城市污泥对退化森林生态系统土壤的人工熟化研究。
Artifical improvement of soil fertility in a regraded forest ecosystem by using municipal sewage sludge.
另一个不利的影响就是没有熟化的溶液没有絮凝作用，会和脱水污泥一起白白浪费掉。
Another negative aspect is that non-matured solution which has no flocculating effect and is thrown away together with the dewater sludge.
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