الفهرس 
Chapter 1Only 14 pages are availabe for public view
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Abstract
Sandy soil covers huge areas of the world, especially in Egypt. This presents a significant hazard to the region of study, West of Minya, Egypt, located between the longitudes 30 ° 35 ’and 30 ° 55’ east . And between the latitudes 28 ”15 and 28 ° 35 ’north .
Wind crosion is the main factor to consider when evaluating land degradation in the region.
The eastern parts of the region include areas that are largely considered susceptible to low intensity wind erosion risk (45%) whereas the valley in the western parts is under risk (55%) . Results show that the soil under study is characterized by either very low or low fertility in terms of most nutrients.
The application of NPK is clearer for sandy soil, although NPK is dedicated only to clay soil.
Soil fertility is high in clay soil along the Nile River valley, and gradually decreases in the direction of the sand dunes bordering the Nile valley in the west. Which is more prone to crosion and degradation. The Physical and chemical characteristics of the soil change in the same direction as soil fertility: the soil characteristics deteriorate increasingly, especially in the sandy soil close to the sand dunes. Desertification can be controlled through the application of sound dryland ecosystems management. To overcome desertification, there is a nсed for planting windbreaks as well as managing and organizing water and soil new technologies.