Tuesday, November 6, 2007 - 11:45 AM
137-9

Preliminary Crop Coefficients for Cotton in Northeast Louisiana.

Sean Hribal, Geography, Louisiana State University, P.O. Box 438, Saint Joseph, LA 71366 and Ernest L. Clawson, Northeast Research Station, LSU AgCenter, Po Box 438, Saint Joseph, LA 71366-0438.

Cotton is increasingly produced under irrigation in Northeast Louisiana. Little information is available pertaining to water used by cotton under the local environment and production practices. Paired weighing lysimeters were installed in Saint Joseph, LA in 2005. Data from 2007 were used to derive a preliminary set of crop coefficients relating crop to reference evapotranspiration.

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