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Variation of above-ground biomass of grasses and its relation with environmental factors in Diediegou Small Watershed of
张千千,王彦辉,缪丽萍,刘建立,高宝嘉,,何丽英
Chinese Agricultural Science Bulletin . 2009, (4): 82 -87 .  DOI: 10.11924/j.issn.1000-6850.2008-1064