Ripened composts that have taken six months to a year are more stable.
持续六个月至一年的成熟堆肥会比较稳定。
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。
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。
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