Summary
This systematic review compiles evidence on how phosphate-solubilising bacteria enhance crop phosphorus acquisition and use efficiency through mechanisms including organic acid production and phosphatase enzyme activity. The authors synthesise findings on PSB effects at structural, functional and transcriptional levels in crop roots, and contextualise these within frameworks for co-optimising PSB-fertiliser-crop interactions. The review establishes connections between PSB application, phosphorus fertilisation impacts on microbial diversity, and improved agroecosystem production and sustainability.
Regional applicability
The review is globally focused with no specific geography identified in the abstract. Findings on PSB mechanisms and phosphorus use efficiency are potentially applicable to United Kingdom arable and horticultural systems, particularly in contexts where phosphate fertiliser cost or supply is limiting, though field validation under UK soil and climate conditions would be warranted.
Key measures
PSB-mediated phosphorus solubilisation, mineralisation and mobilisation rates; crop root structural and functional responses; gene expression changes; phosphorus uptake efficiency; agronomic yield and profitability metrics
Outcomes reported
The review synthesises evidence on mechanisms by which phosphate-solubilising bacteria (PSB) enhance crop phosphorus acquisition through organic acid production, phosphatase activity, and effects on root system development. It examines the agronomic profitability and sustainability benefits of co-applying PSB with mineral and organic phosphate fertilisers in cropping systems.
Topic tags
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