Nutrient deficiencies in soils: Nitrogen and phosphorus found to be deficient in samples of soils representing many parts of the state

Jenny, H; Vlamis, J; Martin, W

Nutrient deficiencies in soils: Nitrogen and phosphorus found to be deficient in samples of soils representing many parts of the state

Authors

H. Jenny
J. Vlamis
W. E. Martin

Authors Affiliations

H. Jenny is Professor of Soil Chemistry and Morphology and Soil Chemist and Morphologist in the Experiment Station, Berkeley; J. Vlamis is Assistant Soil Chemist, Division of Soils, Berkeley; W. E. Martin is Associate Agriculturalist in Soils, Agricultural Extension Service, Berkeley.

Publication Information

Hilgardia 4(1):7-16. DOI:10.3733/ca.v004n01p7. January 1950.

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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.

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