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民勤沙区梭梭林自然更新机理初步研究
李发江,孙得祥,常兆丰,
Preliminary Study on Natural Regeneration Mechanism of H. ammodendron
Forest in Minqin Desert Area
Li Fajiang, Sun Dexiang, Chang Zhaofeng,
中国农学通报 . 2008, (9): 165 -170 .  DOI: 10.11924/j.issn.1000-6850.2008-0296