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03
Oct
2014
Arkansas Corn and Grain Sorghum Weekly Update – October 3, 2014
Author: Kevin Lawson, Program Associate - Corn & Grain Sorghum Verification

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

The Mississippi County corn verification field was planted to Pioneer P2089 and was harvested on September 17. The field averaged 209 bushels per acre adjusted to 15.5% moisture (with approximately 25% greensnap).  The Clay County corn verification field was harvested on September 28.  The field averaged 228 bushels per acre adjusted to 15.5%.  Next week will be the final update and I will have final yields on all the fields.

Approximately 90% of the corn in the state has been harvested at this point compared to the five year average of 89%. Approximately 84% of the grain sorghum has been harvested compared to the five year average of 80%.

 

Average CRVP Growth and Development vs. 2014 CRVP.

 Corn Stages

5 Year Avg CRVP Days to Stages 2014 Avg CRVP Days to Stages 5 Year Avg CRVP Height (in) 2014 Avg CRVP Height (in) Avg CRVP Heat Units (2012 – 2013)

Avg CRVP Heat Units 2014

Planting

0

0 0 0

VE

10

10 0 0 145

150

V2

18

17 3 2 251

266

V4 28 26 6 5 425

463

V6 37 36 12 12 612

633

V8

45 43 22 19 791 798
V10 51 48 36 34 922

938

V12

56 53 52 49 1036 1078
V14 61 58 67 61 1155

1197

V16

65 63 82 73 1256 1308
R1 72 70 106 102 1452

1519

R2

78 76 115 112 1615 1683
R3 84 82 115 112 1811

1842

R4

91 89 115 112 2005 2020
R5 98 96 115 112 2199

2199

R6

122 121 115 112 2919 2866
Harvest 145 153 115 112

 

Central Arkansas Update – Brent Griffin (Prairie County) 

We are currently wrapping up harvest. The corn fields where the moisture would not drop finally dropped out this week. Only a few acres left of either corn or milo. The late milo got hammered from white sugarcane aphids.

Northeast Arkansas Update – Herb Ginn (Lawrence County) & Branon Thiesse (Craighead County)

Craighead County – corn harvest is about 98% complete. We harvested our standardized corn variety plots and the yields ranged from 180 to 240 bushels per acre. Grain sorghum harvest picked up steam with about 75% of the crop harvested. Producers are moving at break neck speed to get as much of the crop out before a strong cold front moves through Thursday night.

Lawrence County – Harvest has made great progress this week because of the favorable conditions. Approximately 90% of our corn is harvested, but milo harvest still lags behind with about 70% harvested. 

River Valley Update – Kevin VanPelt (Conway County) & Hank Chaney (Faulkner County) 

Corn harvest is done. There is a very late field of grain sorghum in Faulkner County still to be harvested and did find the white sugarcane aphid in it, so we are monitoring it closely to be sure they don’t get out of hand.   Grain sorghum yields were better than expected considering the majority is grown dryland. Yield was in the 90-110 bushel per acre range.  Transform did an excellent job controlling white sugarcane aphids.  Be interesting to see how they overwinter in Arkansas.

Follow me on Twitter – Kevin Lawson @ar_cornverify


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