
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July-September 2011
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Citrus can help prevent vitamin A deficiency in developing countries
July-September 2011
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July-September 2011
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Blue oak stump sprouting evaluated after firewood harvest in northern Sacramento Valley
July-September 2011
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July-September 2011
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Scientists discover redwoods’ resiliency in Fritz's Wonder Plot
April-June 2011
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April-June 2011
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Regulated deficit irrigation reduces water use of almonds without affecting yield
April-June 2011
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April-June 2011
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Understanding the seasonal and reproductive biology of olive fruit fly is critical to its management
January-March 2011
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January-March 2011
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Biological controls investigated to aid management of olive fruit fly in California
January-March 2011
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January-March 2011
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High temperature affects olive fruit fly populations in California's Central Valley
January-March 2011
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January-March 2011
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Methods evaluated to minimize emissions from preplant soil fumigation
January-March 2011
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January-March 2011
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Sidebar: Olive cultivars field-tested in super-high-density system in southern Italy
January-March 2011
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January-March 2011
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Mediterranean clonal selections evaluated for modern hedgerow olive oil production in Spain
January-March 2011
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January-March 2011
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Survey examines the adoption of perceived best management practices for almond nutrition
July-September 2010
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July-September 2010
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A quarter century of oak woodland research in the Sierra foothills supports oak restoration
April-June 2010
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April-June 2010
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New Zealand lessons may aid efforts to control light brown apple moth in California
January-March 2010
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January-March 2010
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Biofuels caught in changing regulations: The role of land-use changes and carbon emissions is being debated by scientists and policymakers
October-December 2009
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October-December 2009
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Sustainable use of California biomass resources can help meet state and national bioenergy targets
October-December 2009
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October-December 2009
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Plant and microbial research seeks biofuel production from lignocellulose
October-December 2009
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October-December 2009
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Cellulosic biomass could help meet California's transportation fuel needs
October-December 2009
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October-December 2009
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As carbon dioxide rises, food quality will decline without careful nitrogen management
April-June 2009
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April-June 2009
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Climate change will exacerbate California's insect pest problems
April-June 2009
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April-June 2009
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Phosphonate controls sudden oak death pathogen for up to 2 years
January-March 2009
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January-March 2009
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New pistachio varieties show promise for California cultivation
January-March 2009
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January-March 2009
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New navel orangeworm sanitation standards could reduce almond damage
January-March 2009
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January-March 2009
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Biomass crops can be used for biological disinfestation and remediation of soils and water
January-March 2009
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January-March 2009
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Self-reseeding annual legumes evaluated as cover crops for untilled vineyards
October-December 2008
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October-December 2008
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Field trials identify more native plants suited to urban landscaping
July-September 2008
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July-September 2008
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Light brown apple moth's arrival in California worries commodity groups
April-June 2008
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April-June 2008
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Food safety and environmental quality impose conflicting demands on Central Coast growers
April-June 2008
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April-June 2008
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Postharvest survival of navel orangeworm assessed in pistachios
January-March 2008
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January-March 2008
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Public work projects cultivate youth in workforce development programs
January-March 2008
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January-March 2008
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Juniper removal may not increase overall Klamath River Basin water yields
October-December 2007
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October-December 2007
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Local diffusion networks act as pathways to sustainable agriculture in the Sacramento River Valley
July-September 2007
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July-September 2007
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New late-season navel orange varieties evaluated for quality characteristics
July-September 2007
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July-September 2007
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AES Centennial 100: UC Riverside marks a century of agricultural innovation — still thriving in an urban empire
October-December 2006
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October-December 2006
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Weather-based yield forecasts developed for 12 California crops
October-December 2006
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October-December 2006
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Biotic diversity interfaces with urbanization in the Lake Tahoe Basin
April-June 2006
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April-June 2006
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Nutrients flow from runoff at burned forest site in Lake Tahoe Basin
