乌兰察布盟地域辽阔,山地丘陵区次生林资源比较丰富。为了加速林业建设,除积极组织造林外,还采取了既省工省钱,又见效快的封山育林措施。从1979年到1987年的9年间,全盟封山育林39万亩,这些封育区多选在国营林场天然次生林近缘地带,稍加人工措施,在较短时期内就可成林成材,增加森林 Wulanchabu League vast territory, hilly areas of rich secondary forest resources. In order to speed up the construction of forestry, in addition to proactively organizing afforestation, measures have also been taken to close up hillsides for afforestation that save both labor and money, as well as quick results. From 1979 to 1987, 9 years, the alliance closed 39 million mu of afforestation and afforestation. These fencing areas were selected in the state-owned forestry farm natural secondary forest marginal zone, a little manual measures, in a relatively short period of time can be a success, increase the forest