The final planting date for 2012 irrigated cotton in Jackson and Tillman counties, Oklahoma, has been changed to June 10. The final planting date for 2012 for non-irrigated cotton will remain June 20.
This information is contained in Manager's Bulletin, MGR-12-002, according to USDA Risk Management Agency Administrator William J. Murphy.
The final planting date for irrigated cotton for the 2012 crop year was changed to provide consistency between the irrigated and non-irrigated final planting date. However, after the publication of the actuarial documents for these counties, questions were raised as to whether this change was made in error.
After reviewing letters from Oklahoma State University, Department of Agronomy, Cooperative Extension Service and discussions with the Oklahoma Cooperative Extension Service, it was confirmed irrigated cotton in four southwestern counties is primarily planted using longer season varieties that are less determinate than the shorter season, more determinate cotton varieties planted on non-irrigated acreage. Research trials demonstrate significant yield loss can occur when irrigated cotton acreage in these counties is planted after June 10. Therefore, the final planting date for irrigated cotton is appropriately established as June 10, and should not have been changed for the 2012 crop year.
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