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18
Apr
2014
Arkansas Corn and Grain Sorghum Weekly Update – April 18, 2014
Author: Kevin Lawson, Program Associate - Corn & Grain Sorghum Verification

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

Three corn verification fields were planted this week. Lonoke, St Francis and Lee counties were all planted this past weekend before the rain. Lonoke and Lee County both applied Dual herbicide, which was activated with a good rain. Hopefully the last three corn fields and two grain sorghum fields can be planted this coming week. Weed control is starting to become an issue in a few fields. This is not going to be a one application year for sure. As slow as the corn is growing, most of the fields will have to have a two application approach.

County

Hybrid

Growth Stage Weekly Rain

Comments

———-Corn———-

Arkansas Field not planted yet.
Clay DKC 63-87

2.20 in

Field should be emerged by this weekend. Henbit was coming up in the field and we decided to spray 1 qt of Atrazine, 1 qt of Glyphosate and 1.3 pts of Dual when it dried up.
Jefferson Field not planted yet.
Lee DKC 66-87

2.00 in

Field was planted April 13 and 1.3 pts of Dual was applied before the rain.
Lonoke Armor 1330

1.45 in

Field was planted on April 12 and 1.3 pts of Dual was applied before the rain.
Mississippi Field not planted yet.
St Francis Terral 26BHR50

2.00 in

Field was planted on April 13.
White Armor 1550PRO

2.70 in

Field is starting to spike through the ground. Should have full emergence by this weekend.

———–Grain Sorghum———-

Chicot Field not planted yet.
Prairie Field not planted yet.

Southeast Arkansas Update – Wes Kirkpatrick (Desha County) & Kevin Norton (Ashley County)

Rainfall has prevented field work for the last several days. Many of the corn fields now have a visible stand and most of the emerged corn looks pretty good except for the weeds that are growing right along with the corn. Rainfall and windy conditions have prevented timely herbicide applications.

Central Arkansas Update – Brent Griffin & Michael Paskewitz (Prairie County)

Prairie county growers made good progress this week toward finishing corn planting. Grain sorghum growers are waiting on warmer dry weather. Rainfall totals ranged from 1 to 4 inches on Monday April 14. Planting will likely resume late Friday or Saturday of this week. Early emerged corn will have herbicides applied when the weather allows. There was minimal to no freeze or frost damage. We were able to get our county corn hybrid demonstration planted on Friday April 11.

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

We were able to sneak in the Lawrence County corn hybrid demonstration on Saturday before almost 2.5 inches of rain hit Sunday and Monday. Needless to say fields are pretty wet right now but hope we can miss the rains for a little while so planting can start again and hopefully finish corn planting.

Land preparation and planting was at a fever pitch Thursday thru Sunday of this past week in Craighead County in an attempt to beat the rain that came Sunday afternoon through Monday afternoon. The rice and corn that had emerged seemed to survive the cold temperatures (33 degrees) Tuesday (April 15) night.

Warmer temperatures forecast for the next seven days will help crop progress and hopefully dry the soil so planting/field work can resume.

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

Most of the River Valley received a couple of inches of rain the first part of the week followed by a late cold front. Even though we saw some temperatures drop to freezing a couple of nights, it doesn’t appear that we had much injury to the corn crop other than some looking kind of pale. As soon as the fields are dry enough to get across, some producers will be putting out some early post herbicide applications.

Heat Units

We had a great past weekend, with temperatures in the high 70’s. That came to a halt on April 15th and 16th as lows got close to freezing in most areas of the state. But as the week came to an end, nice weather and higher temperatures brought us closer to normal heat units.

Region of the state (city)

Heat Units Accumulated April 11 – April 18

30 Year Average Heat Units April 11 – April 18 Total Heat Units Since March 9

30 Year Average Heat Units Since March 9

Southeast Arkansas(McGehee, AR)

81

96 387

426

Central Arkansas (Des Arc, AR)

68

85 318

354

Northeast Arkansas(Jonesboro, AR)

71

74 295

325

River Valley (Morrilton, AR)

73

79 382

358


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