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<p>Plant Growth-Promoting Rhizobacteria (PGPR) are key bio-agents for sustainable agriculture. This review conceptualizes PGPR as rhizosphere engineers that enhance soil nutrients, restructure microbial networks, and boost plant stress tolerance. While their mechanisms are well-understood in the lab, a significant translational gap limits field efficacy due to inconsistent colonization and environmental context-dependency. We critically analyze this gap and propose integrated strategies—from advanced formulations to synthetic consortia—to unlock the reliable application of PGPR for global food security.</p>

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PGPR-mediated enhancement of soil nutrients, rhizosphere microbial ecology, and plant growth: a review

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年3月23日

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  • Mengjiao Wang,
  • Zhimin Xu

摘要

Plant Growth-Promoting Rhizobacteria (PGPR) are key bio-agents for sustainable agriculture. This review conceptualizes PGPR as rhizosphere engineers that enhance soil nutrients, restructure microbial networks, and boost plant stress tolerance. While their mechanisms are well-understood in the lab, a significant translational gap limits field efficacy due to inconsistent colonization and environmental context-dependency. We critically analyze this gap and propose integrated strategies—from advanced formulations to synthetic consortia—to unlock the reliable application of PGPR for global food security.