All Extension publications referenced on this site are Iowa State University Publications, Extension materials from other states are listed under the heading Other Resources.
Environmental Impacts of the Use of Poultry Manure for Agricultural Production Systems >>summary
Dairy Manure Quantification and Characterization in Grazing Systems >>summary
Effect of Tillage, Crop Rotation, and Innovative Nitrogen and Pesticide Management Practices on Productivity, Sustainability, and Water Quality >>summary
Impacts of Swine Manure Application and Alternative N- Management Practices on Productivity >>summary
Nitrogen Management Systems for Sustainable Agriculture and Environmental Quality >>summary