THE INFLUENCE OF HERBICIDES ON THE NUMBER OF MICROORGANISMS AND THE BIOLOGICAL ACTIVITY OF THE SOIL IN THE SOYBEAN AGROCENOSIS

Journal Title: Наукові доповіді НУБіП України - Year 2017, Vol 2, Issue 2

Abstract

In view of the fact that biological diversity, being the basis of living matter of the biosphere, determines the sustainability of ecosystems on the Earth, it is relevant to monitor and evaluate all factors that can influence the state of the aerosphere, identify risk factors, and identify links between them. In the article, generally accepted methods of conducting field experiments, methods of soil microbiology, methods of biochemistry were used. In the field experiments, the effect of herbicides imazamox and clomazone on the number of microorganisms of the main ecology-trophic and taxonomic groups in the soy rhizosphere was studied. The regular effect of preparations in the V2 phase of soybean plants as compared to the soil of the natural ecosystem has been established. It has been suggested that bacteria belonging to the clomazone preparation can use the mineral nitrogen of the soil. The number of mycelial microorganisms (streptomycetes and micromycetes) increased in the phases V 2 and R 2 for soybean plants by 30-40% and 10-15%, respectively. More sensitive to the effects of herbicides were indicators of biological activity of the soil. Thus, the influence of herbicides imazamox and clomazone was significant at the initial stages of plant development, since the R 2 phase, the effect on the indices of the number of microorganisms, the biological activity of the soil and the activity of the symbiotic system was significantly reduced and leveled at the end of the vegetation. A representative index is the phytotoxicity of the soil when using the drugs under study.

Authors and Affiliations

I. S. Brovko, V. U. Jashchuk, Y. V. Chabaniuk

Keywords

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  • EP ID EP260950
  • DOI -
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How To Cite

I. S. Brovko, V. U. Jashchuk, Y. V. Chabaniuk (2017). THE INFLUENCE OF HERBICIDES ON THE NUMBER OF MICROORGANISMS AND THE BIOLOGICAL ACTIVITY OF THE SOIL IN THE SOYBEAN AGROCENOSIS. Наукові доповіді НУБіП України, 2(2), -. https://europub.co.uk/articles/-A-260950