All Issues
Volume 30, Number 12
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Cover:
Above left, adult female Cales noaki, an import from Chile, and, right, adult female Amitus spiniferus from Mexico, both effective parasites of wooly whitefly (below).
Cover:
An aerial photo taken in September (top) shows apparent uniform growth and color except for a few thin spots in the vineyard. A color infrared photo taken six months later (below) shows drying and defoliation of vines on shallow soil areas, but excessive foliag growth on deep soil areas.
Cover:
Exploration and establishrnent of electric power facilities such as this geothermal well may accelerate soil erosion.
Cover:
Grape harvester removing lemons from close-set trees near Santa Paula. Fruit is conveyed into cushioned bed of pickup truck.
December 1976
Volume 30, Number 12 News and opinion |
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University of California, 1301 S. 46th St., Bldg. 478 Richmond, CA
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