Evaluation of Measurement Methods as Surrogates for Tile-Flow Nitrate-N Concentrations
Project
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Nitrogen Micro Site Archive - Stories in Agriculture & Life Sciences
Resource
Farmers and landowners have made great strides in reducing soil and phosphorus loss thanks to the adoption of soil conservation practices over the past several decades. to address another great challenge facing land and water - the loss of nitrate-nitrogen - new methods will need to be incorporated into efforts to protect the land and water.
Modeling the Impacts of Historical Weather and Management on Nitrogen Loss
Project
Evaluation of Measurement Methods as Surrogates for Tile-Flow Nitrate-N Concentrations
Project
The Nitrogen Cycle
Video
This video is a combined presentation by Mike Castellano, an Iowa State assistant professor of agronomy, and Matt Helmers, an Iowa State agricultural and biosystems engineering professor. Castellano presents information on the soil nitrogen cycle. Helmers discusses drainage and nitrate loss.