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Abstract

Environmental Analysis & Ecology Studies

The Effect of Specific Soil Microorganisms on Soil Organic Matter and Stabilization of Quality Parameters under Drought Conditions

  • Open or CloseJurys A* and Feizienė D

    Department of Plant Nutrition and Agroecology, Lithuanian Research Centre for Agriculture and Forestry, Lithuania

    *Corresponding author: Jurys A, Department of Plant Nutrition and Agroecology, Lithuanian Research Centre for Agriculture and Forestry, Institute of Agriculture, Lithuania

Submission: December 22, 2020; Published: November 16, 2021

DOI: 10.31031/EAES.2021.09.000708

ISSN: 2578-0336
Volume 9 Issue 2

Abstract

Soil chemical, biological and physical properties play important role in soil quality and are related with increasing OM, plant nutrient content and availability, soil microbiologcal activity. New generation of soil amendments with specific soil microorganizms are great interest worldwide. Field experiments were carried out in 2018-2019 in Institute of Agriculture, Lithuanian Research Centre for Agriculture and Forestry. The aim was to determine the effect of bio-products with Trichoderma reesei, Acinetobacter calcoaceticus and Bacillus megaterium on soil SOC, soil respiration and microbial biodiversity on loamy Cambisol. Under dry meteorological conditions, bio-products with Trichoderma reesei, Acinetobacter calcoaceticus and Bacillus megaterium caused increase in SOC content, C/N ratio, Humic/Fulvic acids ratio, increased soil respiration and microbial biodiversity. We concluded that use of mixture of three products: Trichoderma reesei + Acinetobacter calcoaceticus + Bacillus megaterium are the most promising bio-amendment under changing climate conditions.

Keywords: Soil organic carbon; PGPR; PGPF; AWCD

Abbreviations: SOC: Soil Organic Carbon; PGPR: Plant Growth-Promoting Rhizobacteria; PGPF: Plant Growth-Promoting Fungi; AWCD: Average Well Colour Development; R - Richness

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