Desert agricultural expansion based on scientific basis, is considered as a mainstay of Egypt's national economy to take up and cope with the current economic changes. Also, Surveying and evaluating land resources have become urgent necessity in many aspects of life for the country. Since the sound optimum planning to utilize such natural resources and bringing in the proper investment, requires that the decisions and their alternative should be based on comprehensive and precise data and information in order to obtain feasible technical and economical results.
The western desert with its location and the variant natural resources is regarded as a strategic depth of Egypt and also as the main link to the western Arab countries. Therefore, a new awareness and appreciation has remarkably grown in that a development deeply concerning the economic, social, environmental, and cultural aspects, should take place to keep the security of the whole country and to establish a pioneer model of national development. This fact necessitates an essential demand for evaluating and classifying the soil according to its agricultural productivity.