Xueyun Yang

College of Resource and Environment
Northwest Sci-Tech University of Agriculture and Forestry
Yangling China Email: xueyunyang@hotmail.com

Papers:
4:15 PM, Duke Energy Convention Center, Exhibit Hall AB, Level 1 407-8 Nitrogen Use Efficiency in a Wheat-Corn Cropping System From Long-Term Application of Manure and Chemical Fertilizers Application.