Vol. 47, Issue 3, 1993

Editorial

UC research and education: engines of economic growth

K Farrell

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Research Article

California’s rice crop: market challenges, resource constraints

E Learn

California’s rice industry faces numerous challenges as it strives to meet competitive pressures in the coming decade. In addition to traditional demand considerations—population and income growth, and changing consumer tastes—competitiveness...

Research Article
Native Americans in California surveyed on diets, nutrition needs
J IkedaS DuganN FeldmanR Mitchell
Investigation of the diets of Native Americans in California’s Yosemite-Mariposa region identified eating habits that contributed to their well-being as well as habits that were potentially detrimental. The main problem:...
Research Article
Sycamore scale treatments most effective at bud break
P SvihraC FoucheC Koehler
Bud break, not a calendar date, is the best time to protect sycamore trees against the sycamore scale, Stomacoccus platani, with insecticidal sprays. It is at bud break that the...
Research Article
Codling moth, navel orangeworm studies show knowing location of pests in walnuts should help disrupt mating, egg laying
G SibbettD FlahertyK KelleyR RiceJ Dibble
In flight, codling moths prefer upper tree strata, whereas navel orangeworm oviposition is more evenly distributed throughout the tree. Pest monitoring and pheromone placement for mating disruption should recognize the...
Research Article
In outdoor planters in commercial centers… Insect-parasitic nematodes are effective against black vine weevil
T BurlandoH KayaP Timper
Insect-parasitic nematodes suppressed black vine weevil larvae in planters containing ivy vines at a commercial building. After 1 year, weevil numbers were lower in containers treated with nematodes either with...

Research Article

Uniformity in pressurized irrigation systems depends on design, installation

G LittleD HillsB Hanson

Of 258 irrigation systems evaluated by mobile field laboratories in five Southern California resource conservation districts, average uniformity in distribution of water was relatively low. Generally, farms larger than 100...

Research Article

Crop response to sewage sludge compost: a preliminary report

R BevacquaV Mellano

Municipal sewage sludge, amended with Eucalyptus tree trimmings and composted, is being evaluated in San Diego as a soil amendment for field and greenhouse plantings of onion, snapdragon, turf and...

Research Article

Cupric-oxide needles effective as oral copper supplement in cattle

J DunbarJ MorrisB NormanA JenkinsC WilsonJ Connor

Increasing copper levels in 120 growing beef heifers, ages 6 to 9 months, was attempted with copper injections and with oral administration of cupric-oxide needles. The weaned Hereford heifers were...

Research Article
Almond hulls in swine diet reduce body fat
J HomedesE RouraN KeimD Brown
Nine Duroc and thirteen crossbred (Hampshire x Yorkshire) growingfinishing barrows were fed two different diets: a typical corn/soybean basal diet and a diet consisting 85% of the basal diet plus...
Research Article
From dried beet pulp to rice hulls: Rumen digestion of various dairy feedstuffs compared in tests
T ShultzC CollarD BathA Ahmadi
From California’s agricultural and livestock industries come a wide variety of possible ingredients for dairy feeding. Relatively limited information exists on the rumen’s degradation of these feeds. In tests, disappearance...

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