manure yard
肥料院子里
以上为机器翻译结果，长、整句建议使用 人工翻译 。
If farm - yard manure is used it must be well rotted.
如果使用农场的粪肥，必须让它完全腐烂。
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However, the combination of farm yard manure, straw and chemical fertilizer had different effects on different soil enzymes.
而有机肥、秸秆和化肥之间的配合施用处理的土壤酶活性表现不一致。
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