April-June 2006
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April-June 2006
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Mechanical mastication thins Lake Tahoe forest with few adverse impacts
April-June 2006
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April-June 2006
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Well-placed bat houses can attract bats to Central Valley farms
April-June 2006
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April-June 2006
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Managed grazing and seedling shelters enhance oak regeneration on rangelands
October-December 2005
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October-December 2005
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Introduced parasitic wasps could control glassy-winged sharpshooter
October-December 2005
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October-December 2005
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Imported parasitic wasp helps control red gum lerp psyllid
October-December 2005
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October-December 2005
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Almond growers rely on pest control advisers for integrated pest management
October-December 2005
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October-December 2005
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English walnut rootstocks help avoid blackline disease, but produce less than ‘Paradox’ hybrid
October-December 2005
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October-December 2005
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Graphical analysis facilitates evaluation of stream-temperature monitoring data
July-September 2005
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July-September 2005
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Soil sterilization and organic carbon, but not microbial inoculants, change microbial communities in replanted peach orchards
July-September 2005
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July-September 2005
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Reduced-risk fungicides help manage brown rot and other fungal diseases of stone fruit
April-June 2005
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April-June 2005
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Conventional and molecular assays aid diagnosis of crop diseases and fungicide resistance
April-June 2005
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April-June 2005
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Orchard-system configurations increase efficiency, improve profits in peaches and nectarines
April-June 2005
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April-June 2005
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Large bugs damage pistachio nuts most severely during midseason
April-June 2005
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April-June 2005
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Pheromone mating disruption offers selective management options for key pests
January-March 2005
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January-March 2005
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Biological and cultural controls … Nonpesticide alternatives can suppress crop pests
January-March 2005
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January-March 2005
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Low-toxicity baits control ants in citrus orchards and grape vineyards
October-December 2004
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October-December 2004
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Cattle grazing has varying impacts on stream-channel erosion in oak woodlands
July-September 2004
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July-September 2004
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Long-term grazing study in spring-fed wetlands reveals management tradeoffs
July-September 2004
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July-September 2004
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Horticultural biotechnology faces significant economic and market barriers
April-June 2004
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April-June 2004
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Despite benefits, commercialization of transgenic horticultural crops lags
April-June 2004
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April-June 2004
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Sidebar: Virus-resistant transgenic papaya helps save Hawaiian industry
April-June 2004
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April-June 2004
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Sidebar: Biotechnology expands pest-management options for horticulture
April-June 2004
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April-June 2004
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Toll-free number aids Spanish-speaking firestorm victims; UC reserve burns
January-March 2004
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January-March 2004
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Landscape changes in Nevada County reflect social and ecological transitions
October-December 2003
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October-December 2003
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Olive fruit fly populations measured in Central and Southern California
October-December 2003
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October-December 2003
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Insecticide treatments disinfest nursery citrus of glassy-winged sharpshooter
October-December 2003
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October-December 2003
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Can almond trees directly dictate their irrigation needs?
October-December 2003
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October-December 2003
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BIOS approach tested for controlling walnut pests in San Joaquin Valley
July-September 2003
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July-September 2003
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Non-oak native plants are main hosts for sudden oak death pathogen in California
January-March 2003
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January-March 2003
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Prospects for integrated control of olive fruit fly are promising in California
January-March 2003
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January-March 2003
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Pheromones control oriental fruit moth and peach twig borer in cling peaches
September-October 2002
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September-October 2002
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Buried drip irrigation reduces fungal disease in pistachio orchards
July-August 2002
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July-August 2002
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Graft-transmissible agent causes bark necrosis and stem pitting in plum trees
May-June 2002
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May-June 2002
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California Conservation Corps offers youth career development opportunities
March-April 2002
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March-April 2002
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Eradication costs calculated: Red imported fire ants threaten agriculture, wildlife and homes
January-February 2002
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January-February 2002
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Agricultural easement programs: Saving agriculture or saving the environment?
