动物的粪便可以作为肥料使用。
报告说更谨慎地使用肥料将使农夫收益，省下大笔资金。
The report says more careful application of fertiliser will benefit farmers by saving money.
自设农场基地，全部使用农家肥料种植。
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.
第一次使用后回收处理可作饲料或肥料。
After once use, the product is re-used as fertilizer or feed.
粪肥和肥料的使用和来源？
粪肥和肥料的使用和来源？
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