Asian Journal of Microbiology, Biotechnology & Environmental Sciences Paper

Vol 15 Issue 1, 2013; Page No.(93-98)

INFLUENCE OF BIODYNAMIC COMPOST BD 500 ON GROWTH AND DEVELOPMENT OF LEAFY VEGETABLE AMARANTHUS VIRIDIS

V. SAILAJA, N. NAGA RAGINI, A. AND C.V. NARASIMHA MURTHY

Abstract

Field experiments were conducted from June 2010 to April 2012 at Jawahar Bharati Degree and P.G.College gardens in order to evaluate the potential of utilizing Biodynamic compost BD 500 as a potential fertilizer, on the leafy vegetable Amaranthus viridis. The biomass, shoot length and root length were recorded in control and Biodynamic compost BD 500treated plants. The total microbial count and the physicochemical properties of the soil such as pH, EC, N, P, K and OC (organic carbon) were analyzed. Quantity of Phytohormones like Indole acetic acid (IAA), Gibberlic acid (GA3), kinetin and Abscisic acid in the manure samples by the method of Unyayar et al., (1996). There is an increase in biomass (69.8%), shoot length (35.2 %) and root length (70.35 %) in Biodynamic compost BD 500 treated plants over control. The chromatographic analysis of leaf revels that there is an increase in the carbohydrate, vitamin and mineral content of the leaf. The total viable count and the total bacterial count of Rhizobium, Azospirillum and Actinomycetes were enhanced in Biodynamic compost BD 500treated soil. Plant growth substances present in Biodynamic compost BD 500 treated soil help to bring rapid changes in phenotypes of plants and also improves the growth and ultimately improve the productivity of Amaranthus viridis.

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