Assessment and Synthesis of 50 Years of Published Drainage Phosphorus Losses Image Date Issued 2016-09-16 Author Christianson, Laura Harmel, R. Smith, D. Williams, M. King, Kevin Main Topic Agricultural Drainage Surface Water Water Conveyance & Hydraulics
Ten Ways to Reduce Nitrogen Loads from Drained Cropland in the Midwest Image Date Issued 2010 to 2017 Author Christianson, Laura Frankenberger, Jane Hay, Chris Helmers, Matt Sands, Gary Main Topic Water Education, Outreach & Community Capacity Agricultural Drainage