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Fertilizer use and crop yields in the United States

Author(s):
National Soil and Fertilizer Research Committee.
Subject(s):
Fertilizers -- Statistics. , Crop yields. , Field crops -- United States -- Statistics.
Format:
iv, 75 p.
Coverage:
United States
Language:
English
Publisher:
U.S. Dept. of Agriculture
Series:
USDA agriculture handbooks
Part Of:
USDA agriculture handbooks
File:
Download [PDF]   
Rights:
This item is authored by federal employees as part of their official duties and are therefore non-copyrightable and/or published by the federal government and now in the public domain.