January-February 2002
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January-February 2002
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Agroforestry is promising for previously cleared hardwood rangelands
November-December 2001
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November-December 2001
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Plant species provide vital ecosystem functions for sustainable agriculture, rangeland management and restoration
November-December 2001
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November-December 2001
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Watershed research examines rangeland management effects on water quality
November-December 2001
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November-December 2001
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BIOS and conventional almond orchard management compared
September-October 2001
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September-October 2001
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Armored scale insecticide resistance challenges San Joaquin Valley citrus growers
September-October 2001
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September-October 2001
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Interpersonal communication tops concerns of farm supervisors
September-October 2001
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September-October 2001
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Proximity to citrus influences Pierce's disease in Temecula Valley vineyards
July-August 2001
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July-August 2001
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New closterovirus in ‘Redglobe’ grape causes decline of grafted plants
July-August 2001
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July-August 2001
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Insufficient spring irrigation increases abnormal splitting of pistachio nuts
May-June 2001
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May-June 2001
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Brush piles and mesh cages protect blue oak seedlings from animals
March-April 2001
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March-April 2001
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Peach trees perform similarly despite different irrigation scheduling methods
January-February 2001
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January-February 2001
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New pests and diseases: Sudden oak death syndrome fells 3 oak species
January-February 2001
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January-February 2001
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Almond and stone fruit growers reduce OP, increase pyrethroid use in dormant sprays
November-December 2000
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November-December 2000
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Mass releases of wasps can reduce damage from codling moth
November-December 2000
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November-December 2000
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Integrated strategies offer site-specific control of yellow starthistle
November-December 2000
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November-December 2000
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Algal-bacterial treatment facility removes selenium from drainage water
November-December 2000
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November-December 2000
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Grading error reduces grower incentives to increase prune quality
November-December 2000
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November-December 2000
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UC scientists apply IPM techniques to new eucalyptus pests
November-December 2000
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November-December 2000
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Mapping vineyard expansion provides information on agriculture and the environment
May-June 2000
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May-June 2000
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Biodiversity is critical to future health of California's ecology and economy
March-April 2000
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March-April 2000
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California forest policy must bend toward the new social order
March-April 2000
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March-April 2000
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For California farmworkers, future holds little prospect for change
January-February 2000
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January-February 2000
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The new rural poverty: Central Valley evolving into patchwork of poverty and prosperity
January-February 2000
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January-February 2000
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Black Mission fig production improved by heavier irrigation
November-December 1999
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November-December 1999
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Rearing immunodeficient calves on pasture reduces death, production costs
November-December 1999
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November-December 1999
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Science Briefs: UC scientists study Pierce's disease, vineyard expansion
November-December 1999
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November-December 1999
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Timing, frequency of sampling affect accuracy of water-quality monitoring
November-December 1999
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November-December 1999
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Costs of pressurized orchard irrigation vary with system design
September-October 1999
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September-October 1999
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Water relations of lysimeter-grown peach trees are sensitive to deficit irrigation
July-August 1999
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July-August 1999
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Glassy-winged sharpshooters expected to increase plant disease
March-April 1999
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March-April 1999
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Microsprinklers wet larger soil volume; boost almond yield, tree growth
March-April 1999
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March-April 1999
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Contaminants and injury induce inking on peaches and nectarines
January-February 1999
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January-February 1999
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Farmers adopt new irrigation and fertilizer techniques: Changes could help growers maintain yields, protect water quality
January-February 1999
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January-February 1999
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Transgenic Bt crops and resistance: Broadscale use of pest-killing plants to be true test
November-December 1998
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November-December 1998
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Feasibility of producing pear wine: Pears produce premium sparkling wine
November-December 1998
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November-December 1998
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Public germplasm development at a crossroads: Biotechnology and intellectual property
November-December 1998
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November-December 1998
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Beneficial insects move from flowering plants to nearby crops
September-October 1998
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September-October 1998
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Invisible invaders: Insect-transmitted viruses threaten agriculture
March-April 1998
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March-April 1998
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Biological control of the blue gum psyllid proves economically beneficial
January-February 1998
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January-February 1998
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Vertebrates diverse and abundant in well-structured oak woodland
November-December 1997
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November-December 1997
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Calcium chloride reduces rain cracking in sweet cherries
September-October 1997
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September-October 1997
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Post-fire herbicide sprays enhance native plant diversity
January-February 1997
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January-February 1997
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Wholesale nursery surveys reveal inventory, customers and business practices
September-October 1996
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September-October 1996
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Spring insecticide treatments control adelgids on Douglas fir
September-October 1996
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September-October 1996
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News from the recycling front: Agriculture could provide a major market for recycled green waste
September-October 1996
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September-October 1996
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Almond trees grown on peach rootstock initially more productive
July-August 1996
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July-August 1996
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Urban forestry adds $3.8 billion in sales to California economy
January-February 1996
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January-February 1996
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Displaced by agriculture, urban growth: California wildlife faces uncertain future
November-December 1995
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November-December 1995
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How economic incentives for growers can benefit biological diversity
November-December 1995
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November-December 1995
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Millions of generations old: Once lost, diversity of gene pools cannot be restored
November-December 1995
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November-December 1995
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Biodiversity indicators in California: Taking nature's temperature
November-December 1995
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November-December 1995
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Living with the Endangered Species Act: Conflicts, compromises arise at grassroots
November-December 1995
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November-December 1995
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Private landowners critical to saving California biodiversity
November-December 1995
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November-December 1995
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Society responds to contamination: Changes in pest control practices reduce toll on wildlife
November-December 1995
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November-December 1995
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Pioneer in genetics, conservation: Q & A with Ledyard Stebbins
November-December 1995
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November-December 1995
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Planted blue oaks may need help to survive in Southern Sierras
September-October 1995
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September-October 1995
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Blue oak acorns more viable in Madera County than Kern County
September-October 1995
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September-October 1995
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Consistent annual treatment helps future olive leaf spot control
September-October 1995
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September-October 1995
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Long-term survival question: Why do oaks produce boom-and-bust seed crops?
