California Agriculture
California Agriculture
California Agriculture
University of California
California Agriculture

Archive

March-April 1987
Volume 41, Number 3

Peer-reviewed research and review articles

Responses to selenium in a ange beef herd
by Aaron O. Nelson, Robert f. Miller
| Full text HTML  | PDF  
Selenium deficiencies have long been recognized in northern California but only recently in the Central Valley. On the cover, Farm Advisor Aaron Nelson checks the ear tag of a calf roped by ranch owner Clyde Johnson in a study to determine if supplemental selenium would benefit cattle on his Sierra foothill ranch. Results were “remarkable.”
Calves born of cows supplemented with selenium had significantly higher weaning weights.
Improving almond crop forecasts
by Jeffrey Dorfman, Dale Heien
| Full text HTML  | PDF  
Adding May weather data to the state's estimate makes prediction of the California almond crop more accurate.
Wide fluctuations in the California almond crop from year to year complicate marketing strategy. Including early-season weather data could improve the accuracy of crop estimates.
Araentine ant management in cherimoyas
by Phil A. Phillips, Ronald S. Bekey, George E. Goodall
| Full text HTML  | PDF  
Spot application of insecticide kept Argentine ants from disrupting biological mealy bug control.
Effects of changes in the water year on irrigation in the San Joaquin Valley
by Dennis Wichelns, Gerald L. Horner, Richard E. Howitt
| Full text HTML  | PDF  
Growers on a March 1 water year reduced pre-irrigation.
Changing starting date of water contract year to March 1 from January 1 could avoid ‘use it or lose it’ situations
Usina concentrate postbloom NAA sprays to thin olives
by William H. Krueger, George C. Martin, Chic Nishijima, John E. Dibble
| Full text HTML  | PDF  
A concentrate spray was as effective as a dilute spray.
Thinning with a concentrate spray was just as effective as with a dilute spray in reducing the crop, improving fruit size and value, and increasing return bloom.
The beet armyworm in floricultural crops
by Harvey A. Yoshida, Michael P. Parrella
| Full text HTML  | PDF  
Wise use of insecticides may be the best defense against this insect.
Common in field and vegetable crops, the beet armyworm has invaded flower crops. It's hard to control with insecticides and can quickly build resistance. Microbial insecticides may be an effective alternative.
Using reclaimed municipal wastewater for irrigation
by Takashi Asano, G. Stuart Pettygrove
| Full text HTML  | PDF  
Experience in communities now using wastewater for irrigation proves it is safe and practical.
The risks are proportional to the degree of human contact and the adequacy and reliability of treatment.
Effect of hydrogen cyanamide on bud emergence in wine grapes
by John H. Foott
| Full text HTML  | PDF  
Results in earlier, higher budburst in Chardonnay and Cabernet grapes.
Optimal management of saline water tables in irrigated regions
by Timothy K. Gates, Mark E. Grismer
| Full text HTML  | PDF  
A statistical model may help make decisions on salinity and drainage.
A computer model incorporates uncertainties about water tables and aquifers into irrigation management.
Assessment of lateral groundwater flows in the SJV
by Mark E. Grismer, R. Craig Woodring
| Full text HTML  | PDF  
Flows are variable, relatively small, but potentially significant.
Relatively small, but potentially significant
Predicting cotton seedling emergence
by Thomas A. Kerby, Mark Keeley, Stephanie Johnson
| Full text HTML  | PDF  
Desirable plant densities can be obtained by basing the seeding rate on predicted heat units and seed quality.
Best stand establishment depends on both warm and cool germination rates of seed as well as temperatures during five days following planting.
Buckskin disease of cherry
by Alexander H. Purcell, Jerry K. Uyernoto, Robert A. Van Steenwyk, Wallace R. Schreader, Karen Gonot Suslow, Bruce Kirkpatrick
| Full text HTML  | PDF  
Control focuses on leafhoppers.
A marketing research amroach for imtwovina Extension publications
by Gordon W. Frankie, James I. Grieshop, Carlton S. Koehler, J. Kenneth Grace, Kathleen A. Hesketh
| Full text HTML  | PDF  
A pilot study indicates that market research could be useful in identifying specific consumer information needs.
A two-way exchange of information between producer and ultimate users could lead to more effective publications.
The impact of the new immigration reform act
by Howard R. Rosenberg, John W. Mamer
| Full text HTML  | PDF  
Discourages illegal immigration, while softening some of the major adjustments required.
Many questions remain unanswered

Editorial, News, Letters and Science Briefs

Redefining goals and priorities
by Kenneth R. Farrell
Full text HTML  | PDF  
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March-April 1987
Volume 41, Number 3

