Soil profiles identify series: Basic soil surveys establish classifying characteristics and indicate selection of most efficient agricultural use

Brown, L

Soil profiles identify series: Basic soil surveys establish classifying characteristics and indicate selection of most efficient agricultural use

Author

Lloyd N. Brown

Author Affiliations

Lloyd N. Brown is Extension Soils Specialist, University of California, Berkeley.

Publication Information

Hilgardia 11(3):11-12. DOI:10.3733/ca.v011n03p11. March 1957.

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Abstract

Differences in the surface 6' of soil—in structure, color, texture, reaction, content of salts or humus, mineralogical composition—usually have agricultural significance and separate soils into different series or identifying units of classification. Nearly 500 soil series have been identified in California.

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Use of marketing contracts: Farmer cooperatives in California usually require contracts with members to effectively integrate marketing operations

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New carnation pests: Bud mite and leaf miner found in California may cause serious problems

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New Satsuma mandarin strains: Fruit of nucellar lines of mandarin-orange color earlier and have higher per cent of soluble solids than the parent line

The biology of the garden centipede, Scutigerella immaculata