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Physical properties of two soil types from Darya and Abe Jerash and the relationships among their components

دراسة بعض الصفات الفيزيائية لتربتين من منطقتي داريا و أبي جرش و تحديد العلاقة بين مكوناتهما

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 Publication date 2012
and research's language is العربية
 Created by Shamra Editor




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This study was conducted at Darya and Abe Jerash regions to study some Physical properties of the two soil types such as: soil depth, soil texture, bulk density, Specific weight and Porosity. Results showed that Bulk density average decreased and the total porosity increased in the soil of Darya compared to soil of Abe Jerash, due to the high percentage of clay in the first type compared to the second one. Bulk density average in general, increased in both soils with depth. Presence of a strong and positive relationship between the Specific weight and the percentage of sand in the soil of Darya and it was also strong but inverse in the soil of Abe Jerash, but the relationship was. The coefficient of determination was high for silt with Specific weight in the soil of Darya, while this factor was low in the soil of abe Jerash, indicating the high quality of the regression equation that represents the relationship between the two variables in soil of Darya.


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Research summary
تتناول هذه الدراسة الصفات الفيزيائية لتربتين من منطقتي داريا وأبي جرش في سوريا، مع التركيز على عمق التربة، نسيجها، الكثافة الظاهرية والحقيقية، والمسامية الكلية. أظهرت النتائج أن الكثافة الظاهرية لتربة داريا أقل من تربة أبي جرش، وذلك بسبب ارتفاع نسبة الطين في تربة داريا. كما زادت الكثافة الظاهرية مع العمق في كلتا التربتين. ووجدت علاقة ارتباط قوية بين الكثافة الحقيقية ونسبة الرمل في تربة داريا، بينما كانت العلاقة عكسية في تربة أبي جرش. كما كان معامل التحديد مرتفعاً للسلت مع الكثافة الحقيقية في تربة داريا، مما يشير إلى جودة معادلة الانحدار التي تمثل العلاقة بين المتغيرين في هذه التربة. تهدف الدراسة إلى تحسين استغلال التربتين وتحسين صفاتهما الفيزيائية للحصول على إنتاجية زراعية أفضل.
Critical review
دراسة نقدية: تعتبر هذه الدراسة مهمة لفهم الصفات الفيزيائية للتربة وتأثيرها على الزراعة، ولكن هناك بعض النقاط التي يمكن تحسينها. أولاً، كان من الأفضل توسيع نطاق الدراسة لتشمل مناطق أخرى للحصول على نتائج أكثر شمولية. ثانياً، لم يتم التطرق بشكل كافٍ إلى تأثير العوامل المناخية على الصفات الفيزيائية للتربة، وهو عامل مهم يجب أخذه في الاعتبار. ثالثاً، كان من الممكن استخدام تقنيات تحليلية أكثر تقدماً للحصول على نتائج أكثر دقة. وأخيراً، لم يتم تقديم توصيات واضحة حول كيفية تحسين الصفات الفيزيائية للتربة بناءً على النتائج المستخلصة، وهو ما كان سيضيف قيمة عملية للدراسة.
Questions related to the research
  1. ما هي الصفات الفيزيائية التي تم دراستها في التربتين؟

    تم دراسة عمق التربة، نسيجها، الكثافة الظاهرية والحقيقية، والمسامية الكلية.

  2. ما هي العلاقة بين نسبة الطين والكثافة الظاهرية في التربتين؟

    وجدت علاقة عكسية بين نسبة الطين والكثافة الظاهرية، حيث تنخفض الكثافة الظاهرية بزيادة نسبة الطين.

  3. كيف تؤثر الكثافة الحقيقية على نسبة الرمل في التربة؟

    في تربة داريا، هناك علاقة طردية قوية بين الكثافة الحقيقية ونسبة الرمل، بينما في تربة أبي جرش، العلاقة عكسية.

  4. ما هو معامل التحديد للسلت مع الكثافة الحقيقية في تربة داريا؟

    معامل التحديد للسلت مع الكثافة الحقيقية في تربة داريا كان مرتفعاً وبلغ 0.98، مما يشير إلى جودة معادلة الانحدار.


References used
الخليفة، أحمد خير الدين عبد السلام. 2005 . دراسة تأثير تعاقب عمليات تراكم و غسل الأملاح في بعض الصفات الفيزيائية لترب منطقة ربيعة - كلية الزراعة و الغابات / جامعة الموصل - العراق.
الزبيدي، أحمد حيدر. 1992 . استصلاح الأراضي الأسس النظرية و التطبيقية – جامعة بغداد – دار الحكمة للطباعة و النشر.
Ali,A.M. 2006. Effect of sulfur Application on salinity Tolerance of plant (c.f). Emerson, W. W. 1959. The structure of soil crumbs. J. Soil Sci., 10: 235- 244. Mohamed ,A.I,O.M.Ali and M.A. Matloub.2007. Effect of soil amendments on some physical and chemical properties of some soils of Egypt under saline irrigation water. African Crop Science. 8: 1571- 1758
Zhao, F. J, S. E. Salman, P. J. A withers, E. J. Evans and J. M Monaghan. 1999. Responses of bread making quality to sulphur in three wheat varieties. J.sci. food Agric.79: 1865-1871
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