Control of field crop insects
Spackman, Everett, Burkhardt, C.C.
Control of field crop insects - Laramie 1974 - 1-28 p. - Field, Crop, Insects Wyoming Agricultural Experiment Station. Bulletin No. 543R .
632.7:633
Control of field crop insects - Laramie 1974 - 1-28 p. - Field, Crop, Insects Wyoming Agricultural Experiment Station. Bulletin No. 543R .
632.7:633