Variation of soil properties in the western plateau of Najaf governorate using geographic information systems

The research aims to reveal the variation of soil characteristics in the western plateau of Najaf Governorate and to show this variation in the form of spatial distribution using geographic information systems (modeling) method for soil samples, which amounted to (40) samples, covering most of the study area and its area (27528) km 2 and a depth of (0-30 cm). The research first dealt with the physical characteristics, which included analyzing the soil texture of sand, clay, and silt, and knowing their proportions. The increase in the proportions of sand appeared in the samples that fall within the Najaf-Karbala plateau, and the relatively high proportions of silt in the samples of the Bahr Al-Najaf region.