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堆肥是利用人粪尿、厩肥、秸秆等与土混合堆腐而成的。在堆腐过程中,由于复杂的生物化学变化,不仅
Composting is the use of human waste urine, manure, straw mixed with soil heap made. In the process of heaping, due to complex biochemical changes, not only