individual publications
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academic article
- Excess Nitrogen in the U.S. Environment: Trends, Risks, and Solutions.. Issues in Ecology. 15. 2012
- Sources of Nitrate Yields in the Mississippi River Basin. Journal of Environmental Quality. 39:1657-1667. 2010
- Annually and seasonally varying effects of denitrification on riverine nitrogen transport.. Biogeochemistry. 93:91-116. 2009
- Modeling N2O flux from an Illinois agroecosystem using Monte Carlo sampling of field observations. Biogeochemistry. 93:31-48. 2009
- Modeling denitrification in a tile-drained, corn and soybean agroecosystem of Illinois, USA.. Biogeochemistry. 93:7-30. 2009
- Nutrient Imbalances in Agricultural Development. Science. 324:1519-1520. 2009
- Nutrient Imbalances: Pollution Remains, Response. Science. 326:665-666. 2009
- Application of the DNDC model to tile-drained Illinois agroecosystems: model calibration, validation, and uncertainty analysis, Nutrient Cycling. Agroecosystems. 78:51-63. 2007
- Application of the DNDC model to tile-drained Illinois agroecosystems: model comparison of conventional and diversified rotations, Nutrient Cycling. Agroecosystems. 78:65-81. 2007
- Fertilizer: Complex issue calls for informed debate. Nature. 427:99. 2004
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document part
- A Spatial Analysis of Phosphorus in the Mississippi River Basin 2009
- Nitrogen in the Mississippi River Basin: How Do Inputs and Balances Relate to Riverine Export of Nitrate?. 2009
- Diversified Agricultural Systems: Balancing Ecosystem Services with Economic Viability 2005
- Nitrogen Management in Agroecosystems: Applying Models and Data in Policy Development 2005
- Effect of diversified rotations on yield and nitrate leaching: A meta-analysis 2004
- Response of crop yields and soil N to diversified rotations: a meta-analysis 2004
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report