ArticleFrontiers in microbiology2025
Isolation and growth-promoting mechanisms of phosphate-solubilizing bacteria from Qinghai-Tibet Plateau in
Article in Frontiers in microbiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: The recovery of slopes in high-altitude areas is often challenging due to insufficient nutrients in the soil, with phosphorus deficiency being a key limiting factor for plant growth. This study aimed to screen highly efficient phosphate-solubilizing bacterial (PSB) strains from undisturbed regions of the Qinghai-Tibet Plateau and investigate their growth-promoting effects on Methods: Three strains, Results: The results of potted plant experiments showed that the inoculation of the three strains increased the biomass of the seedlings to varying degrees (29.9% - 133.5%) and improved the soil nutrient content and enzyme activity. Among these, Q4 and Conclusion: The results suggested that phosphate-solubilizing bacteria could promote the growth of leguminous plants. The study provides a novel approach by leveraging the indirect effects of microbes, that is, increasing soil nutrient content and enzyme activity, to improve the soil environment, which may provide new ideas and methods for ecological restoration in China and similar high-altitude areas in the world.
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