Land evaluation of north east El Baharya oases area, Egypt using GIS and remote sensing techniques

Abstract

The North East area of El Baharya Oases represents one of the highest priority areas for future agricultural development in Egypt. The study area is located between longitudes 29° 9' 28.354" , 29° 27' 38.264" East and latitudes 28° 47' 26.562" , 29° 3' 17.531" North and covers an area of about 101294 feddans. A physiographic map was produced to present the mapping units of the study area. The area was classified into two landscapes, i.e., plateau represents 23.77 % of the total study area and plain which covers an area of about 77212.3 feddans (76.23 % of the total study area). The soils of the study area are classified as Entisols ( Torriorthents and Torripsamments) and Aridisols (Haplogypsids, Petrogypsids and Haplosalids). Land capability was used to evaluate the soils of the study area. The study area was classified into four capability subclasses, i.e., S2x, S3x,n , S3x,d and N1x,d,n .The soils of S2x (69.26 % of the total area) have moderate limitations for agricultural crops, whereas texture is the most limiting factor.

Assessment of Soil Fertility Status under Soil Degradation Rate Using Geomatics in West Nile Delta

“…In addition, the lake is shallow, with a depth range of 10 to 90 cm, with the eastern and central portions of the lake having the deepest depths reported [90]. Furthermore, it has been noted that a shallow saline water table can cause salt to flow through the soil by capillary rise and evapotranspiration [78][79][80][81][82][83][84][85][86][87][88][89][90][91][92][93][94][95][96]. This can result in salt buildup on the surface of the soil.…”