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机译:EFFECTS OF PLANTING YEARS ON THE CONTENTS AND CHEMICALSPECIATION OF HEAVY METALS IN THE MATRIX OF COAL GANGUE WITH ECOLOGICAL RESTORATION BY VETIVER GRASS (VETIVERIA ZIZANIOIDES)
College of Animal Science,Guizhou University;
Key Laboratory of Plant Resources Conservation and Germplasm Innovation in Mountainous Region,Guizhou University;
College of Landscape Architecture,Northeast Forestry University;
Vetiver grass (Vetiveria zizanioides); Heavy metal; Chemical speciation; Coal gangue matrix; Ecological restoration; Environmental problems;