ORIGINAL RESEARCH article
Front. Plant Sci.
Sec. Plant Symbiotic Interactions
Rotation of Soybean and Corydalis yanhusuo Enhances Yield and Active Compounds of C. yanhusuo via Soil Nutrient Optimization and Rhizosphere Microbiome Engineering
Provisionally accepted
- Jinhua Academy, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Jinhua, China
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Corydalis yanhusuo W.T. Wang, a herb in the Papaveraceae family used for pain treatment, faces challenges with continuous cropping. Crop rotation with soybean can mitigate soil issues and facilitate the development of subsequent crops. This study evaluated how varying durations of soybean–C. yanhusuo rotation affect yield and active component of C. yanhusuo, soil nutrients, and microbial communities. Rotation with soybean progressively improved yield and active component of C. yanhusuo. Concurrently, soil organic matter, total/hydrolysable nitrogen, and soil enzyme activities improved over time. Microbial OTUs increased in the bulk soil, rhizosphere soil, and roots, along with significant improvements in α-diversity. Over time, the Proteobacteria and pathogenic genera decreased, while Firmicutes and other beneficial genera increased. Network complexity and functions related to nitrate denitrification, cellulolysis, and xylanolysis improved with increased rotation duration. Significant positive correlations were detected between Bacillus, Mortierella, Trichoderma, and yield, medicinal components in C. yanhusuo, and soil nutrients. Structural equation modelling revealed that crop rotation affects C. yanhusuo yield by influencing the microbial community, which in turn alters soil nutrients. The soybean–C. yanhusuo rotation system enhances C. yanhusuo yield and active component content by improving soil nutrients and microbial diversity, providing valuable insights for sustainable medicinal plant cultivation.
Keywords: Corydalis yanhusuo1, soybean2, yield3, Active component4, soil nutrient5, microbial community6
Received: 25 Aug 2025; Accepted: 12 Nov 2025.
Copyright: © 2025 Liu, Yuan, Zhang, Sheng, Zhu, Sui and Wang. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence:
Ning Sui, suining_leo@163.com
Hui Wang, whzcmu@126.com
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