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Utilization of Waste Products and Inorganic Fertilizer in the Restoration of Iron-Mine Tailings
Sven-Olov Borgegard and Hakan Rydin
Journal of Applied Ecology
Vol. 26, No. 3 (Dec., 1989), pp. 1083-1088
Published by: British Ecological Society
Stable URL: http://www.jstor.org/stable/2403714
Page Count: 6
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(1) The use of sewage sludge, horse dung, NPK-fertilizer, and NPK-fertilizer plus bark was tested to improve yield of grasses and clover sown on iron-mine tailings. (2) Addition of only fertilizer had little effect. With addition of fertilizer and bark a grass sward was successfully established, and with sewage sludge and horse dung the cover was very dense. (3) The water-holding capacity was improved by the addition of organic material. (4) When bark was added with the fertilizer, the level of NPK fertilizer (300 or 600 kg ha-1) had no effect.
Journal of Applied Ecology © 1989 British Ecological Society