The Effect of Erosion on Agricultural Lands in Zab District
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Abstract
The study deals with the impact of the erosion process on agricultural lands in Al-Zab district, as it is one of the areas affected by this geomorphic activity according to the variation in surface appearances and the impact of the climate there, especially the element of rain, which had the most prominent impact on this phenomenon and the extent of its impact on agricultural lands, especially in rainy years, which constituted an obstacle to farmers after the deterioration of land due to erosion.
The present study revealed that the soils in the study area were classified into three types: brown soils of deep thickness, brown soils of medium thickness, and red soils of medium thickness.
The results of the classification of soil erosion in the study area according to
the Bergsma classification also showed that there are seven levels of erosion types according to their severity, starting from the first degree to the seventh degree, as the range of light erosion is represented by degrees (first, second, and third) and at a rate of (37%) of the area of the study area, while the moderate erosion range includes grades (fourth and fifth) and its rate reached (35%) of the area, the extent of severe erosion is represented by degrees (sixth and seventh) and its percentage reached (28%) of the total area.
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References
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-Ministry of Transport and Communications, General Authority of Meteorology and Seismic Monitoring, Climate Department, unpublished data. Journal of the College of Arts, Tikrit University, Volume 11, Issue 1, 2019.
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