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Structural and Functional Differences in the Bacterial Community of Chernozem Soil Under Conventional and Organic Farming Conditions

Author

Listed:
  • Darya V. Poshvina

    (Laboratory of Antimicrobial Resistance, Institute of Environmental and Agricultural Biology (X-BIO), University of Tyumen, 625003 Tyumen, Russia)

  • Alexander S. Balkin

    (Laboratory of Biomedical Technologies, Institute for Cellular and Intracellular Symbiosis, Ural Branch of the Russian Academy of Sciences, 560000 Orenburg, Russia)

  • Anastasia V. Teslya

    (Laboratory of Antimicrobial Resistance, Institute of Environmental and Agricultural Biology (X-BIO), University of Tyumen, 625003 Tyumen, Russia
    Laboratory of Biochemistry and Ecology of Microorganisms, All-Russian Institute of Plant Protection, 196608 Pushkin, Russia)

  • Diana S. Dilbaryan

    (Laboratory of Antimicrobial Resistance, Institute of Environmental and Agricultural Biology (X-BIO), University of Tyumen, 625003 Tyumen, Russia)

  • Artyom A. Stepanov

    (Laboratory of Antimicrobial Resistance, Institute of Environmental and Agricultural Biology (X-BIO), University of Tyumen, 625003 Tyumen, Russia)

  • Sergey V. Kravchenko

    (Laboratory of Antimicrobial Resistance, Institute of Environmental and Agricultural Biology (X-BIO), University of Tyumen, 625003 Tyumen, Russia)

  • Alexey S. Vasilchenko

    (Laboratory of Antimicrobial Resistance, Institute of Environmental and Agricultural Biology (X-BIO), University of Tyumen, 625003 Tyumen, Russia)

Abstract

The conventional farming system, which predominates in most countries, is based on the use of agrochemical deep ploughing and other special methods. However, intensive farming has several negative impacts, including soil and water pollution and reduced biodiversity. The microbial community plays a crucial role in maintaining the health of agricultural ecosystems. In this context, we need to study how different agricultural practices affect the structural and functional characteristics of agricultural ecosystems. This study assessed the diversity, structure, and functional characteristics of the soil bacterial community in two different cropping systems. The subjects of the study were soil samples from Chernozem, which had been cultivated using the organic method for 11 years and the conventional method for 20 years. The fields are located in the southern part of the Russian Federation. Our results indicated minimal differences in the microbial diversity and soil community composition between the two systems studied. The profiling of the soil bacterial community revealed differences in the abundances of Proteobacteria, Bacteroidota, and Cyanobacteria, which were predominated in the conventional farming system (CFS), while Methylomirabilota and Fusobacteriota were more abundant in the organic farming system (OFS). Bacterial taxa and functional genes associated with nitrogen, phosphorus, and sulphur cycling were found to be more abundant in CFS soils than in OFS soils. The instrumental measurement of soil metabolic activity and microbial biomass content showed that CFS soils had higher microbiome activity than OFS soils. Overall, the study found that the agronomic practices used in conventional farming not only help to maintain the functional properties of the soil microbiome, but also significantly increase its microbiological activity and nutrient bioconversion, compared to organic farming practices.

Suggested Citation

  • Darya V. Poshvina & Alexander S. Balkin & Anastasia V. Teslya & Diana S. Dilbaryan & Artyom A. Stepanov & Sergey V. Kravchenko & Alexey S. Vasilchenko, 2024. "Structural and Functional Differences in the Bacterial Community of Chernozem Soil Under Conventional and Organic Farming Conditions," Agriculture, MDPI, vol. 14(12), pages 1-16, November.
    • Handle: RePEc:gam:jagris:v:14:y:2024:i:12:p:2127-:d:1528043
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    References listed on IDEAS

    as
    1. Dinesh Panday & Nikita Bhusal & Saurav Das & Arash Ghalehgolabbehbahani, 2024. "Rooted in Nature: The Rise, Challenges, and Potential of Organic Farming and Fertilizers in Agroecosystems," Sustainability, MDPI, vol. 16(4), pages 1-25, February.
    2. Lin Wang & Mandeep Kaur & Ping Zhang & Ji Li & Ming Xu, 2021. "Effect of Different Agricultural Farming Practices on Microbial Biomass and Enzyme Activities of Celery Growing Field Soil," IJERPH, MDPI, vol. 18(23), pages 1-13, December.
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