Assessing manure and inorganic nitrogen fertilization impacts on soil health, crop productivity, and crop quality in a continuous maize agroecosystem

Grace L. Miner is a postdoctoral plant scientist in the Department of Soil and Crop Sciences, Colorado State University, Fort Collins, Colorado, and a visiting scientist with the USDA Agricultural Research Service Soil Management and Sugarbeet Research Unit, Fort Collins, Colorado. Jorge A. Delgado, Catherine E. Stewart, Daniel K. Manter, and Stephen J. Del Grosso are research soil scientists and Robert E. D'Adamo and Bradley A. Floyd are physical science technicians at the USDA Agricultural Research Service Soil Management and Sugarbeet Research Unit, Fort Collins, Colorado. James A. Ippolito is an associate professor of environmental soil quality in the Department of Soil and Crop Sciences, Colorado State University, Fort Collins, Colorado.