Essential elements and soil amendments for plants : sources and use for agriculture /

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Bibliographic Details
Author / Creator:	Severson, R. C. (Ronald Charles), 1945-
Imprint:	[Washington, D.C.] : U.S. G.P.O. ; Denver, CO : Free on application to Books and Open-File Reports Section, U.S. Geological Survey, 1988.
Description:	iii, 48 pages ; 28 cm.
Language:	English
Series:	U.S. Geological Survey circular ; 1017 U.S. Geological Survey circular ; 1017.
Subject:	Crops and soils. Crops -- Nutrition. Soil chemistry. Geochemistry. Fertilizers. Soil amendments.
Format:	E-Resource U.S. Federal Government Document Book
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/7351465

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Other authors / contributors:	Shacklette, Hansford T. Geological Survey (U.S.)
Notes:	"Geologic and incidental sources of elements essential for plant growth, and amendments used to improve physical properties of soils." Includes bibliographical references (pages 41-42). Available via Internet from the USGS web site as a .DJVU file. Address as of 9/10/08: http://pubs.er.usgs.gov/usgspubs/cir/cir1017; current access available via PURL.
GPO item no.:	0620-A 0620-A (online)
Govt.docs classification:	I 19.4/2:1017

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