PROFITABILITY OF IRRIGATED COTTON-GRAIN SORGHUM ROTATIONSIN THE SOUTHERN HIGH PLAINS OF TEXAS

摘要

The Standardized Performance Analysis (SPA) method was used to evaluate the profitability of grain sorghum production inthe High Plains and Coastal Bend regions of Texas. Grain sorghum was shown to be profitable in the Coastal Bend region fordryland operations under crop share rental agreements in 1999 and 2000. Results for grain sorghum as primary and replacementcrops indicated profitability concerns in both the Northern and Southern High Plains. Analysis of cotton yields in a cotton-grain sorghum rotation in the High Plains region indicated an increase of 170 and 142 lbs. per acre following grain sorghumone and two years, respectively. These rotational effects on cotton yields proved to have a significant impact onincreased cotton profits and provided evidence for the profitability potential of utilizing grain sorghum in cotton rotations.