September-October 1995
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September-October 1995
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Hedgerows use more water, but increase efficiency, profit in young walnuts
July-August 1995
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July-August 1995
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Single-season drought irrigation strategies influence almond production
January-February 1995
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January-February 1995
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Integrated program protects trees from eucalyptus longhorned borer
January-February 1995
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January-February 1995
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Almond growers reduce pesticide use in Merced County field trials
January-February 1995
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January-February 1995
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In Contra Costa County study, insect damage limits yield, profits of organic apples
November-December 1994
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November-December 1994
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Disease, insect pressures make organic production risky in Sonoma County
November-December 1994
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November-December 1994
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In Santa Cruz County, Granny Smith conversions to organic show early success
November-December 1994
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November-December 1994
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Research update: ‘Grinch’ fungus threatens Christmas trees
November-December 1994
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November-December 1994
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In the San Joaquin Valley, mating disruption of codling moth has mixed results
November-December 1994
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November-December 1994
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Pitch canker kills pines, spreads to new species and regions
November-December 1994
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November-December 1994
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On some tree species, annual sprays may control western poplar clearwing moth
July-August 1994
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July-August 1994
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Methyl bromide regulation: All crops should not be treated equally
May-June 1994
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May-June 1994
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Cancelling methyl bromide for postharvest use to trigger mixed economic results
May-June 1994
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May-June 1994
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Ethephon sprays eliminate the messy, hazardous fruits of flowering pear and liquidambar
March-April 1994
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March-April 1994
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With fewer acres, more mechanization: California leads Spain in almond production, exports to world
November-December 1993
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November-December 1993
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Adjusting sprinkler angle reduces spread of disease in pistachio
September-October 1993
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September-October 1993
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Crow damage to almonds increasing; no foolproof solution in sight
September-October 1993
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September-October 1993
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Shredding “mummy” walnuts is key to destroying navel orangeworm in winter
September-October 1993
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September-October 1993
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Insect pathogen “Bt” controls peach twig borer on fruits and almonds
September-October 1993
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September-October 1993
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Treeshelters for nursery plants may increase growth, be cost effective
July-August 1993
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July-August 1993
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Codling moth, navel orangeworm studies show knowing location of pests in walnuts should help disrupt mating, egg laying
May-June 1993
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May-June 1993
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From dried beet pulp to rice hulls: Rumen digestion of various dairy feedstuffs compared in tests
May-June 1993
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May-June 1993
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Laboratory-selected California red scale parasite is resistant to Sevin
January-February 1993
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January-February 1993
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Ground cover height affects pre-dawn orchard floor temperature
January-February 1993
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January-February 1993
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Shorter sprinkler irrigations reduce Botryosphaeria blight of pistachio
November-December 1992
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November-December 1992
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Environmental factors contribute to acorn quality: Elevation, on- or off-tree collection influence the viability of blue oak acorns
September-October 1992
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September-October 1992
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Brown-bagging Granny Smith apples on trees stops codling moth damage
July-August 1992
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July-August 1992
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In California's municipalities, saving native oaks calls for planning
March-April 1992
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March-April 1992
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How Africanized honey bees will affect California agriculture
January-February 1992
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January-February 1992
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Biological control of ash whitefly: a success in progress
January-February 1992
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January-February 1992
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On the California border, exotic pests pose growing problem for California
January-February 1992
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January-February 1992
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Strategies needed for oak protection: Despite landowner favor, oak groves likely to diminish in size and number
November-December 1991
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November-December 1991
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Subsurface drip irrigation of tomatoes: Drip system design, management promote seed emergence
November-December 1991
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November-December 1991
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Owning harvest equipment versus custom hiring: the case of walnuts
November-December 1991
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November-December 1991
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Genetic improvement of beneficial insect…: Guthion-resistant parasite ready for implementation in walnuts
September-October 1991
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September-October 1991
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Controlling ash, olive tree pest: Study describes ash borer infestations, tests management method
September-October 1991
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September-October 1991
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Implementing CIMIS at the farm level: a grower's experience in walnuts
September-October 1991
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September-October 1991
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How disinfectants compare in preventing transmission of fire blight
July-August 1991
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July-August 1991
