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Phosphate Mobilisation by Soil Microorganisms

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Principles of Plant-Microbe Interactions

Abstract

Microorganisms are fundamental to the cycling of phosphorus (P) in soil-plant systems as they are involved in a range of processes that govern P transformations and availability. Soil microorganisms in particular are able to release plant available P from otherwise sparingly available forms of soil P, through solubilisation and mineralisation reactions of inorganic and organic P, respectively. The potential of phosphate solubilising microorganisms (PSM) to improve plant P nutrition is widely recognised, and the mechanisms involved are being investigated. The feasibility of developing efficient management systems based on PSM as biofertilisers is of current interest in rhizosphere biotechnology . Mycorrhizosphere interactions involving PSM and their interaction with AM fungi is of further relevance for the acquisition, transport and supply of P to plant roots, and therefore to soil P cycling and plant P nutrition. Managing these interactions (mycorrhizosphere tailoring) provides an environmentally-acceptable agro-technological practice to improve agricultural sustainability.

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Correspondence to José-Miguel Barea .

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Barea, JM., Richardson, A. (2015). Phosphate Mobilisation by Soil Microorganisms. In: Lugtenberg, B. (eds) Principles of Plant-Microbe Interactions. Springer, Cham. https://doi.org/10.1007/978-3-319-08575-3_24

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