Humic acid has a wide range of sources,simple preparation process,and low preparation cost.Humic acid has a significant promoting effect on the growth and development of plants.Basing on this,it has great potential to be applied in agricultural production as a plant stimulant.Due to the above reasons,research on the extraction and application of humic acid has gradually increased in recent years.In this study,the existing research results are summarized,and the promotion effect and mechanism of humic acid on plant growth and development,the improvement effect on farmland soil,the promotion effect on rhizosphere microbial growth,and the inhibition effect on plant disease bacteria are elaborated in detail.In addition,in this study,the current status of the application of humic acid in agricultural production is summarized.Based on the above summary,this study reveals the important role and enormous potential of humic acid in promoting agricultural production,and points out the direction for the future development of humic acid.
humic acidplant growth promotionsoil improvementpathogenic microorganism inhibitionagricultural production
国家科技期刊平台
NSTL
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