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International Journal of Soil Science
  Year: 2020 | Volume: 15 | Issue: 1 | Page No.: 1-7
DOI: 10.3923/ijss.2020.1.7
 
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Effects of Physical Soil and Water Conservation Structures and Slope Gradients on Soil Physicochemical Properties in West Oromia, Ethiopia

Muktar Mohammed , Gutema Takele and Kibebew Kibret

Abstract:
Background and Objective: Soil degradation resulted from water erosion is quite common in mountainous area where the land cover is depleted and cultivated for long time without applying proper land management practices. The objective of the study was to evaluate the effects of soil and water conservation structures (terraces) on selected soil physical and chemical properties. Materials and Methods: The treatments used for comparison were cultivated land treated by soil and water conservation structures, adjacent non-conserved cultivated land and slope gradients. The slope gradients were gentle (3-15%), moderately steep (15-30%) and steep slope (>30%). A total of 18 composite soil samples were collected from the top 0-20 cm soil depth replicated three times for each treatment. Selected soil physical and chemical properties were analyzed in the laboratory by using standard procedures. Data was analyzed using statistical software. Results: The results of the study revealed that most of investigated soil physical and chemical properties showed significant different between conserved and not conserved farms except for soil pH value, sand and available phosphorous content. For slope gradients result of the study indicated that soil pH value, sand and available phosphorous content were significantly different among treatments. Conclusion: It can be concluded that implementation of proper soil and water conservation measures on moderate to steep sloped degraded farm lands could reclaim the land through improving selected soil physical and chemical properties. This implies that crop production on degraded sloppy land without implementation of appropriate soil and water conservation measures could not be maintained and sustainable.
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How to cite this article:

Muktar Mohammed, Gutema Takele and Kibebew Kibret, 2020. Effects of Physical Soil and Water Conservation Structures and Slope Gradients on Soil Physicochemical Properties in West Oromia, Ethiopia. International Journal of Soil Science, 15: 1-7.

DOI: 10.3923/ijss.2020.1.7

URL: https://scialert.net/abstract/?doi=ijss.2020.1.7

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