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Feasibility of Wheat/Cotton Interseeding in Southwest Georgia

Mark Masters, Robert A. Brooks, E. Harold Wilson, Michael J. Bader, Forrest Connelly and Ken Komar


ABSTRACT

The concept of interseeding cotton into standing wheat has been deemed successful from studies conducted at Clemson University in South Carolina. Field demonstrations were conducted to demonstrate interseeding cropping systems to producers in Terrell County. Standard production equipment was modified to allow producers to use existing equipment to obtain interseeding production data for Georgia to determine the feasibility of interseeding. In 2000, cotton that was interseeded into wheat yielded 1046 pounds of lint per acre. The conventional cotton yielded 1111 pounds of lint per acre. Interseeding cotton yields were lower than conventional cotton by 65 pounds of lint. The lower yields may have been influenced by a reduced stand in the interseeded cotton plots. This was attributed to a poor seed to soil contact. The lower yield was offset by a wheat yield of 53 bushels per acre. In 2001, interseeding yields were lower than strip-till yields by 100 pounds of lint per acre. The yield reduction was offset by a wheat yield of 62 bushels per acre. Interseeding may fit into management systems that allow time for fall tillage and planting of wheat in rows. The benefits of controlled traffic are a plus in the interseeding system.





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Document last modified May 20, 2002