California Agriculture, March-April 1987

Volume 41, Number 3

peer-reviewed research articles

Responses to selenium in a ange beef herd
by Aaron O. Nelson , Robert f. Miller
pp4-5, doi#10.3733/ca.v041n03p4
Abstract
Calves born of cows supplemented with selenium had significantly higher weaning weights.
Expanded Abstract | PDF

Improving almond crop forecasts
by Jeffrey Dorfman , Dale Heien
pp6-8, doi#10.3733/ca.v041n03p6
Abstract
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.
Expanded Abstract | PDF

Araentine ant management in cherimoyas
by Phil A. Phillips , Ronald S. Bekey , George E. Goodall
pp8-9, doi#10.3733/ca.v041n03p8
Abstract
Spot application of insecticide kept Argentine ants from disrupting biological mealy bug control.
Expanded Abstract | PDF

Effects of changes in the water year on irrigation in the San Joaquin Valley
by Dennis Wichelns , Gerald L. Horner , Richard E. Howitt
pp10-11, doi#10.3733/ca.v041n03p10
Abstract
Changing starting date of water contract year to March 1 from January 1 could avoid ‘use it or lose it’ situations
Expanded Abstract | PDF

Usina concentrate postbloom NAA sprays to thin olives
by William H. Krueger , George C. Martin , Chic Nishijima , John E. Dibble
pp12, doi#10.3733/ca.v041n03p12
Abstract
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.
Expanded Abstract | PDF

The beet armyworm in floricultural crops
by Harvey A. Yoshida , Michael P. Parrella
pp13-15, doi#10.3733/ca.v041n03p13
Abstract
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.
Expanded Abstract | PDF

Using reclaimed municipal wastewater for irrigation
by Takashi Asano , G. Stuart Pettygrove
pp15-18, doi#10.3733/ca.v041n03p15
Abstract
The risks are proportional to the degree of human contact and the adequacy and reliability of treatment.
Expanded Abstract | PDF

Effect of hydrogen cyanamide on bud emergence in wine grapes
by John H. Foott
pp19, doi#10.3733/ca.v041n03p19
Abstract
Results in earlier, higher budburst in Chardonnay and Cabernet grapes.
Expanded Abstract | PDF

Optimal management of saline water tables in irrigated regions
by Timothy K. Gates , Mark E. Grismer
pp20-21, doi#10.3733/ca.v041n03p20
Abstract
A computer model incorporates uncertainties about water tables and aquifers into irrigation management.
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Assessment of lateral groundwater flows in the SJV
by Mark E. Grismer , R. Craig Woodring
pp22-23, doi#10.3733/ca.v041n03p22
Abstract
Relatively small, but potentially significant
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Predicting cotton seedling emergence
by Thomas A. Kerby , Mark Keeley , Stephanie Johnson
pp24-26, doi#10.3733/ca.v041n03p24
Abstract
Best stand establishment depends on both warm and cool germination rates of seed as well as temperatures during five days following planting.
Expanded Abstract | PDF

Buckskin disease of cherry
by Alexander H. Purcell , Jerry K. Uyernoto , Robert A. Van Steenwyk , Wallace R. Schreader , Karen Gonot Suslow , Bruce Kirkpatrick
pp26-27, doi#10.3733/ca.v041n03p26
Abstract
Control focuses on leafhoppers.
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A marketing research amroach for imtwovina Extension publications
by Gordon W. Frankie , James I. Grieshop , Carlton S. Koehler , J. Kenneth Grace , Kathleen A. Hesketh
pp28-29, doi#10.3733/ca.v041n03p28
Abstract
A two-way exchange of information between producer and ultimate users could lead to more effective publications.
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The impact of the new immigration reform act
by Howard R. Rosenberg , John W. Mamer
pp30-32, doi#10.3733/ca.v041n03p30
Abstract
Many questions remain unanswered
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editorial, news, letters & science briefs

EDITORIAL: Redefining goals and priorities
by Kenneth R. Farrell
pp2, doi#10.3733/ca.v041n03p2
PDF