我县山林面积较大,建国以来,虽然荒山绿化工作进展较快,但仍有5万亩荒山有待进行绿化。这部分荒山中,有的造过林(甚至造林多次),但因土壤干旱瘠薄,又来做到适地适树,造林没有成功。有的荒山虽然存留一些生命力强的乔、灌木树蔸和母树,每年春夏期间山上长满幼树萌条,生长 Since the founding of the People’s Republic of China, although the rapid afforestation of barren hills has progressed rapidly, there are still 50,000-mu of barren mountains to be afforested. Some of this part of the barren hills were made of forests (or even reforestation many times). However, due to the arid barren soil and the suitable planting of trees, afforestation did not succeed. Although some barren hills retain some vitality of Joe, shrub trees and mother trees, spring and summer each year covered with young trees sprout, growth