Peer-reviewed research and review articles

Responses to selenium in a ange beef herd
by Aaron O. Nelson, Robert f. Miller
| Full text HTML  | PDF  
Selenium deficiencies have long been recognized in northern California but only recently in the Central Valley. On the cover, Farm Advisor Aaron Nelson checks the ear tag of a calf roped by ranch owner Clyde Johnson in a study to determine if supplemental selenium would benefit cattle on his Sierra foothill ranch. Results were “remarkable.”
Calves born of cows supplemented with selenium had significantly higher weaning weights.
Improving almond crop forecasts
by Jeffrey Dorfman, Dale Heien
| Full text HTML  | PDF  
Adding May weather data to the state's estimate makes prediction of the California almond crop more accurate.
Wide fluctuations in the California almond crop from year to year complicate marketing strategy. Including early-season weather data could improve the accuracy of crop estimates.
Araentine ant management in cherimoyas
by Phil A. Phillips, Ronald S. Bekey, George E. Goodall
| Full text HTML  | PDF  
Spot application of insecticide kept Argentine ants from disrupting biological mealy bug control.
Effects of changes in the water year on irrigation in the San Joaquin Valley
by Dennis Wichelns, Gerald L. Horner, Richard E. Howitt
| Full text HTML  | PDF  
Growers on a March 1 water year reduced pre-irrigation.
Changing starting date of water contract year to March 1 from January 1 could avoid ‘use it or lose it’ situations
Usina concentrate postbloom NAA sprays to thin olives
by William H. Krueger, George C. Martin, Chic Nishijima, John E. Dibble
| Full text HTML  | PDF  
A concentrate spray was as effective as a dilute spray.
Thinning with a concentrate spray was just as effective as with a dilute spray in reducing the crop, improving fruit size and value, and increasing return bloom.
The beet armyworm in floricultural crops
by Harvey A. Yoshida, Michael P. Parrella
| Full text HTML  | PDF  
Wise use of insecticides may be the best defense against this insect.
Common in field and vegetable crops, the beet armyworm has invaded flower crops. It's hard to control with insecticides and can quickly build resistance. Microbial insecticides may be an effective alternative.
Using reclaimed municipal wastewater for irrigation
by Takashi Asano, G. Stuart Pettygrove
| Full text HTML  | PDF  
Experience in communities now using wastewater for irrigation proves it is safe and practical.
The risks are proportional to the degree of human contact and the adequacy and reliability of treatment.
Effect of hydrogen cyanamide on bud emergence in wine grapes
by John H. Foott
| Full text HTML  | PDF  
Results in earlier, higher budburst in Chardonnay and Cabernet grapes.
Optimal management of saline water tables in irrigated regions
by Timothy K. Gates, Mark E. Grismer
| Full text HTML  | PDF  
A statistical model may help make decisions on salinity and drainage.
A computer model incorporates uncertainties about water tables and aquifers into irrigation management.
Assessment of lateral groundwater flows in the SJV
by Mark E. Grismer, R. Craig Woodring
| Full text HTML  | PDF  
Flows are variable, relatively small, but potentially significant.
Relatively small, but potentially significant
Predicting cotton seedling emergence
by Thomas A. Kerby, Mark Keeley, Stephanie Johnson
| Full text HTML  | PDF  
Desirable plant densities can be obtained by basing the seeding rate on predicted heat units and seed quality.
Best stand establishment depends on both warm and cool germination rates of seed as well as temperatures during five days following planting.
Buckskin disease of cherry
by Alexander H. Purcell, Jerry K. Uyernoto, Robert A. Van Steenwyk, Wallace R. Schreader, Karen Gonot Suslow, Bruce Kirkpatrick
| Full text HTML  | PDF  
Control focuses on leafhoppers.
A marketing research amroach for imtwovina Extension publications
by Gordon W. Frankie, James I. Grieshop, Carlton S. Koehler, J. Kenneth Grace, Kathleen A. Hesketh
| Full text HTML  | PDF  
A pilot study indicates that market research could be useful in identifying specific consumer information needs.
A two-way exchange of information between producer and ultimate users could lead to more effective publications.
The impact of the new immigration reform act
by Howard R. Rosenberg, John W. Mamer
| Full text HTML  | PDF  
Discourages illegal immigration, while softening some of the major adjustments required.
Many questions remain unanswered

Editorial, News, Letters and Science Briefs

Redefining goals and priorities
by Kenneth R. Farrell
Full text HTML  | PDF  

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