Sorghum midge with suggestions for control
Walter, E.V.
Sorghum midge with suggestions for control - Washington 1928 - 1-6::: p. - Suggestion United States Department of Agriculture, Farmers' Bulletin, No. 1566 .
Sorghum midge with suggestions for control - Washington 1928 - 1-6::: p. - Suggestion United States Department of Agriculture, Farmers' Bulletin, No. 1566 .