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niran Ali Hussein
Neran.Ali765@gmali.com

Abstract

This research dealt with studying a number of the dominant and most common soil characteristics in the soils of the Khalis District and adopting them as distinctive characteristics for diagnosing and identifying soil types, which leads to a state of coherence in the structure of the classification system.  In addition to studying the physical and chemical properties and classifying them into soils with a fine, medium, and coarse texture, they were classified into soils of ancient river banks, which were characterized by being of a medium-fine texture in the surface and erosional layers, in addition to being soils with a salinity rate ranging between (%  8.0-%0.3) mm/cm at 25°C, the percentage of lime ranges between (%23.0-0), the percentage of gypsum ranges between (%0.05-0) and the percentage of organic matter (%7.65-%6.3).  As for the soil of buried ponds, it is characterized by having a soft to medium-fine texture, and its texture is solid in the dry state and cohesive in the wet state, and it is of different shapes and sizes, where the percentage of organic matter ranges between (8.5%-8.5%)  5.5). The percentage of salinity varies according to each layer, ranging between (%3.5-%1.0), the percentage of lime between (%26.3-%18.3), and the soil reaction ranges between (%7.95-0).  As for the soil of river basins, it is characterized by being of a fine to medium-fine texture, cohesive in the wet state, and solid in the dry state, and the soil interaction rate is between (%7.68-0) and the value (PH) is between (%1-%0.20).  The percentage of salinity is between (%8.5-%0.3), the percentage of lime is between (%27.4-0), and the percentage of gypsum is between (%0.02-0). As for the low soil, it is one of the soils that is characterized by its soft texture.  In all surface and erosional layers, it is characterized by the presence of a high percentage of sodium salts.

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How to Cite
Hussein, niran A. (2024). Soil Survey and Land Classification for Al- Khalis District-Diyala Hovernorate. Journal of Tikrit University for Humanities, 31(5), 164–183. https://doi.org/10.25130/jtuh.31.5.2024.09
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Articles

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