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The leaching of salts from saline heavy clay soils. factors affecting the leaching process.

Tanton, T.W., Rycroft, D.W. and Wilkinson, F.M (1988) The leaching of salts from saline heavy clay soils. factors affecting the leaching process. Soil Use and Management, 4, (4), pp. 133-139. (doi:10.1111/j.1475-2743.1988.tb00750.x).

Record type: Article


Cracks in dry saline montmorillonitic clay allow the soil to wet rapidly when flooded with negligible redistribution of salts. Once closed the only effective pathways remaining for the movement of leaching water are old root channels and faunal burrows. However, their effectiveness in conducting water and for leaching is severely restricted because of the lack of horizontal connections between them. Restructuring of clay can introduce sufficient permeability to a depth of about 0.7 to 0.8 m to allow salt to be leached provided that the soil's initial moisture content is sufficiently large to prevent disintegration upon wetting (about 24%) and that the clay is not allowed to become unsaturated during the leaching.

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Published date: 1988


Local EPrints ID: 75576
ISSN: 0266-0032
PURE UUID: 55bdb465-9d9f-4743-9013-5ee5eea93e05

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:42

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