Assessment of salt-affected soil extent and spatial variability using GIS and remote sensing in Asaita district, Northeastern Ethiopia.

Salt-affected soils critically affecting irrigation practices and crop production, and also improper irrigation practices aggravated soil salinity problems in Asaita District. This study was conducted to assess the magnitude and spatial variability of salt-affected soils in the irrigated areas of Asaita District, Afar Region, Northeastern Ethiopia using GIS and remote sensing techniques. To undertake this study, base map of land use/ land cover were created based on desk review of existing document, initial data using ARC GIS 10.