Fertilizer use and crop yields in the United States / the Fertilizer Work Group, National Soil and fertilizer Research Committee, in cooperation with the Soil and Water Conservation Research Branch and the Production Economics Research Branch, Agricultural Research Service.
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| Language: | English |
| Published: |
Washington, D.C. :
U.S. Department of Agriculture,
1954.
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| Series: | Agriculture handbook (United States. Department of Agriculture) ;
no. 68. |
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| Physical Description: | iv, 75 pages : illustrations ; 26 cm. |
| Format: | Government Document Book |