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<p>This systematic review evaluates global research trends, biological mechanisms, and environmental applications of seaweed-based biostimulants and biofertilizers (SBBFs) for sustainable agriculture. It aims to synthesize current knowledge, identify research hotspots, and explore research gaps and future directions, ultimately understanding SBBFs’ role in enhancing crop productivity and resilience while reducing ecological harm.&#xa0;We conducted a comprehensive bibliometric and systematic analysis of 969 articles published between 2003 and 2024, adhering strictly to PRISMA guidelines.&#xa0;Research on SBBFs has rapidly expanded, with annual output increasing significantly to 166 articles in 2023. Key research themes identified include biostimulant mechanisms, antioxidant roles, yield enhancement, stress tolerance, and macroalgae cultivation. Empirical findings confirm SBBFs enhance photosynthesis, nutrient uptake, and root development. Field studies demonstrate notable yield improvements (e.g., + 49% in drought-stressed tomatoes) and improved stress resilience via osmotic regulation and antioxidant defense.&#xa0;SBBFs serve as both productivity enhancers and ecological solutions. Remaining challenges include formulation variability and regional research disparities. Future priorities involve multi-omics-based mechanistic studies, global meta-analyses, and circular economy integration, positioning SBBFs as strategic tools for climate-resilient agriculture and agro-environmental restoration.</p> Graphical Abstract <p></p>

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Future Directions of Seaweed-based Bioeffectors and Biofertilizer

  • 期刊论文

  • 发表日期：

    2026年1月10日

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  • Muhamad Syaifudin,
  • Jialong Xu,
  • Wenkang Fan,
  • Mohamed G. Moussa,
  • Chenhui Zhong,
  • Tangcheng Li,
  • Hong Du

摘要

This systematic review evaluates global research trends, biological mechanisms, and environmental applications of seaweed-based biostimulants and biofertilizers (SBBFs) for sustainable agriculture. It aims to synthesize current knowledge, identify research hotspots, and explore research gaps and future directions, ultimately understanding SBBFs’ role in enhancing crop productivity and resilience while reducing ecological harm. We conducted a comprehensive bibliometric and systematic analysis of 969 articles published between 2003 and 2024, adhering strictly to PRISMA guidelines. Research on SBBFs has rapidly expanded, with annual output increasing significantly to 166 articles in 2023. Key research themes identified include biostimulant mechanisms, antioxidant roles, yield enhancement, stress tolerance, and macroalgae cultivation. Empirical findings confirm SBBFs enhance photosynthesis, nutrient uptake, and root development. Field studies demonstrate notable yield improvements (e.g., + 49% in drought-stressed tomatoes) and improved stress resilience via osmotic regulation and antioxidant defense. SBBFs serve as both productivity enhancers and ecological solutions. Remaining challenges include formulation variability and regional research disparities. Future priorities involve multi-omics-based mechanistic studies, global meta-analyses, and circular economy integration, positioning SBBFs as strategic tools for climate-resilient agriculture and agro-environmental restoration.

Graphical Abstract