植被生态对城市垃圾的处理利用及改良

在城市垃圾填埋场上种树、种草进行植被恢复的基础上 ,分析测定了垃圾土中营养元素被植被吸收利用 ,其中有机质为 70 .2 8%、N为 60 .2 9%、P为 81 .85 %、K为 88.0 7% ,有效成分促进了植物生长 .植物对垃圾土中有害物—重金属可吸收积累 ,减少污染 ,对七种重金属污染削减率 ,灌木植物为 3 2 .2 5 %～ 5 4.46% ,草皮植物为 1 8.68%～ 78.46% .为植被生态处理、改良垃圾废弃地提供依据

Treatment, Utilization and Improvement of Civic Landfills in Vegetation Ecology

On the basis of planting trees and grass on civic waste disposal ground for restoring vegetation, the nutrient elements absorbed by vegetation in landfills are analyzed and examined. In utilization factor, organic composition is 70.28%, N is 60.29%, Y is 81.85%, K is 88.07%, and beneficial ingredients accelerate the plants growth. Vegetation can absorb and accumulate the poison heavy metal in landfills, and decrease the pollution. In elimination rate to seven sorts of heavy metals, shrubbery is from 32.25% to 54.4%, and turfs from 18.68% to 78.46%. The article shows a way for vegetation treatment and improvement of waste landfills.