It was studied of kinds contents and changes of organic acids in the composting of hen feces and dairy manure.
2
采用作物产品养猪，猪粪好气堆腐的方法，研究了喂饲-堆腐过程中猪粪的磷素变化情况。
Dynamic phosphorus contents during breeding and composting process of pig manure were studied by feeding pig with crop production, composting pig manure at aerobic condition.
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