IMPROVEMENT OF SALINE HARRAN SOILS BY ELECTROKINETIC REMEDIATION METHOD

Abstract

Soil salinity has become one of the environmental issues around the world. The most typical example in Turkey was the soil salinization in Harran and Akçakale Plains in recent years. Especially the Harran Plain has the big potential of water and land resources. Irrigated farming is common in the plain. Excessive and uncontrolled irrigation contributed the high groundwater level and soil salinity in the region. Deficiency of drainage network in the farmlands was the most important factor on the salinity. In-field drainage systems are newly established. In some areas, irrigation is conducted through the main drainage channel with high salt content (13.5 dS/m). On the other hand, pumping irrigation waters in Akçakale region have high salt content. This problem has grown especially when dealing with low-permeable soils where conventional remedial techniques are inadequate and often ineffective. Electrochemical treatment is an innovative and clean technology for the restoration of saline soils. This process has proven to be the most effective, promising technique for the optimal and sustainable improvement of salt-affected soils.

Keywords

• Soil salinity,Harran plain,electrokinetic remediation

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