觉得，坡度低的可以耕种，坡陡如超过45度的，应该退耕还林，不然会加重水土流失和泥石流。。

来源: 谢谢你- 于 2014-12-14 09:58:43 [旧帖] [给我悄悄话] 本文已被阅读：次

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