Characteristics of ammonia volatilization on rice grown under different nitrogen application rates and its quantitative predictions in Erhai Lake Watershed, China

Chen, Anqiang; Lei, Baokun; Hu, Wanli; Lu, Yao; Mao, Yanting; Duan, Zongyan; Chen, Anqiang; Shi, Zesheng; SCI

机构： Yunnan Acad Agr Sci, Inst Agr Environm & Resources, Kunming 650205, Yunnan, Peoples R China; Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, Key Lab Nonpoint Source Pollut Control, Minist Agr, Beijing 100081, Peoples R China; Yunnan Agr Univ, Coll Resources & Environm, Kunming 650205, Peoples R China;

关键词： Ammonia volatilization Urea nitrogen Paddy field NH4+-N concentration of surface water pH of surface water Erhai Lake Watershed