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矿渣是人为的新的水土流失，环境污染的策源地，对其治理应先工程治理、后生物治理，人工加重其生物演替进程，加快绿化速度，竭止住水土流失，使矿渣造福于当地.
Slag is a new man-made source of water and soil loss and environmental pollution. It should be treated first by engineering and post-biological treatment, and artificially aggravating its biological succession. It should speed up greening and stop soil and water loss to benefit slag.