Start Date

1-12-2016 12:00 AM

Description

Much of the U.S. Corn Belt is characterized by relative flat, poorly-drained areas which with extensive subsurface drainage, have become some of the most valuable and productive agricultural land in the world. However, this is not without consequences. Nitrate-N loss from these systems is of particular concern due to its potential adverse impacts on both public health and ecosystem function. In addition to the potential local impacts on receiving waters in the Corn Belt, nitrogen loads from the region are suspected as a primary contributor to hypoxia in the Gulf of Mexico. Iowa has long been a leader in balancing agricultural production and water quality concerns and in 2013 the Iowa Department of Agriculture and Land Stewardship released a nutrient reduction strategy in response the 2008 Gulf of Mexico Hypoxia Task Force Action Plan.

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Dec 1st, 12:00 AM

Extending field scale 4R nutrient management and wetland performance to watershed scale outcomes

Much of the U.S. Corn Belt is characterized by relative flat, poorly-drained areas which with extensive subsurface drainage, have become some of the most valuable and productive agricultural land in the world. However, this is not without consequences. Nitrate-N loss from these systems is of particular concern due to its potential adverse impacts on both public health and ecosystem function. In addition to the potential local impacts on receiving waters in the Corn Belt, nitrogen loads from the region are suspected as a primary contributor to hypoxia in the Gulf of Mexico. Iowa has long been a leader in balancing agricultural production and water quality concerns and in 2013 the Iowa Department of Agriculture and Land Stewardship released a nutrient reduction strategy in response the 2008 Gulf of Mexico Hypoxia Task Force Action Plan.