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Short-Rotation Tree Plantations At Sanitary LandfillsPaavo Ristola Ltd., Consulting Engineers, Terveystie 2, 15870 Hollola, Finland Short-rotation tree plantations were studied at six sanitary landfills in southern Finland. Altogether 65,000 cuttings and seedlings of five species were used in 1982-1987. Most of the stands developed well, the most productive species being Salix aquatica, Betula pendula and Populus rasumowskyana. They were also suitable for landscaping. With leachate irrigation, the biomass production was one of the highest values measured in Finland. Growth was disturbed when leachate rich in salts was sprayed directly on the leaves at rates exceeding 500 mm/growing season. Growth was best when the substrate was at least 0.2-0.3 m deep and rich in humus, and the underlying refuse more than 2 years old. A coppiced stand survived when the snow cover was removed from it by a wheel loader to diminish infiltration. Short-rotation plantations can also be established at sanitary landfills still in operation, in order to increase evapotranspiration and landscape the sites.
Key Words: Landfill vegetation landscaping Salix biomass Finland.
Waste Management & Research, Vol. 6, No. 1,
291-302 (1988) This article has been cited by other articles:
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