Costs and utilization of corn in seven iowa counties
Thomas, H.L., Hopkins, John A.
Costs and utilization of corn in seven iowa counties - Iowa 1932 - 32 p. - Costs, Utilization, Corn Iowa Agricultural Experiment Station. Bulletin No. 289 .
547
Costs and utilization of corn in seven iowa counties - Iowa 1932 - 32 p. - Costs, Utilization, Corn Iowa Agricultural Experiment Station. Bulletin No. 289 .
547