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Use of the exponential yield curve in fertilizer experiments


Author:
Spillman, W. J.
Source:
Technical bulletin (United States. Dept. of Agriculture) ; no. 348 1933
Year:
1933
Subject:
Fertilizers -- Mathematical models
Format:
67 p. : ill. ; 23 cm.
Publisher:
U.S. Dept. of Agriculture
Collection:
Organic Roots Collection