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                        Soil carbon and nitrogen sequestration following the conversion of cropland to alfalfa forage land in northwest China | 
                     
                    
                     
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                      |  出 版 社:Soil and Tillage Research   | 
                     
                    
                     
                      |  发表时间:2007,92:181-189   | 
                     
                    
                     
                      |  台  站:
                        临泽内陆河流域综合研究站
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                      |  作  者:Su yong zhong    | 
                     
                    
                     
                      |  点 击 率:4902  | 
                     
                     
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