The Sodium Role on Soil Penetration, Its Impact in North Kabul, Afghanistan

The permeability is a very important phenomenon, for the slow penetration in soil trend to decrease of amount of water debt at water wells and other underground sources such as Karezes. Besides, it goes to large scale of groundwater table drow down, and consequently might be full destruction of Underground water sources. The Hypothesis of this research paper is ? the assessment of Negative effect of Sodium (Na) at permeability process, for soil sodality which characterized as (SAR)tend to coagulation of soil's particles, and as result the soil permeability is decreased. The main goal of this paper is recognizing the mechanism of Ions function during water movement through soil purses and also combating with it impact on different aspect of social economical lives and soil contamination. As result of investigation founded that usage of gypsum (CaCO3 2H2O) among other conditioners most useful, harmless and also economic for solving above mentioned problem.