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24
Jul
2012
Corn and Grain Sorghum Research Verification Program Weekly Update – July 23, 2012
Author: Kevin Lawson, Program Associate - Corn & Grain Sorghum Verification

Corn – The fields in Lawrence/Randolph and Clay Counties are still being irrigated, but should be nearing black layer this week.  With temperatures going back up in the 100’s, we didn’t want to stop irrigation on those fields too soon.  Drew and Prairie Counties have both reached R6.

Grain Sorghum – After several rains in Desha County, the field there is finally mature enough to stop irrigation.  The bottoms of the heads are starting to turn color and the seed is hard.  The field in St Francis County is close to harvest moisture.  The areas of the field that have more sand are starting to lodge due to lack of moisture.  No charcoal rot could be found on those stems.

July 23, 2012 CGSRVP Weekly Update
Corn
CountyHybrid StageHeightGeneral Information
ArkansasTerral REV 28HR20R5.7134 inField received 1.40 inches of rain since July 11. Starch has moved 70% on July 17. Recommended to terminate irrigation.
ClayPioneer P2088HRR5.5125 inField was irrigated on July 13. Starch has moved 50% on July 19. Recommended irrigation on July 19.
DeshaDeKalb DKC 66-96R5.8110 inStarch has moved 80% on July 17. Field is drying down to harvest.
DrewDeKalb DKC 64-69R6110 inField is drying down for harvest.
Lawrence/
Randolph
Pioneer 2088HRR5.5117 inField received 0.25 inches of rain on July 15 and was irrigated on July 18. Starch has moved 50% on July 19. Recommended irrigation on July 25.
PoinsettArmor 1262DPROR5.8121 inStarch has moved 80% on July 18. Field is drying down to harvest.
PrairieDeKalb DKC 64-69R6109 inField is drying down to harvest.
Grain Sorghum
DeshaPioneer 84G62Hard Dough52 inField received 0.5 inches of rain since July 10. Recommended to terminate irrigation.
St. FrancisPioneer
83G66
Hard Dough54 inField is drying down to harvest.

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