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Nitrogen

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When it comes to nutrient management, continuous corn can present challenges. Research has identified a few things that you should consider when managing continuous corn to maximize yield and profitability.

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Since early August, Iowa farmers have been reporting soybean fields or parts of fields with yellow or greenish-yellow leaves in the upper canopy which resemble early senescence and sometimes nitrogen deficiency symptoms. The soybean growth stage is mainly R4 to R5.

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The year started out with soils on the dry end of the spectrum over most of Missouri, suggesting easy planting and low potential for N loss. But, as often happens, it turned into a wet spring, starting in southern Missouri in April and spreading northward and westward through May and June.

For Dr. Wanlong Li of South Dakota State University, gene editing is the newest avenue for a recently awarded grant project to create a new form of wheat germplasm that has a high yield potential without sacrificing efficiency in using nitrogen.

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