ISSN : 2287-8327
The ultimate target of restoring waste landfills is revegetation. The most effective method forthe present study was to investigate the effects of nitrogen fertilizer, and the addition of carbon through sawdust, sucrose and litter, on vegetation dynamics at a representative municipal waste landfill in South Korea: Kyongseodong. A total of 288 permanent plots (0.25 m2) were established and treated with nitrogen fertilizer (5, 10 and 20 N g/m2), sawdust (289 g/m2), sucrose (222 g/m2) and litter (222 g/m2). The aboveground biomass was significantly enhanced by nitrogen fertilizer at 5 and 10 N g/ m2, compared with the control plots. The total 2, as well as on those treated with sawdust and sucrose, compared with the control plots. The higher species richness after nitrogen fertilization of 10 to 20 N g/m2,and the sawdust and sucrose treatment demonstrated that this was an ap-propriate restoration option for nutrient deficient waste landfills. This study demonstrated positive nutrient impacts on plant biomass and species richness, despite the fact that municipal waste landfills are ecosystems that are highly disturbed by anthropogenic and internal factors (landfill gas and leachate). Adequate N and C combined treatments will accelerate species succession (higher species richness and perennial increase) for restoration of waste landfills.
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(2007) Received May9 Accepted May 16,