Effect of contour cultivation on crop yield, runoff, and erosion losses.
APA Citation
Stallings, J. Henry. (1945). Effect of contour cultivation on crop yield, runoff, and erosion losses. Washington: Soil Conservation Service.
MLA Citation
Stallings, James Henry, 1892-. Effect of Contour Cultivation On Crop Yield, Runoff, And Erosion Losses. Washington: Soil Conservation Service, 1945.
Warning: These citations may not always be complete (especially for serials).