Presentation on theme: "Cropping Systems Affecting Over- winter Soil Nitrate Dynamics and Leaching Chengci Chen, Michael Bestwick, and Yesuf Mohammed Central Ag Research Center."— Presentation transcript:
Cropping Systems Affecting Over- winter Soil Nitrate Dynamics and Leaching Chengci Chen, Michael Bestwick, and Yesuf Mohammed Central Ag Research Center Montana State University Nitrate in Montana Hydrologic Systems 2014 Conference, April 23-24, Helena, MT
Introduction Soil and weather conditions in central Montana
Conclusions Fall-applied N is prone to leaching in central Montana with shallow soil profiles. Fall-applied N may have subjected to surface runoff during snow thawing in the early spring. Crop rotations affected water and N uptake by crops and N mineralization in soils, thereby affecting mineral N contents in the soil profiles. Managing N from leaching to groundwater or runoff to surface water should not sacrifice crop yield and farm profits.
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