استخدام علم جيوكيمياء التربة لتعزيز التنمية المستدامة: دراسة حالة لمنطقتي وادي الخالي ووادي الحميم، شمال شرق ليبيا
DOI:
https://doi.org/10.65405/km7tam42الكلمات المفتاحية:
الملاءمة الزراعية، جيوكيمياء التربة، التنمية المستدامة، ليبيا.الملخص
أُجري تقييم جيوكيميائي لتربة الهولوسين في منطقتي وادي الخالي ووادي الحميم بهدف ربط جيوكيمياء التربة بالتنمية المستدامة في ليبيا. أشارت نسبة أكسيد الكالسيوم (CaO) إلى أن العينات المدروسة تنتمي إلى فئة التربة الكلسية. ويبدو أن منطقة المصدر قد تعرضت لتجوية تتراوح بين الخفيفة والشديدة، كما يتضح من قيم CIA وCIW وRR وPIA. وتؤكد قيم K2O/Al2O3 وCIA وT غلبة الظروف شبه الجافة إلى شبه الرطبة. تتكون التربة من رواسب غير ناضجة وتتميز بانخفاض إنتاجيتها القديمة. كانت بيئة الترسيب بحرية شبه مؤكسدة، كما يتضح من قيم Ca وCa+Fe وMgO وFe2O3 وFe/Al و Ca/(Ca+Fe) وAl/(Al+Fe). وبناءً على نسب Ca/Mg وK/Mg وP/S وK/Na وFe/Mn، يمكن تصنيف التربة على أنها مناسبة للزراعة بشكل هامشي (الفئة S3).
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