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NE, KS | attached pic is 50 yrs of Avg July Temp for my county. I ran a Multi variant regression analysis with July weather and yield for my county and basically every degree over avg equals -4 bushels.
to the OP i think that most everyone has been doing what I have been doing the last 8-10 years. IE. Improving things, like Tile, Irrigation, fertility and so I think we do have a problem, of course weather trumps all.
I am going back to a 50/50 rotion for the first time in 10 years
 (50 year July temp.JPG)
Attachments
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 50 year July temp.JPG (29KB - 102 downloads)
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Is this the new normal for yields?