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Over-tree sprinkling reduces abnormal shapes in ‘Bing’ sweet cherries
July-August 1991
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July-August 1991
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Effect of a topically applied whitener on sun damage to Granny Smith apples
January-February 1991
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January-February 1991
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Chemical control of amorbia, an insect pest of avocado and citrus
November-December 1990
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November-December 1990
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Citrus skirt pruning – a management technique for Phytophthora brown rot
November-December 1990
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November-December 1990
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Supplemental chemical control for omnivorous looper on avocados
November-December 1990
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November-December 1990
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IPM Integrated crop management increases citrus growth and yields
September-October 1990
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September-October 1990
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Immigration reform and California agriculture a year later
January-February 1990
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January-February 1990
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Survey detects viruses in almond, prune, and sweet cherry orchards
September-October 1989
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September-October 1989
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Short-rotation intensively cultured woody biomass plantations
November-December 1988
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November-December 1988
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The potential of gypsy moth as a pest of fruit and nut crops
November-December 1987
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November-December 1987
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Decline of navel orange trees with trifoliate orange rootstocks
SEPTEMBER-OCTOBER 1985
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SEPTEMBER-OCTOBER 1985
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Aerial movements of mites in almonds: Implications for pest management
September 1984
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September 1984
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Deep cultivation and gypsum as potential solutions to slow water penetration
July-August 1984
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July-August 1984
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Evaluating the profitability of brush management and oak tree thinning for range improvement
September-October 1983
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September-October 1983
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Effect on yield from shaking almond trees for mummy nut removal
July-August 1983
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July-August 1983
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Cumulative effects of ethephon as a fruit thinner on French prune trees
September-October 1982
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September-October 1982
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Parasitic nematode may control carpenterworm in fig trees
January-February 1981
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January-February 1981
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Blackline of English walnut trees traced to graft-transmitted virus
November-December 1980
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November-December 1980
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Devrinol and surflan: New selective weed control in young orchards and vineyards
March 1976
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March 1976
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Walnut aphid management …aphid effects on walnut production and quality
May 1971
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May 1971
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Bacterial phloem canker of Persian walnut… development and control factors
April 1971
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April 1971
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Noninfectious bud failure of almonds in California (1) the nature and origin
December 1969
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December 1969
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Phytotoxicity, and irrigation effects in orchard weed control with herbicides
October 1969
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October 1969
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Smog injury, root diseases and bark beetle damage in ponderosa pine
September 1969
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September 1969
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Influence of weather on the harvesting of high elevation christmas trees
August 1969
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August 1969
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Christmas tree quality of white fir understory in a giant sequoia forest
December 1967
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December 1967
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Effects of different rootstocks, and degree of psylla infestation on leaf curl in young pear trees
October 1967
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October 1967
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Effects of artificial pollination on yield of Nonpareil almond trees
September 1967
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September 1967
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Water use of dry-farmed almonds under clean and noncultivation conditions
September 1967
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September 1967
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Slab pruning: Of mature orange trees eases harvesting, reduces yields
December 1965
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December 1965
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Shaker-Clamp Injury to Fruit and Nut Trees: … A research program aimed at causes and control
August 1965
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August 1965
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A progress report…: Citrus rootstocks resistant to phytophthora root rot
February 1965
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February 1965
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New pear roots for old … inarching decline-immune seedlings into susceptible peas trees
June 1964
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June 1964
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Pear decline research—Methods of propagating own-rooted old home and Bartlett pears to produce trees resistant to decline
October 1962
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October 1962
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Chemical brush control for fire hazard reduction and natural landscape improvement around the rural home
September 1962
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September 1962
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Briefs short reports on current agricultural research: Fresh-seed dormancy in annual grasses
April 1962
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April 1962
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Effects of chromium on citrus and avocado grown in nutrient solutions
February 1961
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February 1961
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Effects of irrigation and nitrogen on micronutrient concentrations in Hass avocado leaves
February 1961
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February 1961
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Suspected virus disease rusty blotch of Japanese plums found throughout California
January 1961
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January 1961
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Disinfestation of planting sites may improve growth of Navel orange trees on Troyer citrange rootstock
May 1960
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May 1960
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Leaf analysis as a guide to nitrogen: Fertilization of the avocado
