Crop yields from Illinois soil experiment fields in 1926
Bauer, F.C.
Crop yields from Illinois soil experiment fields in 1926 - Illinois 1927 - 19-40 p. - Crop, Soil Illinois Agricultural Experiment Station. Bulletin No. 296 .
Crop yields from Illinois soil experiment fields in 1926 - Illinois 1927 - 19-40 p. - Crop, Soil Illinois Agricultural Experiment Station. Bulletin No. 296 .