Ground-water overdraft: Balance between recharge andraft on ground-water required to correct overdraft in Antelope Valley

Also in this issue:

California insects: Survey provides accurate data for study of state's insect problems

Alfalfa and water table levels: Studies on effect of alfalfa on water table indicate need for close control of irrigation

Leafy seviiiano olive cuttings: Rooting readily obtained under mist humidification produced satisfactory trees in experiment at Davis

Rooting paradox walnut hybrids: Promising method for vegetative reproduction of walnut hybrids developed by trench layering

Aphid resistant to parathion: Strain of walnut aphid in Sun Jose area found to have developed definite resistance to parathion

Verticillium in chrysanthemum: Costly disease controlled by practice of culture-indexing and soil fumigation with chloropicrin

Field corn mechanization tests: Low moisture corn harvested with high efficiency in Antelope Valley tests with mechanical pickers

Fluoride lniury to citrus: Effect of air pollutant investigated to learn extent of contamination by component of smog

Lindane repellent to pheasants: Seed grain treated with high levels of Iindane apparently avoided in favor of untreated grain

Earth materials: Growth trials show no benefit to chicks on practical starting ration

Infectious bronchitis: Vaccines released for growing birds not yet tested for laying hens

Safflower meal digestion tests: Lambs used in digestion trials with decorticated seed meal to test product as feed for livestock

Principles governing the reclamation of alkali soils