Variability of wheat yields in the Great Plains
Larson, Donald Keith, 1932-
Variability of wheat yields in the Great Plains [by Donald K. Larson and Layton S. Thompson. - Washington, 1966] - 38 p. illus. 26 cm. - United States. Dept. of Agriculture. Economic Research Service. ERS 287 . - United States. Department of Agriculture. Economic Research Service. ERS 287. .
agr66000211
Wheat--Great Plains.
Wheat yields.
Wheat--Great Plains.
A281.9 Ag83E no. 287
Variability of wheat yields in the Great Plains [by Donald K. Larson and Layton S. Thompson. - Washington, 1966] - 38 p. illus. 26 cm. - United States. Dept. of Agriculture. Economic Research Service. ERS 287 . - United States. Department of Agriculture. Economic Research Service. ERS 287. .
agr66000211
Wheat--Great Plains.
Wheat yields.
Wheat--Great Plains.
A281.9 Ag83E no. 287