The natural reserve system: The university's uncut diamond

Also in this issue:

The Africanized honey bee: Ahead of schedule

Cotton and California temperatures

Yellow starthistle infestations are on the increase

Rhizoctonia stem canker on beans

The fragmented California farm labor market

Weed management on specialty farms

Improving honey bee pollination efficiency in almonds

Biological control of two avocado pests

Weed control under drip and low-volume sprinkler irrigation

Yellow and green foxtail control in alfalfa

Feeding affects post-milking cow activities

1985 annual index

Relationships between boron toxicity and resistance to two types of crown blight and to powdery mildew in muskmelon