A characteristic analysis of compost and rhizosperic microorganisms to enhance plant growth

J. Jelin Ilayaraja, M. S. Dhanarajan
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Abstract

Composting is associated with reclamation, recycling, treatment and disposal of wastes. Waste management remains the major concern for many industries for years. The process of treating organic waste has benefits such as improved sanitation production of renewable products less load in eco system and is an effective method of degrading organic waste containing hazardous compounds. The present study deals with the conversion of waste organic products into a useful by product, compost which is used to enhance growth of crops with combinations of microorganisms. The physical characteristics such as temperature, pH, ash content, moisture content, carbon content and C: N ratio was determined at every 15 days interval. The microbiological characteristics such as standard plate count, biochemical and physiological tests were done to identity and characterize strain according to Bergey's manual of determinative Bacteriology. The micro flora analysis explains the micro biota at various stages with different characteristic degrading ability. The study reveals the efficiency of these organisms as plant growth promoting rhizobacteria (PGPR). Combinations of microorganisms with compost act as a good biofertilizer which improves the fertility of soil and increases plant growth. Better results are produced by mixed organisms like Azospirillum, Rhizobium and Pseudomonas (T4). The least growth was found in the inoculation of Bacillus and Azotobacter with soil. Based on this study we conclude that the rhizospheric organisms play well as plant growth promoting agents and gives a better yield and growth of plants. It also increases the fertility of soil and does not cause any pollution to the environment and can be commercialized for organic farm practices.
堆肥和根际微生物促进植物生长的特性分析
堆肥与废物的回收、再循环、处理和处置有关。多年来,废物管理仍然是许多行业关注的主要问题。有机废物处理过程具有改善卫生条件、生产可再生产品、减少生态系统负荷等优点,是降解含有害化合物有机废物的有效方法。目前的研究涉及将废弃的有机产品转化为有用的副产品,堆肥,用于与微生物组合促进作物的生长。每隔15 d测定一次温度、pH、灰分、水分、碳含量、C: N比等物理特性。微生物学特征,如标准平板计数,生化和生理试验进行鉴定和表征菌株根据Bergey的测定细菌学手册。微生物区系分析解释了不同阶段具有不同特征降解能力的微生物群。该研究揭示了这些生物作为植物生长促进菌(PGPR)的效率。微生物与堆肥的组合是一种很好的生物肥料,可以提高土壤肥力,促进植物生长。偶氮螺旋菌、根瘤菌和假单胞菌(T4)等混合微生物效果更好。在土壤中接种芽孢杆菌和固氮菌,其生长最少。本研究表明,根际微生物是植物生长促进剂,对植物的产量和生长有较好的促进作用。它还增加了土壤的肥力,不会对环境造成任何污染,可以用于有机农业实践的商业化。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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