January 1960
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January 1960
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Water stress and leaf drop: Healthy appearing leaves dropped by small orange trees after applied soil moisture ended induced periods of water stress
January 1960
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January 1960
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Citrus and avocado nematodes: Spread by nursery stock, by contaminated implements, and by water from irrigation canals that may drain infested land
September 1959
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September 1959
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Deciduous fruit and nut trees: Root-knot nematode on peach and root-lesion nematode on walnut cause serious problems for California orchardists
September 1959
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September 1959
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Frost protection in peaches: New model under-tree wind machine tested with and without burners in orchard near Wheatland during winter of 1958–59
August 1959
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August 1959
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Area-wide drainage: Herringbone pattern and interception type systems solve drainage problems
July 1959
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July 1959
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Lime-induced chlorosis studied: Physiology of disorder investigated to learn role of malonic acid and possibility of a block in organic acid metabolism
March 1959
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March 1959
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Zinc effect on citrus, avocado: Large concentrations of zinc added to sand or soil cultures corrected mottle-leaf, increased leaf size and tree growth
January 1959
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January 1959
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Micronutrients in valencias: Study made on the effects of nitrogen fertilization on the micronutrient concentrations in leaves of Valencia orange
January 1959
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January 1959
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Nitrogen fertilizers on olive: Response to nitrogen applications apparently influenced by variable factors found in different olive growing districts
December 1958
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December 1958
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Induced increase of soft scale: Imbalance between scales and natural enemies on walnut trees in northern California results in scale population increases
November 1958
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November 1958
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Deficiencies of micronutrients: Influence of phosphate fertilizers on micronutrients in avocado leaves subject of long-term study of Fuerte orchard
October 1958
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October 1958
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Apricot irrigation studies: Consumptive use of water by trees and soil salinity control experiment conducted in western Stanislaus County orchards
September 1958
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September 1958
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Boron requirements of prunes: Diagnostic and treatment experiments in Sonoma County show promise in control of brushy branch disease of prune trees
August 1958
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August 1958
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Control of solar radiation: Housing comfort in both summer and winter can be improved by construction designed to take advantage of solar angles
July 1958
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July 1958
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Zinc deficiency in the avocado: Application of zinc chelates to soils may solve the zinc problem in trees on land too steep for spray rig operation
June 1958
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June 1958
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Fertilizers for timber trees: Exploratory greenhouse investigations show varying responses of timber trees to soils and to applications of fertilizers
June 1958
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June 1958
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Root-lesion nematode on walnut: Replants of California black walnut and unselected Paradox hybrid responded to preplanting soil fumigation in trials
May 1958
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May 1958
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Gibberellin tested on citrus: Fruit set on Bearss lime, Eureka lemon, and Washington navel orange increased by treatments in preliminary investigations
May 1958
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May 1958
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Woolly and green apple aphids: Field trials with new materials in orchard near Watsonville indicate same timing of spray treatment controls both pests
March 1958
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March 1958
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Citrus trees in water cultures: Information derived from studies using nutrient solutions as tools of research is of inestimable value to citrus industry
March 1958
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March 1958
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Chlorine absorption: All portions of citrus trees grown in soil cultures absorbed chlorine in test
March 1958
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March 1958
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High and low budding of citrus: Malformation of bud union of citrus trees on Sampson tangelo, and Cleopatra mandarin stock seems related to budding height
November 1957
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November 1957
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Leaf malady of avocado trees: Leaves of trees of several varieties on various rootstocks seriously affected when placed under glasshouse conditions
October 1957
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October 1957
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Sugar pine seedling survival: Investigations indicate seed storage conditions important factor affecting vigor and subsequent survival of seedlings
September 1957
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September 1957
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Effect of oil spray on lemons: Juice quality and yield were not affected by pest control sprays in tests made in two southern California orchards
July 1957
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July 1957
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Fumigants for citrus nematode: Several fumigants available for treatment of old citrus soil for control of nematode before replanting with young trees
June 1957
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June 1957
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Weed control near grass areas: Soil fumigants and contact spray materials included in series of studies on control of weeds in relatively confined areas
February 1957
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February 1957
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California scaly bark disease of citrus: No known cure for infected trees but treatment in early stages of disease can retard its advance into successive stages with their increasing economic loss
February 1957
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February 1957
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Reduction of wildfire hazard: Correct timing of prescribed burning of dead vegetation in timber reduces danger of uncontrolled fires in those areas
November 1956
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November 1956
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Nitrate levels for vaiencias: Tree growth improved in soil and solution cultures when nitrogen was maintained at relatively high concentrations
November 1956
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November 1956
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Growth regulators on apricot: Seeds from apricot trees treated with growth regulators are inhibited in germination and any seedling growth is abnormal
October 1956
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October 1956
