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Author: Spillman, W. J.
Title: Use of the Exponential Yield Curve in Fertilizer Experiments.
Publication info: Beltsville, MD: U.S. Department of Agriculture, National Agricultural Library, Alternative Farming Systems Information Center
2004
Rights/Permissions: Works produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S.
Print source: Use of the Exponential Yield Curve in Fertilizer Experiments.
Spillman, W. J.

Washington DC: : United States Department of Agriculture, April 1933
Subject terms:
Fertilizers Mathematical models
J500 Soil Fertility, Fertilzers, and Manures
X100 Mathematics and Statistics
soil science
soil quality
soil analysis
precision agriculture
fertilizers
plant growth
crop yields
nutrient availability
input costs
mathematics and statistics
North America
USA
URL: http://name.umdl.umich.edu/17038117.0348.001

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