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Soil Reclamation and Drainage with Evaporation Drainage Methods

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  2012 Dallas, Texas, July 29 - August 1, 2012  121340963.(doi:10.13031/2013.42011)
Authors:   Amjed Abo-Izreik, Majed Abu-Zreig
Keywords:   Land drainage, salt removal, Evaporation, arid land

Land drainage can be achieved by removing excess water and salts through evaporation. An experimental attempt was carried out for reclamation of logged saline soil and water logging problems called Evaporative Drainage Method (EDM). In this method, columns or wicks of absorbent materials called accelerators are used to accelerate evaporation rate and enhance removal of soluble salts from saline solution or resolve water logging problem in soil. Experiments were conducted under laboratory conditions and showed that accelerators increased the evaporation rates from unsaturated soil and saturated soil matrix by about 100%% compared to direct evaporation from soil surface. The soil salinity was also reduced by about 25% Results showed EDM method prevented accumulation formation of salt crust on the soil surface that would improve germination and cropping conditions under arid conditions.

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