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
Calves born of cows supplemented with selenium had significantly higher weaning weights.
Improving almond crop forecasts
by Jeffrey Dorfman , Dale Heien
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
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
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
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
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
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
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
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
Relatively small, but potentially significant
Predicting cotton seedling emergence
by Thomas A. Kerby , Mark Keeley , Stephanie Johnson
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
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
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
Many questions remain unanswered
editorial, news, letters & science briefs
Redefining goals and priorities
by Kenneth R. Farrell