当前宁夏南部山区已全面实施了封山禁牧和退耕还林、还草,人工牧草已成为家畜舍饲的主要饲草来源。
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实行封山育林的办法以来, 这里的土壤沙化问题有了明显缓解.
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The minimums of similarity coefficient were between the natural secondary forest and the rests.
封山育林区和天然次生林区物种丰富度指数高于其他样地.
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Both papaya can only be used for reforestation closing, the results dried for medicinal.
这两种木瓜仅可用于封山造林, 结果晒干供药用.
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This province started to enclose the hills in a national park to allow natural reforestation.
该省的一个国家公园已开始封山育林.
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