PH range is 6-9 in the composting process, so we need not adjust the composts' PH.4.
3、堆肥过程中pH值变化范围均在6～9之间，因此不必对堆料的pH值进行调整。
参考来源 - 城市污水处理厂污泥好氧堆肥技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
"compost organic debris"
以上来源于: WordNet
N-UNCOUNT Compost is a mixture of decayed plants and vegetable waste which is added to the soil to help plants grow. 堆肥
...a small compost heap.
…一小堆肥堆。
N-MASS Compost is specially treated soil that you buy and use to grow seeds and plants in pots. (用于在盆中种种子和植物的) 特制土
...a 75-pound bag of compost.
…一袋75磅重的栽种用土。
V-T To compost things such as unwanted bits of plants means to make them into compost. 把…制成堆肥
Other scientists have looked at materials like leaf compost or manure, while Professor Brown favors composts high in iron content, like the sludge from wastewater treatment.
其他科学家们寄希望于树叶堆肥或粪肥一类的物质，而布朗教授更偏爱铁含量较高的堆肥，例如来自废水处理过程中的污泥。
The use of manure and composts as fertilizers is probably almost as old as agriculture.
粪肥和混合肥料的使用几乎与农业同样古老。
Most scholars believe that the use of short-term pot experiment is the best way to verify the disease suppressive ability of composts.
大多数学者认为，采用短期的盆栽试验，是验证堆肥抑病能力最有效的方法。
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