这天然的再循环把营养还田，一些专家建议深翻十五厘米时，应追加五厘米厚的混合肥。
This natural recycling returns nutrients to the soil. Some experts advise adding five centimeters of compost for every fifteen centimeters of turned soil.
这天然的再循环把营养还田，一些专家建议深翻十五厘米时，应追加五厘米厚的混合肥。
This natural recycling returns nutrients to the soil. Some experts advise adding five centimeters of compost for every fifteen centimeters of turned soil.
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