California Agriculture
California Agriculture
California Agriculture
University of California
California Agriculture

Archive

January-February 1986
Volume 40, Number 1

Peer-reviewed research and review articles

Farm investment response to changing income tax laws
by Sermin D. Hardesty, Hoy F. Carman
| Full text HTML  | PDF  
Total package has to be consideredTax law changes could have a striking and unexpected effect on California farms.
Interaction of cattle and deer on mountain rangeland
by Eric R. Loft, John W. Menke, John G. Kie
| Full text HTML  | PDF  
Moderate grazing by cattle on summer ranges minimizes effects on deer habitatEven though cattle and deer use the same areas in summer grazing, moderate stocking minimizes effects on deer.
Biological control of leafminers in greenhouse chrysanthemums
by Vincent P. Jones, Michael P. Parrella, Donald R. Hodel
| Full text HTML  | PDF  
A parasitic wasp controlled L. trifolii, reducing need for insecticidesLeafminers have become the most serious pest of greenhouse chrysanthemums — one of California's major cut-flower crops. Biological control alone is generally considered impractical, but it can augment present chemical control strategies against this pest. (Cover photo by Jack Kelly Clark)
Using nematode count data in crop management decisions
by Howard Ferris, Dan A. Ball, Lance W. Beem, Leann A. Gudmundson
| Full text HTML  | PDF  
Nematode density and expected crop damage should be the basis for rational control decisionsModels using nematode counts provide a rational basis for evaluating options.
Cover crops affect insect and spider populations in apple orchards
by Miguel A. Altierr, Linda L. Schmidt
| Full text HTML  | PDF  
Manipulation of cover crops may improve biological control of some pestsOrchards with cover crops generally had fewer pests and more predators than did “clean” orchards.
Revegetation of serpentine soils: Difficult but not impossible
by Richard F. Smith, Burgess L. Kay
| Full text HTML  | PDF  
Combining fast-growing, fertilized annuals and a slower growing perennial could give long-term erosion control.
Optimal irrigation management under poor drainage and saline conditions
by J. Letey, Ariel Dinar, Keith C. Knapp
| Full text HTML  | PDF  
Decision-making is more demanding than for land free from these problemsA computer model suggests profitable choices in problem conditions.
Additives don't improve zinc uptake in grapevines
by Peter Christensen
| Full text HTML  | PDF  
Growers can choose zinc compounds on the basis of cost aloneIncluding additives in zinc foliar sprays is not beneficial and only adds to treatment cost.
Improved now egg traps
by Robert A. Van Steenwyk, William W. Barnett, Walter J. Bentley, Joseph H. Connell, Donald Rough
| Full text HTML  | PDF  
Spraying traps black increases egg laying by navel orangeworm mothsModifying color and bait increased effectiveness of navel orangeworm egg traps.
Selective black nightshade control in tomatoes
by Arthur H. Lange, Jack P. Orr, Robert J. Mullen, Eugene M. Miyao, Lawrence D. Clement, W. Dana Edson
| Full text HTML  | PDF  
Success depends on giving tomatoes a head startAn herbicide originally developed for soybeans selectively controlled nightshade in tomato field trials.
The economics of integrated mite management in almonds
by J. C. Headley, Marjorie A. Hoy
| Full text HTML  | PDF  
Five years of tests prove effectiveness and benefits of UC programFive years of tests in commercial almond orchards have demonstrated that IMM works, and saves money.
‘Melogold’, a new pummelo-grapefruit hybrid
by Robert K. Soost, James W. Cameron
| Full text HTML  | PDF  
A second pummelo-grapefruit hybrid, suitable for inland areas, has been released by the University.

Editorial, News, Letters and Science Briefs

Productivity and production
by Lowell N. Lewis
Full text HTML  | PDF  
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January-February 1986
Volume 40, Number 1

Peer-reviewed research and review articles

Farm investment response to changing income tax laws
by Sermin D. Hardesty, Hoy F. Carman
| Full text HTML  | PDF  
Total package has to be consideredTax law changes could have a striking and unexpected effect on California farms.
Interaction of cattle and deer on mountain rangeland
by Eric R. Loft, John W. Menke, John G. Kie
| Full text HTML  | PDF  
Moderate grazing by cattle on summer ranges minimizes effects on deer habitatEven though cattle and deer use the same areas in summer grazing, moderate stocking minimizes effects on deer.
Biological control of leafminers in greenhouse chrysanthemums
by Vincent P. Jones, Michael P. Parrella, Donald R. Hodel
| Full text HTML  | PDF  
A parasitic wasp controlled L. trifolii, reducing need for insecticidesLeafminers have become the most serious pest of greenhouse chrysanthemums — one of California's major cut-flower crops. Biological control alone is generally considered impractical, but it can augment present chemical control strategies against this pest. (Cover photo by Jack Kelly Clark)
Using nematode count data in crop management decisions
by Howard Ferris, Dan A. Ball, Lance W. Beem, Leann A. Gudmundson
| Full text HTML  | PDF  
Nematode density and expected crop damage should be the basis for rational control decisionsModels using nematode counts provide a rational basis for evaluating options.
Cover crops affect insect and spider populations in apple orchards
by Miguel A. Altierr, Linda L. Schmidt
| Full text HTML  | PDF  
Manipulation of cover crops may improve biological control of some pestsOrchards with cover crops generally had fewer pests and more predators than did “clean” orchards.
Revegetation of serpentine soils: Difficult but not impossible
by Richard F. Smith, Burgess L. Kay
| Full text HTML  | PDF  
Combining fast-growing, fertilized annuals and a slower growing perennial could give long-term erosion control.
Optimal irrigation management under poor drainage and saline conditions
by J. Letey, Ariel Dinar, Keith C. Knapp
| Full text HTML  | PDF  
Decision-making is more demanding than for land free from these problemsA computer model suggests profitable choices in problem conditions.
Additives don't improve zinc uptake in grapevines
by Peter Christensen
| Full text HTML  | PDF  
Growers can choose zinc compounds on the basis of cost aloneIncluding additives in zinc foliar sprays is not beneficial and only adds to treatment cost.
Improved now egg traps
by Robert A. Van Steenwyk, William W. Barnett, Walter J. Bentley, Joseph H. Connell, Donald Rough
| Full text HTML  | PDF  
Spraying traps black increases egg laying by navel orangeworm mothsModifying color and bait increased effectiveness of navel orangeworm egg traps.
Selective black nightshade control in tomatoes
by Arthur H. Lange, Jack P. Orr, Robert J. Mullen, Eugene M. Miyao, Lawrence D. Clement, W. Dana Edson
| Full text HTML  | PDF  
Success depends on giving tomatoes a head startAn herbicide originally developed for soybeans selectively controlled nightshade in tomato field trials.
The economics of integrated mite management in almonds
by J. C. Headley, Marjorie A. Hoy
| Full text HTML  | PDF  
Five years of tests prove effectiveness and benefits of UC programFive years of tests in commercial almond orchards have demonstrated that IMM works, and saves money.
‘Melogold’, a new pummelo-grapefruit hybrid
by Robert K. Soost, James W. Cameron
| Full text HTML  | PDF  
A second pummelo-grapefruit hybrid, suitable for inland areas, has been released by the University.

Editorial, News, Letters and Science Briefs

Productivity and production
by Lowell N. Lewis
Full text HTML  | PDF  

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