城步县石灰岩发育而成的宜林荒山,约20万亩,集中连片分布在资沅、土桥、蒋坊、清溪、白云5个公社和土桥农场、儒林镇7片山地。这种土壤粘重板结,干燥瘠薄。20多年来,我县广大干群,对如何绿化这片荒山曾下过不少功夫,但是,由于年年停留在造好杉木林这一点上想办法,搞试验,结果有的虽连续造林四、五次,除极少数的山谷里能生长少量的杉木中、小径材外,其余的都没有成林。以后 Chengbu County limestone developed from the barren hills, about 200000 acres, concentrated contiguous in Zi Yuan, Tuqiao, Chiang Square, Cheonggyecheon, Baiyun 5 communes and Tuqiao farm, Rulin 7 Hill. This soil sticks to the plate knot, dry barren. Over the past 20 years, the majority of cadres in our county have done a lot of work on how to afforest this piece of barren hills. However, due to the fact that they are stuck in making cedar forests year after year, , Five times, except for a handful of small valley can grow a small amount of Chinese fir, small diameter timber, the rest are not into the forest. after