通过定点观测、实地试验等方法，得出植被恢复对矸石山土壤改良效益显著，特别是对土壤中的有毒元素具有净化作用。
The result is that soil improved effects of re-vegetation in coal waste piles are obvious, especially purifying poisonous elements.
通过定点观测、实地试验等方法，得出植被恢复对矸石山土壤改良效益显著，特别是对土壤中的有毒元素具有净化作用。
The result is that soil improved effects of re-vegetation in coal waste piles are obvious, especially purifying poisonous elements.
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