Feb 16, 2017

Should You Split Your Nitrogen Application?

Emerson Nafiziger discussed likely changes in removal rates for P and K at this year's crop management conference. Removal is not a good way to make fertility decisions.  You need to know what you have.

He also briefly discussed return to Nitrogen Dollars.  At least in 2016, split applications did not pay. Maximun return to N was at relatively low rates.  Check out his comments on nitrogen.  I would not change my application method because of this research, but you might want to look at the Nrate calculator to help in your rate decision.  My recommendation would be to go to the high side of the chart.

If you are applying Nitrogen right now you should be treating it as a fall application and use inhibitor.  A warm wet March would denitrify a lot of N.

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Should You Split Your Nitrogen Application?
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Oleh