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The coyote, Canis latrans, originally found only in the western United States, has followed man and his live-stock south to Costa Rica, east to the Atlantic, and north into Alaska. It is the principal predator of sheep in California. (Cover photo by Barbara Butler)

In a 4-H pilot study, in-service training by newsletter increased nutrition knowledge and teaching.

A computer predictive model of flower development might harmonize the needs of beekeepers and citrus pest control managers.

Since high soil temperatures favor the fungus Macrophomina phaseolina, caution is recommended before planting chickpeas in the Central Valley.

Efforts to rid California rice fields of this pest have resulted in classic problems.

At levels of up to 15 percent of the diet, hulls provided enough energy to maintain maximum growth.

Three fungicides tested controlled powdery mildew on begonia plants for extended periods.

Pruning late (March) instead of early (December) delayed shoot and grape development, but it might still be preferable if it reduced Eutypa dieback.

When dairy cow rations include alfalfa hay, there's little need to add sodium bicarbonate.

In California's Central Valley, where most processing tomatoes are grown, ozone caused slight damage in one year, none in the next.

Growers bear the brunt, but consumers are also affected through changes in prices.