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Corn kernels size
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Redshale1
Posted 8/14/2015 19:44 (#4733555)
Subject: Corn kernels size


Northeastern Pa		When is the kernel size fully determined? Corn is showing one or two dented kernels per ear. Received nice rain and stalks are greening back up after three weeks without rAin. As far as test weight the kernel will gain weight until black layer I believe. Tia
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lintrepid
Posted 8/14/2015 21:57 (#4733770 - in reply to #4733555)
Subject: RE: Corn kernels size


This just a guess but I would say when corn reaches black layer, the kernel size is complete. The cob is shrinking even after that. But I is the kernel shrinking with drydown? Is that the invisible yield loss?
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wiljoe765
Posted 8/15/2015 07:06 (#4734007 - in reply to #4733555)
Subject: RE: Corn kernels size


Western Il. Hancock County		If you're after the most yield we should be harvesting at black layer. Many times I've harvested early and left a part of the field then come back later to finish and resulted in a substantial yield loss!(10-40 bushels is common) If only I had the machine and man power to get it all early!
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JDPlowboy
Posted 8/15/2015 07:48 (#4734052 - in reply to #4734007)
Subject: RE: Corn kernels size


sw MN

wiljoe765 - 8/15/2015 07:06 If you're after the most yield we should be harvesting at black layer. Many times I've harvested early and left a part of the field then come back later to finish and resulted in a substantial yield loss!(10-40 bushels is common) If only I had the machine and man power to get it all early!


+1
Field shrink can be a witch. 

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grizz1972
Posted 8/15/2015 09:16 (#4734185 - in reply to #4734007)
Subject: RE: Corn kernels size


wisconsin		around here corn is well into the 30 percent moisture range at black layer. dose the extra ten bushel pay for the drying.
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JDPlowboy
Posted 8/15/2015 13:09 (#4734438 - in reply to #4734185)
Subject: RE: Corn kernels size


sw MN

grizz1972 - 8/15/2015 09:16 around here corn is well into the 30 percent moisture range at black layer. dose the extra ten bushel pay for the drying.


That's a question every farmer has to answer for themselves. Outside air temp is a huge factor on drying cost with my new dryer.  Sometimes it's a bigger factor than moisture content. Drying at 70f is cheap compared to drying at 20f


Field loss is way less at a higher moisture too.  That can be 10 bpa at times. 



Edited by JDPlowboy 8/15/2015 13:20
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hillfarmer
Posted 8/15/2015 13:17 (#4734446 - in reply to #4734185)
Subject: RE: Corn kernels size



So if it cost $0.25 to dry from 30% to 25% would 10 bu times $3.50 per bu be more net $???????????????
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JDPlowboy
Posted 8/15/2015 14:19 (#4734501 - in reply to #4734446)
Subject: RE: Corn kernels size


sw MN
hillfarmer - 8/15/2015 13:17

So if it cost $0.25 to dry from 30% to 25% would 10 bu times $3.50 per bu be more net $???????????????


100 BPA yes
200 BPA no
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johnf
Posted 8/15/2015 18:11 (#4734759 - in reply to #4734501)
Subject: RE: Corn kernels size


I agree that higher moisture corn is often easier to harvest, but I think I'd rather plant good standing genetics, spray it with dextrose sugar and late season fungicide, leave it in the field to dry, pay less propane, and trust that a Drago corn head will pick it up if it falls a bit, and a Lexion combine will take care of any phantom loss from it being too dry. I guess my only concern with it being field dried would be a tiny bit of head-shell...otherwise, the savings is all $$ in my pocket...and it is significant savings in a year like last year when propane prices were quite high.

Edited by johnf 8/15/2015 18:14
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JDPlowboy
Posted 8/16/2015 14:30 (#4736035 - in reply to #4734759)
Subject: RE: Corn kernels size


sw MN

I am not saying start at 30%.  
I do want to be going by 25% but I am not paying the Coop to dry it.  

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bigswede
Posted 8/16/2015 14:45 (#4736064 - in reply to #4736035)
Subject: RE: Corn kernels size


+1
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