Calag Archive
Calag Archive
Nutrient deficiencies in soils: Nitrogen and phosphorus found to be deficient in samples of soils representing many parts of the state
Publication Information
California Agriculture 4(1):7-16.
Published January 01, 1950
PDF | Citation | Permissions
Abstract
Between 50% and 70% of the soils in the major farming sections of California—from Siskiyou County in the north to Imperial County in the south—are deficient in available nitrogen.