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Effect of addition of vermicompost, bio and mineral fertilizer on the availability of some nutrients in soil and potato yield
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Effect of addition of vermicompost, bio and mineral fertilizer on the availability of some nutrients in soil and potato yield
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Journal Article
Effect of addition of vermicompost, bio and mineral fertilizer on the availability of some nutrients in soil and potato yield
2020
Overview
A nitrogenous bio-fertilizer comibination was prepared contain Azospirillum lipoferum, and Azotobacter chroococcum bacteria. A phosphate bio-fertilizer consisting of Bacillus megaterium and Glomus mosseae fungus was also prepared. vermicompost was produced from earthworms imported from Iran and others isolated locally. A factorial experiment was carried to evaluate the effect of the interaction between these combinations and vermicompost types under levels of 0 % , 25 % and 50 % of NPK. The results showed a significant superiority of the bio-fertilizer (nitrogen and phosphate) treatment in available nitrogen in the soil after harvest, number of tubers, yield per plant, and the total yield with 39.70 mg N kg -1, 11.03 tuber plant -1, 1367.40 g plant-1, and 43.76 Mg ha-1 respectively. While phosphate bio fertilizer treatment giving available phosphorus in the soil by 22.74 Mg P kg -1, vermicompost produced from imported earthworms was superior in giving available phosphate in the soil with value 22.74 mg p kg -1. While the tri interaction was superior for all studied characteristics.
حضرت توليفة سماد حيوي نتروجيني مكونة من بكتريا lipoferum Azospirillum و Azotobacter chroococcum كما حضرت توليفة سماد حيوي فوسفاتي مكونة من بكتريا Bacillus megaterium و فطر mosseae Glomus، تم إنتاج السماد الدودي من ديدان أرض مستوردة من أيران و أخرى عزلت محليا. نفذت تجربة عاملية لتقييم تأثير التداخل بين هذه التوليفات و نوعي السماد الدودي تحت مستويات صفر و 25% و 50% من NPK أظهرت النتائج تفوق معاملة توليفة السماد الحيوي الخليط (النتروجيني و الفوسفاتي) معنويا في النتروجين الجاهز في التربة بعد الحصاد و عدد الدرنات و حاصل النبات الواحد و الحاصل الكلي لتعطي قيم 39.70 ملغم Nكغم-1 و 11.03 درنة نبات-1 و 1367.40 غم نبات-1 و 43.76 ميكا غرام هـ-1 على التتابع فيما تفوقت معاملة السماد الحيوي الفوسفاتي في إعطاء فسفور جاهز في التربة بلغ 22.74 ملغم P كغم-1 كما تفوق السماد الدودي المنتج من ديدان أرض مستوردة في جميع الصفات المدروسة. و تفوق التداخل الثلاثي على المعاملات بشكل منفرد و لجميع الصفات المدروسة.
