Crop yield response to fertilizer in the United States
Ibach, D. B. 1900-
Crop yield response to fertilizer in the United States [by D. B. Ibach and J. R. Adams. - Washington] U.S. Dept. of Agriculture, Economic Research Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1968] - 295 p. map. 29 cm. - [United States. Dept. of Agriculture] Statistical bulletin no. 431 . - Statistical bulletin (United States. Department of Agriculture) ; no. 431. .
Cover title. Supersedes U.S. Agricultural Research Service. Farm Economics Research Division. Fertilizer used on crops and pasture in the United States; 1954 estimates, issued as U.S. Dept. of Agriculture, Statistical bulletin, no. 216.
Bibliography: p. 11.
agr68000235
Fertilizers--Statistics.--United States
Crop yields--Statistics.--United States
HD1751 / .A5 no. 431
1Ag84St no. 431
Crop yield response to fertilizer in the United States [by D. B. Ibach and J. R. Adams. - Washington] U.S. Dept. of Agriculture, Economic Research Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1968] - 295 p. map. 29 cm. - [United States. Dept. of Agriculture] Statistical bulletin no. 431 . - Statistical bulletin (United States. Department of Agriculture) ; no. 431. .
Cover title. Supersedes U.S. Agricultural Research Service. Farm Economics Research Division. Fertilizer used on crops and pasture in the United States; 1954 estimates, issued as U.S. Dept. of Agriculture, Statistical bulletin, no. 216.
Bibliography: p. 11.
agr68000235
Fertilizers--Statistics.--United States
Crop yields--Statistics.--United States
HD1751 / .A5 no. 431
1Ag84St no. 431