Cropping systems affect paddy soil organic carbon and total nitrogen stocks (in rice-garlic and rice-fava systems) in temperate region of southern China

Zhang, Tao; Liu, Hongbin; Zhai, Limei; Zhang, Dan; Wang, Hongyuan; Chen, Anqiang; Lei, Baokun; Liu, Jian; SCI

机构： Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, Minist Agr, Key Lab Nonpoint Source Pollut Control, Beijing 10081, Peoples R China; Yunnan Acad Agr Sci, Inst Agr Environm & Resources, Kunming 65205, Yunnan, Peoples R China; Penn State Univ, Dept Plant Sci, University Pk, PA 16802 USA;

关键词： Nitrogen balance Paddy soil Rice-fava system Rice-garlic system Soil organic carbon stock Total nitrogen stock