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Register a new userEffect of organic and bio fertilizers on production of potatoes and some soil properties in Tartous
دراسة تأثير السماد العضوي و الحيوي في إنتاجية نبات البطاطا و في بعض خواص التربة (محافظة طرطوس)
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درس تأثير السماد العضوي (مخلفات الأبقار) و الحيـوي (بكتريـا Azotobacter و بكتريـا محللـة للفوسفات) في إنتاجية نبات البطاطا و بعض خواص التربة، ضمن تجربة حقلية (موسـمي نمـو) فـي محافظة طرطوس، سمدت بعض قطع التجربة بسماد عضوي متخمر (مخلفات أبقار) بمعدل من N يساوي مثيله من سماد اليوريا (توصية وزارة الزراعة لنبات البطاطا) في حين لقحت بعض المعاملات بـالملقح الحيوي، كما سمدت بعض القطع بالسماد العضوي و الحيوي معاً، فضلاً عن وجود الشاهد. قدر الفوسفور المتيسر و الآزوت الكلي و البوتاسيوم المتيسر و المادة العضوية في التربة، حيث لوحظ وجود فروق معنوية في معظم المعاملات الملقحة و كذلك المسمدة بالسماد العضوي مقارنة بالشاهد و كانت أفضل المعاملات المسمدة بالسماد العضوي و الحيوي معاً. كذلك أبدت المعاملة المسمدة بالسماد العضوي و الحيوي معاً فروقاً معنوية مقارنة بجميع المعاملات و خصوصاً في الموسم الثاني من حيث إنتاج البطاطا و كان الموسم الثاني أفضل من الموسم الأول من حيث الفروق المعنوية و الزيادة في الإنتاج.
Effect of organic and bio fertilizers (Azotobacter and phosphate solubilizing bacteria) on production of potatoes and some soil properties was studied in Tartous. The experiment consisted of 4 treatments (control soil, soil+manure, soil+ biofertilizer and soil+manure+biofertilizer) each replicated four time, for 2004 and 2005 seasons. Total N, available P, available K, and organic matter in soil were determined. Significant increases were observed in most of the inoculated and organic fertilized treatments compared with the control. However, the treatment (soil+manure+biofertilizer) was the best and showed significant increases in potato yield compared with other treatments especially in the next season. However, the second season was better in yield increase in all treatments than the first seacon.
References used
Abdel-Ati, Y. Y., Hammad, A. M. M. and Ali, M. Z. H. (1996). Nitrogen fixing and phosphate solubilizing bacteria as biofertilizers for potato plants under Minia conditions.First Egyptian Hungarian Hort.Conf., Kafr El-Sheikh; Egypt. 15 - 17 Sept
Alagawad, I. A. R. and Gaur A. C. (1988). Associative effect of Rhizobium and phosphate solubilizing bacteria on the yield and nutrient uptake of Chickpea. Plant and Soil. 105, 241–246.\
Dashti, N., Zhang, F., Hynes, R., and Smith, D. L. (1997). Application of plant growth protein rhizobacteria to soybean. Plant and Soil.188, 33-41
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