Farmer's use of pesticides in 1971 ... expenditures
Blake, Helen T.
Farmer's use of pesticides in 1971 ... expenditures - Washington U. S. D. A. 1975 - 27cm. 42 - U.S. Department of Agriculture, agricultural economic .. 296 .
PESTICIDES -- STATISTICS
PESTICIDES -- STATISTICS
632.95 B60F
Farmer's use of pesticides in 1971 ... expenditures - Washington U. S. D. A. 1975 - 27cm. 42 - U.S. Department of Agriculture, agricultural economic .. 296 .
PESTICIDES -- STATISTICS
PESTICIDES -- STATISTICS
632.95 B60F