Vol. 9, Issue 1, 1955

Seventy per cent of all economic activity in Humboldt County now originates, directly or indirectly, in forest industries. These industries provide jobs for 8,726 people-almost twice as many jobs as...

Few California rice growers—if any, according to available data—could increase their net 1955 farm incomes over those anticipated from lower world prices, by accepting marketing quotas and acreage allotments.

A new soil test that tells how much phosphorus in the soil is available to crops—recently developed at the U.S.D.A. Western Regional Phosphate Laboratory—uses a sodium bicarbonate—baking soda—solution to extract...

An outbreak of the leaf curl plum aphid—Anuraphis helichrysi Ka1t.—occurred in 1953 in Placer County, where a considerable acreage of plums was severely attacked. The aphid—in California for many years...