 | Fertilizer industry United States Statistics. | (2) |
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 | Cooperative fertilizer marketing and manufacturing : 1949/50-1969/70, plant capacities in 1972 / by J. Warren Mather. Mather, J. Warren (James Warren), 1911- 1n Washington, D.C. Farmer Cooperative Service, U.S. Dept. of Agriculture | |
| Consumption of commercial fertilizers and primary plant nutrients in the United States, 1850-1964, and by States, 1945-64. Washington, D.C. : U.S. Dept. of Agriculture, Statistical Reporting Service, Crop Reporting Board, 1966. | |
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