أثر تطبيق حمأة الصرف الصحي على الكتلة الحيوية الجافة والمخزون الخشبي لمشجر للأوكاليبتوس المنقاري في فديو (اللاذقية)
Abstract
أجريت هذه الدراسة خلال عامي 2013 -2015, وقد هدفت إلى تقييم الآثار الناتجة عن تطبيق حمأة الصرف الصحي الجافة على إنتاجية الكتلة الحيوية الجافةوالمخزون الخشبي في مشجر للأوكاليبتوس المنقاري تم إنشاؤهعلى تربة رملية في مزرعة فديو (اللاذقية) في نيسان 2013. قمنا بمقارنة أربع معاملات تجريبية عند عمر 22 شهراً وهي:SS1 (حمأة صرف صحي3 كغ/غرسة), SS2 (حمأة صرف صحي6 كغ/ غرسة), MF (سماد معدني), C (دون إضافة سماد أو حمأة). حيث بلغت إنتاجية الكتلة الحيوية الجافة فوق سطح الأرض والمخزون الخشبي في المعاملة SS1 حوالي107.60 طن/ الهكتار و121.13 م3/ الهكتارعلى التوالي ومعاملة السماد المعدني (87.52 طن/الهكتار و96.98 م3/ الهكتار) ومعاملة SS2(91.12 طن/الهكتار و103.42 م3/ الهكتار), وكانت أعلى مقارنة مع معاملة الشاهد (43.89 طن/ الهكتار و51.32 م3/ الهكتار),. This study was carried out during 2013 – 2015 and aimed to assess the effects of applying dry sewage sludge on dry biomass production and wood volume of Eucalyptus camaldulensis plantation established on sandy soil in Fedio plantation-Lattakia at April -2013. Four experimental treatments were compared at age 22 months: SS1 (sewage sludge 3 kg/tree), SS2 (sewage sludge 6 kg/tree), MF (mineral fertilizer), and C (no fertilizer applications). Aboveground dry biomass production and wood volume in the SS1 treatment were about 107.60 t/ ha and 121.13 m3/harespectively, MF treatment (87.52 t/ha, 96.98 m3/ha) and SS2 treatment (91.12 t/ha, 103.42 m3/ha)and higher than in the control treatment (43.89 t/ha, 51.32 m3/ha ).Downloads
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