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Copper deficiency of almonds: Applications of copper compounds to trees near Paso Robles produced response in leaf growth, corrected kernel shrivel
June 1956
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June 1956
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Promising new seedling fig: Conadria variety, a hybrid developed in 30-year fig breeding program, shows promise for both fresh and dried fruit markets
June 1956
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June 1956
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2,4-D Damage to young citrus: Young lemon, orange, and grapefruit trees may be severely damaged by direct application of, or by the drift of 2,4-D
April 1956
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April 1956
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Prune size affected by 2,4,5-T: Erratic response in fruit size obtained after experimental treatment of mature trees with sprays of growth regulator
April 1956
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April 1956
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Growth regulators on apricots: Tests with several regulators indicate 2,4,5-T is best for increasing size, hastening maturity, controlling fruit drop
April 1956
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April 1956
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Woolly apple aphid control: Upward and downward migration of aphid throughout trees reduced in preliminary experiments with chemical compounds
March 1956
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March 1956
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Russet on bartletts: Pears from trees treated with copper or streptomycin equally free from russet
February 1956
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February 1956
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Powdery mildew on peach trees: Comparative effectiveness of sulfur and other chemicals for control of peach powdery mildew in tests near Linden
January 1956
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January 1956
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Sulfur dioxide injury on citrus: Riverside tests show orange trees to be resistant to plantdamaging air pollutant at known atmospheric concentrations
January 1956
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January 1956
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Machine harvesting of olives: Average of 94.6% of the fruit removed from Mission olive trees in tests with boom-type shaker and catching frame
December 1955
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December 1955
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Soil temperature and citrus: Low soil temperature contributes to low number of roots under citrus trees in some areas of southern California
November 1955
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November 1955
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Effective use of living shade: Studies show how selection and location of trees and shrubs can reduce extremes of summer temperatures in living areas
September 1955
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September 1955
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Frost protection in almonds: Wind machine studies in 1955 frost season indicate protection in mature almond orchards below that obtained in citrus
August 1955
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August 1955
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Auxins for hardwood cuttings: Effect of root-promoting hormones in propagating fruit trees by hardwood cuttings studied during past three seasons
April 1955
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April 1955
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Fluorine toxicity in citrus: Growth retardation and leaf tip-burn accompanied increased fIuorine concentrations in experimentaI laboratory cultures
March 1955
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March 1955
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Early sprays for mite control: European red mite on pear trees held in check by prebloom sprays until the summer treatment period
February 1955
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February 1955
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Fumigation of avocado soils: Fungus causing root rot can be controlled by fumigant but its use may prove lethal to trees
November 1954
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November 1954
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Use of demeton on citrus trees: Effective control of citrus red mite and green citrus aphid obtained with systemic insecticide
November 1954
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November 1954
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Off-flavor in canned olives: Tests show application of certain insecticides to olive trees will produce musty flavor in the fruit
October 1954
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October 1954
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Irrigation tests with oranges: Effects of various irrigation practices on growth and production of citrus trees subject of studies
October 1954
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October 1954
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Fungi and shell bark of lemon: Complex disorder of bearing lemon trees studied to establish role of fungi and control of the disease
June 1954
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June 1954
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Leafy seviiiano olive cuttings: Rooting readily obtained under mist humidification produced satisfactory trees in experiment at Davis
May 1954
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May 1954
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Growth of citrus seedlings: Effect of 2,4–D available to roots of seedlings varies with concentration and seedling variety
April 1954
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April 1954
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Russeting of bartlett pears: Experiments in 1953 indicate some factor other than copper in fire blight control is cause of russeting
March 1954
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March 1954
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Chlorosis in ornamentals: Control of lime-induced chlorosis by soil applications of chelated iron can be effective
October 1953
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October 1953
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Fertilizer placement: Citrus production compared in between-rows, under-tree broadcast
September 1953
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September 1953
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2, 4, 5 -T sprays on stone fruit: Tests reveal possible advantages of early fruit maturity as well as danger of injury to trees
September 1953
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September 1953
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Lime-induced chlorosis: Chelating agents a possible means of control in citrus, avocado, and other subtropicals
August 1953
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August 1953
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Chlorosis in avocado: May be caused by nutrients in soil or genetic variations in the variety
August 1953
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August 1953
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Chlorosis in avocado: Young trees on Guatemalan rootstocks appear less tolerant to disorder than trees on Mexican stocks
July 1953
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July 1953
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Olive fruiting behavior: Soil moisture during floral development studied for possible effect on fruitfulness in olive trees
February 1953
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February 1953
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Nuclear lines of citrus: Tree size, yield, and fruit characters of old and young lines of ten citrus varieties compared
January 1953
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January 1953
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Stem pitting on citrus trees: Disorder resulting from quick decline observed in California citrus orchards for the first time in 1952
January 1953
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January 1953
