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The varying promotion effects of fulvic acid with different molecular weights on the enhancement of grain yield and quality of winter wheat

Author

Listed:
  • Yuanyuan Liang

    (College of Resources and Environment, Henan Agricultural University, Zhengzhou, P.R. China)

  • Zeping Wang

    (College of Resources and Environment, Henan Agricultural University, Zhengzhou, P.R. China)

  • Qiuzhe Shi

    (College of Resources and Environment, Henan Agricultural University, Zhengzhou, P.R. China)

  • Fang Li

    (College of Resources and Environment, Henan Agricultural University, Zhengzhou, P.R. China)

  • Zunkang Zhao

    (Key Innovation Center for the Integration of Industry and Education on Comprehensive Utilization of Agricultural Wastes and Prevention and Control of Agricultural Non-point Pollution of Jiangxi Province, Jiangxi Agricultural University, Nanchang, P.R. China)

  • Yanlai Han

    (College of Resources and Environment, Henan Agricultural University, Zhengzhou, P.R. China
    State Key Laboratory of Wheat and Maize Crop Science, Henan Agricultural University, Zhengzhou, P.R. China)

  • Yi Wang

    (College of Resources and Environment, Henan Agricultural University, Zhengzhou, P.R. China
    State Key Laboratory of Wheat and Maize Crop Science, Henan Agricultural University, Zhengzhou, P.R. China)

Abstract

This study aims to verify the application effect of Fluvic acid (FA) with different molecular weights (MW) on the growth and quality of winter wheat. FA extracted from lignite was divided into 3 MWs (W1≤3000 D, 3000 D10000 D) by dialysis, and its structure was analyzed. Three application rates were set for each MW FA in the pot experiment, which were 10, 25 and 50 mg/kg in soil, respectively, and water was the control. There were significant interactive effects of MW and application rates of FAs. Compared with the control, all the FA treatments significantly increased grain yields, nitrogen uptake efficiencies, grain iron concentration, and soil available nitrogen concentration. Heatmap analysis revealed that the W1C2 (10 mg/kg W1) treatment had the most significant impacts for all analyzed indexes, whereas W3C3 (50 mg/kg W3) showed the weakest impacts. The results showed that at a low application rate (10 mg/kg in soil), the promotion effects of the three MW FAs were similar. W1 showed the most significant promotion effects, which was attributed to the combined effects of its lower MW and functional group characteristics.

Suggested Citation

  • Yuanyuan Liang & Zeping Wang & Qiuzhe Shi & Fang Li & Zunkang Zhao & Yanlai Han & Yi Wang, 2023. "The varying promotion effects of fulvic acid with different molecular weights on the enhancement of grain yield and quality of winter wheat," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 69(4), pages 141-151.
    • Handle: RePEc:caa:jnlpse:v:69:y:2023:i:4:id:391-2022-pse
    DOI: 10.17221/391/2022-PSE
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    References listed on IDEAS

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    1. N. Przulj & V. Momčilović, 2003. "Dry matter and nitrogen accumulation and use in spring barley," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 49(1), pages 36-47.
    2. Robert J. Walker, 2016. "Population Growth and its Implications for Global Security," American Journal of Economics and Sociology, Wiley Blackwell, vol. 75(4), pages 980-1004, September.
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