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Bacterial Community Structure and Function in Acid Soil Ecosystem

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Advances in Agricultural and Industrial Microbiology

Abstract

The soil, composed of living and nonliving materials, forms the crust of the earth’s surface and is the base of all terrestrial ecosystems. The pH level of the soil determines the fate of several parameters including nutrient availability and the complex trophic interactions influencing microbial diversity, community structure including metabolic activity and functions. In this chapter we discuss the factors leading to the formation of acidic soils and its impact on the mineral availability, vegetation including crop growth and microbial ecology. The use of high-throughput technologies along with traditional methods to study the microbial diversity specifically bacteria along with their community composition and abundance is discussed. We consider experimental evidences to reveal narrow diversity of bacteria and predominant bacterial group in soils affected by low pH. Soil bacteria being drivers of several ecological events including the nutrient and carbon cycling, decomposition of organic matter, and overall soil health, we examine how these microbial functions particularly those related to agricultural aspects are influenced by acidic soil condition. In spite of the importance of soil acidity in regulating microbial community composition and function, our current knowledge needs further elucidations on the mechanisms underpinning several aspects pertaining to microbial ecology in acidic soils. We draw conclusion by discussing the recent advances and future prospects of increasing our understanding on ecosystem processes that may be possible through use of modern tools and development of experimental methods.

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Correspondence to Madhumita Barooah .

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© 2022 The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

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Barooah, M., Hazarika, D.J., Deka, A. (2022). Bacterial Community Structure and Function in Acid Soil Ecosystem. In: Nayak, S.K., Baliyarsingh, B., Mannazzu, I., Singh, A., Mishra, B.B. (eds) Advances in Agricultural and Industrial Microbiology. Springer, Singapore. https://doi.org/10.1007/978-981-16-8918-5_2

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