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Christmas tree production: Winter season is favorable planting time for tree crop to meet expanding California market
December 1952
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December 1952
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Phosphatic fertilizers on valencias: Field response in phosphorus-deficient orchard reveals improvements in foliage growth and color, and in fruit quality
November 1952
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November 1952
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Quick decline studies: Top-root relationships of citrus investigated in experiments to salvage susceptible orchard trees
March 1952
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March 1952
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Longevity of lemon trees: Long-term selection experiments indicate strains least likely to decline or develop shell bark
March 1952
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March 1952
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Citrus-root nematode: Effects on young lemon and orange trees studied in inoculation tests under controlled conditions
February 1952
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February 1952
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Spray chemical concentrations: Recommendations for bulk, semi consent rate, concentrate methods of spray application on deciduous fruit trees
January 1952
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January 1952
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Orange yield and fruit size: Long-term experiments test the effects of organic matter in covercrops and manure on trees in southern California
November 1951
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November 1951
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Apricot irrigation: Tests indicate one irrigation not enough for best results
May 1951
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May 1951
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Nitrogen sprays: Tests reported with fertilizer containing 44% organic nitrogen
March 1951
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March 1951
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Olive tree spacing: Studies indicate wide spacing of trees advantageous to yields
March 1951
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March 1951
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Lemon response to phosphate: Substantial increase in yield of lemons followed application of phosphate in trials in two counties
March 1951
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March 1951
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Lemon response to phosphate: Vegetative growth stimulated by soil application of phosphate to trees showing leaf symptoms of deficiency
February 1951
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February 1951
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Spot-wise seeding for redwood: Artificial reforestation by seeding or planting necessary on cutover land devoid of seed trees
December 1950
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December 1950
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Orangeworms on avocados: Orange tortrix feeds on bark, flowers, and buds or on shoots of immature trees
August 1950
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August 1950
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Spread of apricot roots: Unirrigated trees apparently obtained moisture from adjacent irrigated plot in experimental orchard at Winters
July 1950
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July 1950
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Stump grafting old citrus: Familiar bark grafting practice commonl proves adaptable to old orange trees in used on walnuts San Bernardino County
July 1950
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July 1950
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Weather effects on oranges: Fruit size and yields influenced by temperature, blossoming date and age of trees
June 1950
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June 1950
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Tests on girdling olive trees: Indicate practice most effective when done in February before flower parts of the olive begin to develop
February 1950
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February 1950
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Fruit drop of lemons: 2,4-D and 2,4,5-T water sprays reduce mature fruit drop, with little effect on drop of immature fruit
February 1950
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February 1950
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Injections for citrus trees: Phosphorus and potassium given lemon trees by injections in experimental study of nutrient deficiencies
February 1950
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February 1950
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Air-carrier spray equipment: Economical and effective in applying concentrated spray mixtures
February 1950
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February 1950
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Citrus leaf analysis: Nutrient deficiencies, excesses and fertilizer requirements of soil indicated by diagnostic aid
November 1949
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November 1949
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Root-lesion nematode injury: Trials under way to determine resistant or tolerant rootstocks for fruit and nut trees
August 1949
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August 1949
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Timber growth studies: Tree growth in Whitaker's Forest, Tulare County, during 33-year period; 1915 to 1948
August 1949
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August 1949
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Irrigation of walnut orchards: Mature trees require large quantities of water daily throughout time they are in leaf
July 1949
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July 1949
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Storage of citrus fruits: Studies indicate use of 2,4-D and 2,4,5-T sprays on trees prolong storage life of citrus fruits
June 1949
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June 1949
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Citrus tree freeze damage: Possible effect of the January 1949 cold spell on the 1950 crop and recommended treatment of injured trees
April 1949
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April 1949
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Citrus seedlings: Influence of fumigation and other treatments of former citrus soils
February 1949
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February 1949
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Bartlett pears: The possibilities of 2,4-D sprays in controlling preharvest drop
January 1949
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January 1949
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Root-lesion nematodes: Resistant rootstocks most promising method of control
January 1949
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January 1949
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Crowded citrus orchards: Preliminary studies to determine effect of pruning practices in dense groves
October 1948
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October 1948
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Dry bark of lemons prevalent: In coastal areas on various rootstocks and found to extend inland
July 1948
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July 1948
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Sweet root orange trees: Symptomless hosts of the quick decline virus
June 1948
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June 1948
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Low volume spraying: Of deciduous fruit trees successful with air carrier speed sprayers
June 1948
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June 1948
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Quick decline: Experiments seek control of virus-caused disease of orange trees
March 1948
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March 1948
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Seedless Calimyrna figs: Produced without caprifigs by spraying with growth regulators
February 1948
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February 1948
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