Rice yield, potassium uptake and apparent balance under long-term fertilization in rice-based cropping systems in southern China

Zhang, Huimin; Xu, Minggang; Shi, Xiaojun; Li, Zuzhang; Huang, Qinghai; Wang, Xiujun; SCI

机构： Chinese Acad Agr Sci, Key Lab Crop Nutr & Fertilizat, Minist Agr China, Inst Agr Resources & Reg Planning, Beijing 100081, Peoples R China; Southwest Univ, Dept Resource & Environm, Chongqing 400715, Peoples R China; Jiangxi Acad Agr Sci, Inst Soils Fertilizers & Agr Resources, Nanchang 330200, Peoples R China; Inst Red Soils Jiangxi Prov, Jinxian 331717, Peoples R China; Univ Maryland, Earth Syst Sci Interdisciplinary Ctr, College Pk, MD 20740 USA;

关键词： Apparent K balance Long-term fertilization Potassium uptake Rice yield