1-3 of 3 Books
The economic consequences of irrigating corn on fine textured soils in the humid Midwest
The economic consequences of irrigating corn on fine textured soils in the humid Midwest
By R. L. Clouser

Midwest Claypan Soil Conservation Experiment Farm, McCredie, Missouri
By United States. Soil Conservation Service.
Soil and water research on a claypan soil
Soil and water research on a claypan soil
By V. C. Jamison