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30
May
2012
Corn and Grain Sorghum Research Verification Program Weekly Update – May 28, 2012
Author: Kevin Lawson, Program Associate - Corn & Grain Sorghum Verification

Corn – Desha, Poinsett and Prairie Counties applied pre-tassel urea followed by irrigations this week.  Arkansas, Drew and Lawrence/Randolph Counties will apply urea before the next irrigation.  The Clay County field had all the recommended units of N applied at sidedress.  Water use is going up in all the fields as they move towards tassel and the reproductive stages.  The fields that are further along are using about 0.30 inches of water a day.  Irrigations are starting to get closer together.  All the fields this year are furrow irrigated.  Common rust can be found in several of the fields down south.  Scouting for southern rust continues, but none has been found.

Grain Sorghum – The Desha County field has recovered from earlier gramoxone drift and will receive the second irrigation.  The St. Francis County field is non-irrigated and really needs a rain.  The field is still holding, but the edges and a few places in the field are showing some drought stress.

May 28, 2012 CGSRVP Weekly Update
Corn
CountyHybrid StageHeightGeneral Information
ArkansasTerral REV 28HR20V1367 inField was irrigated on May 17. Recommended applying 100 lbs of urea (46 units N) followed by irrigation on May 24.
ClayPioneer P2088HRV1034 inField was irrigated on May 18. Recommended irrigation on May 25.
DeshaDeKalb DKC 66-96V1572 inApplied 100 lbs urea (46 units N) on May 19. Irrigated on May 21. Recommended irrigation on May 27.
DrewDeKalb DKC 64-69V1360 inField was irrigated on May 22. Recommended applying 100 lbs of urea (46 units N) followed by irrigation on May 28.
Lawrence/
Randolph
Pioneer 2088HRV1032 inField was irrigated on May 17 and May 24. Recommended applying 100 lbs of urea (46 units N) followed by irrigation on May 31.
PoinsettArmor 1262DPROV1363 inApplied 100 lbs of urea (46 units N) followed by irrigation on May 22. Recommended irrigation on May 29.
PrairieDeKalb DKC 64-69V1462 inApplied 100 lbs of urea (46 units N) followed by irrigation on May 20. Recommended irrigation on May 27.
Grain Sorghum
DeshaPioneer 84G62V1120 inRecommended irrigation on May 23.
St FrancisPioneer
83G66
V1121 inField is non-irrigated and needs a rain soon.

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