Oil shale waste, a waste residual by carbonization or burning of oil shale, would seriously pollute environment and occupy large area of useful land without rational reuse.
油母页岩渣(灰)是油母页岩干熘或燃烧后排出的废渣，如果不合理利用则会挤占大量土地，对环境造成严重影响。
Because of the high acidity, low nutrients content, aluminum toxicity and potential heavy metals pollution, oil shale waste slag has negative effects on the normal growth of plants.
油页岩废渣因酸度高，养分含量低，并存在一定程度的铝毒和重金属污染等，使得植物很难在其中正常生长发育。
Because of the high acidity, low nutrients content, aluminum toxicity and potential heavy metals pollution, oil shale waste slag has negative effects on the normal growth of plants.
油页岩废渣因酸度高，养分含量低，并存在一定程度的铝毒和重金属污染等，使得植物很难在其中正常生长发育。
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