Essential elements and soil amendments for plants
Subtitle: sources and use for agriculture
By: R.C. Severson and Hansford T. Shacklette.
Contributors: Shacklette, Hansford T.
Series: U.S. Geological Survey circular -- 1017
Publisher: U.S. G.P.O
Published: 1988
Place of publication: Washington, DC
Language: eng
Number of pages: 48
Subjects: Crops and soils.; Crops -- Nutrition.; Soil chemistry.; Geochemistry.; Fertilizers.; Soil amendments.
Notes: "Geologic and incidental sources of elements essential for plant growth, and amendments used to improve physical properties of soils."

 88600362  t_oclc

Bibliogr.

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