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Midwestern agriculture contributes the vast majority of nitrogen in the Gulf of Mexico, causing an oxygen-starved hypoxic zone and challenging coastal economies. State and federal policies have tried for decades to provide solutions and incentives, but the hypoxic zone keeps coming back.
A recently published study analyzed a combination of soil tests to gauge corn nitrogen needs more accurately than the standard chemical tests that have been in use for roughly 50 years. The research could result in economic benefits to farmers and improved environmental quality.
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