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Background <p>Irrigation using micro-nano bubbles water (MNBW), an innovative micro-nano technology, has been increasingly used in agriculture. Nonetheless, a comprehensive analysis quantifying the effects of MNBW on crop yield across diverse soil conditions, agronomic practices, and crop varieties is still lacking.</p> Methods <p>We conducted a global meta-analysis of 2,398 data pairs from 35 peer-reviewed articles to quantify the effects of MNBW on crop yield, quality, water use efficiency (WUE), plant growth and development, and soil physicochemical and microbial properties under different soil conditions and agronomic management practices.</p> Results <p>MNBW significantly increased crop yield, Vitamin C (Vc) content, and WUE by 13.55%, 18.33% and 11.15%, respectively. Vegetables and fruits showed the most substantial yield increase compared to other crop types. Meanwhile, MNBW application increased root dry weight and photosynthetic rate by an average of 27.21% and 17.38%, respectively. Regarding soil biogeochemistry, MNBW application led to a significant increase (11.06%-34.02%) in soil urease, catalase, phosphatase, and available phosphorus (AP). Random forest analysis demonstrated that the primary factors influencing crop yield and quality enhancement through MNBW include dissolved oxygen content (DOC), AP, soil texture (ST), available nitrogen (AN), crop types (CT), and pH.</p> Conclusion <p>Overall, for soil conditions, MNBW irrigation is most beneficial for crops grown in clay soils with an soil organic matter (SOM) content of 10–20&#xa0;g&#xa0;kg<sup>−1</sup>. In terms of agronomic management, adjusting the DOC in irrigation water to 10–15&#xa0;mg L<sup>−1</sup> with an irrigation once every 5&#xa0;days yielded the best crop responses.</p> Graphical Abstract <p></p>

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Global meta-analysis of micro-nano bubbles aeration irrigation to improve crop yield and quality by regulating soil physicochemical and microbial properties

  • 期刊论文

  • 发表日期：

    2026年1月27日

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  • Jiabin Jiao,
  • Linglulu Sun,
  • Yuan Wang,
  • Zhi Yao,
  • Xinping Chen,
  • Wei Zhang

摘要

Background

Irrigation using micro-nano bubbles water (MNBW), an innovative micro-nano technology, has been increasingly used in agriculture. Nonetheless, a comprehensive analysis quantifying the effects of MNBW on crop yield across diverse soil conditions, agronomic practices, and crop varieties is still lacking.

Methods

We conducted a global meta-analysis of 2,398 data pairs from 35 peer-reviewed articles to quantify the effects of MNBW on crop yield, quality, water use efficiency (WUE), plant growth and development, and soil physicochemical and microbial properties under different soil conditions and agronomic management practices.

Results

MNBW significantly increased crop yield, Vitamin C (Vc) content, and WUE by 13.55%, 18.33% and 11.15%, respectively. Vegetables and fruits showed the most substantial yield increase compared to other crop types. Meanwhile, MNBW application increased root dry weight and photosynthetic rate by an average of 27.21% and 17.38%, respectively. Regarding soil biogeochemistry, MNBW application led to a significant increase (11.06%-34.02%) in soil urease, catalase, phosphatase, and available phosphorus (AP). Random forest analysis demonstrated that the primary factors influencing crop yield and quality enhancement through MNBW include dissolved oxygen content (DOC), AP, soil texture (ST), available nitrogen (AN), crop types (CT), and pH.

Conclusion

Overall, for soil conditions, MNBW irrigation is most beneficial for crops grown in clay soils with an soil organic matter (SOM) content of 10–20 g kg−1. In terms of agronomic management, adjusting the DOC in irrigation water to 10–15 mg L−1 with an irrigation once every 5 days yielded the best crop responses.

Graphical Abstract