Mini-streams aid pollution studies at U.C. Davis

Also in this issue:

— a prescription for pest control

California agriculture

Water stress during flowering of cotton

Corporate farming in California

Ethrel speeds growth and maturity of figs

Foliar sprays for correcting zinc deficiencies in walnuts

Insects in cotton as affected by irrigation and fertilization practices

Sweet cherry pollination for Early Burlat and Moreau

Reclamation of an alkali soil of the Hacienda series