Paired field and water measurements from drainage management practices in row-crop agriculture

Abstract

Measurement(s) subsurface drain flow • Nitrate-N concentration • water table • soil nitrate concentration • precipitation • grain yield Technology Type(s) pressure transducers within drainage control structure/outlet • automated flow-proportional sampling • pressure transducers installed inside deep wells of perforated PVC pipes • dry combustion • on-site weather station • mechanical harvest with combine Factor Type(s) controlled drianage • drainage water recylcing • saturated buffers Sample Characteristic - Organism Zea mays • Glycine max Sample Characteristic - Environment agricultural field Sample Characteristic - Location United States