John E. Sawyer

Iowa State University
Department of Agronomy
2104 Agronomy Hall
Ames, IA
USA 50011
Email: jsawyer@iastate.edu

Papers:
2:30 PM, Duke Energy Convention Center, Room 204, Level 2 126-6 Mineralizable C and Nitrate Limitation On Nitrous Oxide from an Intensive Maize System: Interaction Between Cover Crop and Fertilizer Rate.
9:30 AM, Duke Energy Convention Center, Room 207, Level 2 188-5 Maximum Return to Nitrogen (MRTN) Method for Nitrogen Recommendations for Corn.
2:15 PM, Duke Energy Convention Center, Exhibit Hall AB, Level 1 279-6 Winter Rye Cover Crop Biomass Production, Degradation, and N Recycling.
3:00 PM, Duke Energy Convention Center, Exhibit Hall AB, Level 1 296-5 Do Cover Crops and Historical Fertilizer Rate Affect Nitrous Oxide Emissions From Soybean As Well As Maize?.
10:50 AM, Duke Energy Convention Center, Room 252, Level 2 391-4 Aboveground Biomass Yield and Carbon and Nitrogen Accumulation in a Continuous Corn Stover Harvesting System.