无土煤矸石山绿化技术试验研究

龙岩地区各煤矿区，都有几座庞大乌黑的矸石山。它们多由岩巷矸和煤巷矸组成，具有矸径大、无土、强酸、干热、有毒等特性，植物难于生存。１９９２～１９９５年，龙岩地区林业委员会的专家学者，遵循石质荒漠上植被的演进规律，在工程措施基础上，筛选出一批适合本地区矸石山绿化的先锋树草种，本着先草灌改善小气候，再乔木的立体防护原则，绿化了矸石山，减少了污染。

Experimental Study on Technique of Afforesting on Gangue Mountain Without Earth

There are several huge and jet-black gangue mountains in coal mine area in Longyan Prefecture, which are composed of waste rock and waste cinder. This kind of gangue mountain has the feature of big-diameter, without earth, strong acidity, dry and hot, and toxicity, so it is difficult for plant to grow. From 1992 to 1995, following the evolution law of vegetation on stony desert,experts and scholars from Forestry Committee in Longyuan Prefecture selected a series of pioneer trees and grasses; adhering to the principles of improving micro-climate with grasses and shrubs first and then planting arbor to form a stereoscopic protection system, they plant trees on the gangue mountains to decrease pollution in the area on the basis of engineering measures.