耕作对黄土高原和北美大草原三种典型农业土壤有机碳的影响
武天云, JeffJ.Schoenau, 李凤民, 钱佩源, SukhadevS.Malhi
Inf1uence of cultivation on organic carbon in three typical soils of China Loess Plateau and Canada Prairies．
WU Tian-Yun, JeffJ.Schoenau, LI Feng-Min, JIAN Pei-Yuan, SukhadevS.Malhi
应用生态学报
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2003, (12): 2213
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