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22
Aug
2012
Cotton Research Verification Update
Author: Arkansas Row Crops


General Comments: All of the CRVP fields have now reached cut-out (NAWF-5) and are starting to accumulate heat units. All of the CRVP fields have reached the right amount of heat units for insecticide termination for plant bugs and boll/budworms (250 and 350 HU respectively). The Clay, Craighead, Lee, and St. Francis County fields have all reached the right amount of heat units to terminate irrigation (450 HU). The following lists the amount heat units that each field has accumulated (as of August 20th) as well as the date of cut-out.
Clay- Variety ST 5458 B2RF Cut-Out Date: July 23rd Heat Units: 634
Craighead-Variety AM 1511 B2RF Cut-Out Date: July 23rd Heat Units: 634
Jefferson-Variety ST 5458 B2RF Cut-Out Date: August 8th Heat Units: 285
Lee-Variety ST 5445 LLB2 Cut-Out Date: July 14th Heat Units: 864
Mississippi-Variety ST 5458 B2RF Cut-Out Date: July 31st Heat Units: 441
Phillips County-Variety ST 5458 B2RF Cut-Out Date: August 6th Heat Units: 308
St. Francis County-Variety DPL 0912 B2RF Cut-Out Date: July 10th Heat Units: 936


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