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The use of soil in colliery spoil reclamation

Soil Use & Management. 9(4): 148-152

The use of soil in colliery spoil reclamation

Field trials measured the benefits of using soil in the reclamation of colliery spoil. Increasing the thickness of the soil cover increased grass yield, particularly on a site with potentially acidic spoil materials. Mixing soil with the underlying spoil increased slightly compared to using the same amount of soil as a cover. From these and earlier results, we conclude that: the use of soil as a cover is essential on sites with acidic, or potentially acidic, spoil; to be effective in the short-term, the thickness of soil can be as little as 15 cm; the use of soil on sites with non-acidic spoil is beneficial in terms of physical conditions, such as improved water-holding capacity and better root penetration; the benefits of incorporating the soil on such sites are probably insufficient to justify the additional effort involved.

Accession: 002530606

DOI: 10.1111/j.1475-2743.1993.tb00945.x

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