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Controlled Soil Cracking as a Possible Means of Moisture Conservation on Wheatlands of the Southwestern Great Plains¹

Synopsis: Discontinuities in moisture extraction leading to soil cracking in a predetermined pattern were caused by removal of a portion of the stand in a field of wheat. Depending on orientation, the average width of the cracks induced was 1% to 2 times that of naturally occurring cracks. Controlled soil cracking to increase crack size is suggested as an economically feasible method for increasing the depth and rate of penetration of rains on dry-farmed wheatland.

² Research Soil Scientist, USDA, Southern Plains Branch, Southwestern Great Plains Field Station, Bushland, Texas.

Received for publication October 16, 1961.