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.

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如果你有花园，你可能已经了解了这些混合肥料的用处了。

If you have a garden, you may already know how useful compost is.

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如果你有花园，你可能已经了解了这些混合肥料的用处了。

If you have a garden, you may already know how useful compost is.

youdao