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Windblown Soil Abrasive Injury to Cotton Plants¹

An experiment was established to study the resistance of an upland variety of cotton to soil abrasion and the recovery characteristics of damaged plants. An increase in the amount of soil striking a young cotton plant decreased the plant growth rate and yield, delayed first bloom, and increased the number of plants lost. A soil loss of less than 3.8 kg/ha (1.7 tons/acre) on 1- to 3-weekold cotton plants did not decrease yields.

Key Words: abrasive injury • cotton • wind erosion

² Research Soil Scientist, USDA, Manhattan, Kan. 66502 (formerly at US Big Spring Field Station, Big Spring, Texas).

Received for publication April 8, 1968.