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Description: In a previous paper (5) the authors reported on leaching studies in shallow glacial soils with tile drains installed at a depth of 30 inches. Although the surface soil was reclaimed to a depth of 3 feet, the salt concentration of the soil at depths of 3 to 8 feet did not decrease to the same extent. Salts at these depths are a potential source of future salinization under shallow water table conditions. Installation of tile drains deeper than 30 inches is generally recommended (3). The problem with deep tile drains in glacial till is the low hydraulic conductivity of the soil, which causes slow removal of water and salts to these drains. Leaching of salt-affected soils is generally done in level basins after the land has been levelled and diked. This procedure, however, can be costly or impractical in some cases. The objective of this study was to determine the feasibility of using deep tile drains in reclaiming glacial till soils to depths of 5 to 7 feet on sloping land with a border-dike system. In addition a study was made of the possibility of reclamation without artificial drainage.

Keywords: leaching studies on sloping land with deep tile drains
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Citation: Schaik, J. C. van and R. A. Milne 1967. LEACHING STUDIES ON SLOPING LAND WITH DEEP TILE DRAINS. Canadian Agricultural Engineering 9(1):69-70.
Volume: 9
Issue: 1
Pages 69 - 70
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Date: 1967
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Coverage: Canada
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