1Nitrogen use efficiency in a wheat-corn cropping system from 15 years of manure and fertilizer applications

作者： Duan, Yinghua; Xu, Minggang; Liu, Hongbin; Wang, Bairen; Gao, Suduan; Yang, Xueyun; Huang, Shaomin; SCI

机构： Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, Key Lab Crop Nutr & Fertilizat, Minist Agr China, Beijing 100081, Peoples R China; USDA ARS, San Joaquin Valley Agr Sci Ctr, Parlier, CA 93648 USA; Northwest Sci Tech Univ Agr & Forestry, Coll Resource & Environm, Yangling 712100, Shaanxi, Peoples R China; Henan Acad Agr Sci, Inst Plant Nutr & Agr Resources, Zhengzhou 450002, Henan, Peoples R China;

来源：FIELD CROPS RESEARCH

关键词： Fertilizer contribution Long-term fertilization Phosphorus Potassium Stover return

年份：2014

2Long-Term Evaluation of Manure Application on Maize Yield and Nitrogen Use Efficiency in China

作者： Duan, Yinghua; Xu, Minggang; Wang, Bairen; Yang, Xueyun; Huang, Shaomin; Gao, Suduan; SCI

机构： Chinese Acad Agr Sci, Minist Agr China, Inst Agr Resources & Reg Planning, Key Lab Crop Nutr & Fertilizat, Beijing 100081, Peoples R China; NW A&F Univ, Coll Resource & Environm, Yangling 712100, Shaanxi, Peoples R China; Henan Acad Agr Sci, Inst Plant Nutr & Agr Resources, Zhengzhou 450002, Henan, Peoples R China; USDA ARS, Parlier, CA 93648 USA;

来源：SOIL SCIENCE SOCIETY OF AMERICA JOURNAL

关键词： manure: agrichemical fertilizer nitrogen: 7727-37-9 agrichemical fertilizer phosphorus: 7723-14-0 agrichemical fertilizer potassium: 7440-09-7 agrichemical fertilizer inorganic nitrogen: agrichemical fertilizerYangling: China Asia Palearctic region Zhengzhou: China Asia Palearctic region Qiyang: China Asia Palearctic region Changping: China Asia Palearctic region crop yield crop production acid soils alkaline soils nitrogen use effi ciency soil nutrient storage