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17
May
2015
Arkansas Corn and Grain Sorghum Weekly Update – May 15, 2015
Author: Kevin Lawson, Program Associate - Corn & Grain Sorghum Verification

Corn and Grain Sorghum Update – Dr. Jason Kelley (Wheat and Feed Grains Specialist) 

Corn planting is essentially complete at this point.   The Arkansas Agriculture Statistics Service May 10th  crop progress report indicated that 96% of the corn had been planted, compared to 93% last year and 95% planted for the 5-year average.  Most herbicides and sidedress nitrogen fertilizer has been applied in south Arkansas, but areas further north have been slowed by weather delays.  Corn that has been sidedressed with nitrogen is now rapidly growing.  All areas received rainfall over this past week (some too much) which was helpful to activate fertilizer and herbicide applications.  Last week many were contemplating starting irrigation wells, but with the rain, irrigation initiation won’t start for at least another week.

Grain sorghum planting is estimated to be 80% complete compared to 69% last year and 78% for the 5-year average.  Most early planted grain sorghum is at the V5-V8 stage and will need the final herbicide and nitrogen applications soon if they have not already been applied.  There is still a fair amount of grain sorghum to be planted in some areas.  Grain sorghum plantings have been spread out this year with many acres planted the first week of April and first week in May.  Overall grain sorghum is looking much better this week.

Corn and Grain Sorghum Research Verification – Kevin Lawson (Corn & GS Verification Coordinator)

The corn in the verification fields looked a little better this week.  The fields that were fertilized last week have taken up the nitrogen and are looking good.  The later planted fields have emerged and are really growing well.  Except for the Lincoln County field, the later planted fields look the best.  Weed control seems to be working well.

The Prairie County grain sorghum field still hasn’t been planted.  The Jefferson County grain sorghum field has emerged but there are still a few spiking, so we waited on stand counts until next week.

May 15 corn update 1

May 15 gs update

Southeast Arkansas Update – Wes Kirkpatrick (Desha County)

The corn is starting to pick up the nitrogen that was applied ahead of the rain and is growing at a rapid pace.  Grain sorghum is starting to look better also.  Herbicide has been applied on most acres, with some having to be applied by air.

Central Arkansas Update – Anthony Whittington (Jefferson County)

With 2.7″ of rain this past week any ground activity has been halted. I would imagine any corn ground not planted will be switched over to soybeans. The corn looks good for the most part in the county from V6 down to emergence. Grain sorghum planting was wrapping up before this rain hit.

Northeast Arkansas Update – Stewart Runsick (Clay County)

Corn and Grain Sorghum fields are looking much better now following some warmer temperatures and much needed rainfall. Most areas of the county received from 2-3 inches of rainfall over the past weekend. Corn is from 2-6 leaf stage, depending on when it was planted. Some of the corn acres have been laid by, most is now ready for herbicide and nitrogen applications. More rainfall is predicted for the next few days. It may be next week before applications can be made.

River Valley Update – Kevin VanPelt (Conway County)

Many producers lost several hundred acres of corn in the River Valley earlier this week due to flooding and there is more rain forecast for this coming week.  The corn has not made much progress this week with the cold, wet, cloudy conditions.

Heat Units

Heat units were similar to the 30 year average this week.  The cooler days May 12 and 13 really brought down this week’s heat units.

May 15 gdd

Twitter – Jason Kelley @AR_Feedgrains, Kevin Lawson @ar_cornverify

Cooperative Extension Service – www.uaex.edu

Arkansas Row Crops Blog – www.arkansascrops.com

 


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