CROPS NEWS
Fixated on Nitrogen
Dan Davidson DTN Contributing Agronomist
Thu Jan 2, 2014 09:05 AM CST

There has been a lot of talk in the industry about applying nitrogen on soybeans to drive yields to the next level. University researchers, industry agronomists and farmers have been trying it with mixed results. However, every so often, we learn that a farmer has used it successfully to increase yield.

We all know soybeans are legumes that fix nitrogen. The question is do they fix enough nitrogen to produce 60, 80 or even 100 bushel soybeans?

According to data from the International Plant Nutrition Institute (IPNI), soybeans require approximately 5 pounds of nitrogen to produce a bushel of grain. ...

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