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01
May
2015
Arkansas Corn and Grain Sorghum Weekly Update – May 1, 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 nearing completion with some producers indicating they are still going to be planting corn over the next week or so.  The Arkansas Agriculture Statistics Service April 27th crop progress report indicated that 81% of the corn had been planted, compared to 71% last year and 85% planted for the 5-year average.  After two weeks of cool and wet weather, most corn looks surprisingly good, with some fields showing purpling from cool weather.  Sidedress nitrogen is going out on many fields in southeast and central Arkansas.  Grain sorghum planting is estimated to be 42% complete compared to 33% last year and 60% for the 5-year average.  Early planted grain sorghum has really struggled with the cool weather we have experienced the last two weeks and most has not done a lot of growing this week.  I planted some grain sorghum two weeks ago today and I still can’t say that I have a full stand, indicating it has just not been very good growing conditions for grain sorghum lately.  I am also getting a lot of calls on yellow or purple grain sorghum.  Most of these fields have adequate fertility and most of the problems will go away once we get some warmer temperatures.  Unfortunately there are also several fields that may have glyphosate drift on them and may need to be replanted.  I expect grain sorghum will respond to warmer temperatures and sunshine we are experiencing this week.

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

This week, not one corn verification field advanced a growth stage.  All four fields that are up stayed at the same leaf stage and most only grew 0.5 inches.  I don’t think I ever remember that happening in verification.  The Clay – Woolverton field only half emerged and what’s emerged is sick and yellow.  We will reevaluate it next week to see where we stand.  All the fields are getting a good dry, warmer week with lots of sun which will help more than anything.  With this weather, we should be able to get the other two corn and two grain sorghum fields planted by this time next week.

May 1 Update

Southeast Arkansas Update – Wes Kirkpatrick (Desha County)

Warmer temperatures and sunshine has the corn growing a little more than it was a week ago.  Fertilizer and herbicides are being applied at a rapid pace.  The forecasted warmer temperatures should help the grain sorghum start to look better, as currently a lot of it looks sick.

Central Arkansas Update – Chuck Capps (Arkansas County)

I can tell you that we are probably over 60% planted with more going into the ground starting this afternoon.  Lot of fertilizer and herbicide applications scheduled for the next couple of days.  What doesn’t get planted by rain next week will got to beans but hopefully we will get most of the corn and grain sorghum planted.

Northeast Arkansas Update – Stewart Runsick (Clay County)

Corn and Grain Sorghum planting is in full swing now. Producers should be able to get most everything planted over the next few days. Emergence has been slow due to cold wet conditions. Bottoms of fields and places that crusted over have to be replanted. Should be able to tell what we have as far as stands now. Conditions will be favorable for field work for the next several days.

River Valley Update – Kevin VanPelt (Conway County)

It’s just started to dry up enough for producers in the River Valley to get back in the field and finish their corn planting. The corn that is up is not growing much with the overnight low temperatures staying down in the 40’s and 50’s, but producers are getting herbicides out this week.

Heat Units

This is the second week in a row that the 30 year average heat units were close to or higher than 2015.  This is the reason corn isn’t growing much out in the field.  Hopefully next week we will get back to warmer temperatures and the corn will start growing again.

May 1 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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