安化县工矿废弃地植被恢复试验初报

在湖南安化氰化废渣煤矸石区域进行植被恢复试验。结果表明,煤矸石污染区域适宜于杉木、马尾松、楠竹客土栽植,不适宜欧美杨扦插,其成活率分别是94.3%、85.8%、96.4%,达到与原土地同等的生长状况。氰化废渣污染区域适宜于杉木直接栽培、欧美杨扦插,不适宜楠竹的直接栽植。杉木的成活率为85.1%,欧美杨的直接扦插成活率为89.9%,引导扦插的成活率为87.1%。

Preliminary Report of the Experiment on Vegetation Restoration in Abandoned Location of Industry and Mining of Anhua in Hunan Province

The results of the experiment on the vegetation restoration in the wasteland of cyanide waste residue and coal refuses of Anhua in Hunan show that,on the one hand,the polluted area of coal refuses is suitable for planting Cunninghamia lanceolata,Dendrolimus punctatus and Bamboo spp.which survival rates are 94.3%,85.8% and 96.4% in order respectively,almost same growth situation as in original soil,but unsuitable for Populu euramericana by cutting;on the other hand,the polluted area of cyanide waste residue is suitable for growing Cunninghamia lanceolat(survival rate as 85.1%),Populu euramericanae by cutting(survival rate of direct cutting as 89.9%,that of guiding cutting as 87.1%),but unsuitable for Bamboo spp.