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A preliminary investigation in 1976 by Alberta Agriculture, Drainage Branch, showed that about 25 ha of land near Vauxhall, Alberta were waterlogged and salinized because of seepage from an adjacent irrigation canal. Recommendations for reclamation of this affected land were to relocate and straighten the canal and to place interceptor drains on both sides of the relocated canal. In 1977, the canal was relocated and corrugated, perforated plastic drains (100-mm diam.) with a fabric filter were installed with a trenchless plow on each side of the canal, at a depth of 75-100 cm. The drains failed to alleviate the problem of waterlogging. In 1978 a task force was formed of specialists from industry and Provincial and Federal agencies to determine why the drains failed and to make recommendations for reclamation of this soil. The very slow drainage of water into a test pit at one of the drains indicated that water movement in the soil was very slow. Examination of the filter on the drain revealed that it was coated with very fine sand and silt. Low hydraulic conductivity (K) of the soil can be caused by: (1) high exchange able sodium percentage (Horn 1971 Mclntyre and Loveday 1979 Park and O
soil properties impeding subsurface drainage of a soil near vauxhall, alberta: a case study
Sommerfeldt, T. G., Hendry, M. J. and C. Chang 1983. SOIL PROPERTIES IMPEDING SUBSURFACE DRAINAGE OF A SOIL NEAR VAUXHALL, Alberta: A CASE STUDY. Canadian Agricultural Engineering 25(2):205-208.
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