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2015 Cover Crop Plot Results for Corn
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Pvafarm
Posted 11/27/2015 18:52 (#4922969)
Subject: 2015 Cover Crop Plot Results for Corn


Southeast WI
I posted some soybean cover crop data a little while ago and here's the corn cover data for 2015.

I have 2 plots in the same field - it's split north and south so I can use 2 N rates. I do this to see if covers help with my lower or standard N rate and to see if that standard N rate is a limiting factor (seldom see a yield bump from N here once you get past "adequate, timely N applications").

This year the first strip in rep I on the north plot yielded substantially less - I don't have an explanation for this other than it happened. Replication is mandatory to find differences in practices or variety trials, no way around it. For those of you that have put in plots with extension or other groups that replicate, you know what I mean. Unexplained things just happen and if you don't replicate you can't even begin to guess what's real or not. So my high N rate trial is inconclusive in 2015. the normal rate trial is slightly positive for covers in 2015 which is good news.



(2015 Chr Corn Cover Plot High N Rate.jpg)



(2015 Chr Corn Cover Plot Std N Rate.jpg)



Attachments
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Attachments 2015 Chr Corn Cover Plot High N Rate.jpg (170KB - 82 downloads)
Attachments 2015 Chr Corn Cover Plot Std N Rate.jpg (173KB - 86 downloads)
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