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Cotton Irrigation Management with LEPA Systems

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Transactions of the ASAE. 35(3): 879-884. (doi: 10.13031/2013.28673) @1992
Authors:   J. P. Bordovsky, W. M. Lyle, R. J. Lascano, D. R. Upchurch
Keywords:   Irrigation scheduling, Soil water use, LEPA

Irrigations were applied to short-season cotton at Halfway, Texas, using a LEPA irrigation system at intervals of 2, 4, 8, and 12 days in 1986 and at 3, 6, 9, and 18 days in 1987 and 1988. The four interval treatments were grouped for analysis and referred to as 3D, 5D, 9D, and 15D. Irrigation quantities at each interval were 0.4, 0.6, 0.8, and 1.0 times a base irrigation amount (BI) which equalled estimated cotton evapotranspiration (ET) less rainfall. The DRY treatments received preplant irrigations only.

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