科尔沁沙地沙打旺草地衰退规律与恢复技术研究

孙启忠, 桂荣

Research on Decline Law and Recovery Technique of Astragalus adsurgens Meadow on Kerqin Sand Land

Sun Qizhong, Gui Rong

. 2000, (4): 253 -261 . DOI: 10.11733/j.issn.1007-0435.2000.04.003