ArticleFrontiers in microbiology2025
Effects of long-term continuous cropping on microbial community structure and function in tobacco rhizosphere soil.
Article in Frontiers in microbiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed.
- Community Structure and Soil Environmental Drivers of Rhizosphere and Root Endophytic Microbiota ofBiology · 2026Article
- Chili Pepper-Rice Rotation Alleviates Continuous-Cropping Constraints by Improving Nutrient Availability and Suppressing Pathogens via Rhizosphere Network Rewiring.Plants (Basel, Switzerland) · 2026Article
- An observational comparative study of Hass avocado fruit quality and its associations with rhizosphere soil properties across four representative orchards in China.Frontiers in plant science · 2026Article
- Intercropping tea plants with different leguminous green manures enhances soil nutrient availability, thereby reshaping the structure and functional potential of soil microbial communities.Frontiers in microbiology · 2026Article
- Study on a temperature-dependent selective soil treatment agent in regulating tobacco rhizosphere microbial community and controlling root and stem diseases.Frontiers in microbiology · 2026Article
- Shifts in Dissolved Organic Matter and Microbial Communities Under Continuous Cropping ofBiology · 2025Article
- Convergent-divergent succession of soil microbial communities driven by continuous maize cropping duration via heterogeneous selection processes.Frontiers in microbiology · 2025Article
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10 authors.
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Abstract
As is well known, continuous cropping can lead to a decrease in crop yield and quality. Despite this, continuous cropping remains prevalent in practical agricultural production, particularly in the case of tobacco cultivation, owing to its high economic value. The samples for this study were collected from a flue-cured tobacco planting base located in Huili County, Liangshan Yi Autonomous Prefecture, Sichuan Province, China. After years of continuous planting, the yield of tobacco in this base has significantly decreased. In order to explain the microecological causes of this phenomenon, we collected non-continuous cropping, continuous cropping for 5 years, and continuous cropping for 10 years of tobacco rhizosphere soil, and analyzed the effects of long-term continuous cropping on nutrients, enzyme activities, microbial community structure, and function of tobacco rhizosphere soil. The results showed that with the continuous cropping, the majority nutrients (except for phosphorus and manganese) in rhizosphere soil decreased significantly, and the rhizosphere microbial community structure changed significantly. Correlation network analysis results showed that changes in the rhizosphere microbial community of tobacco were closely related to soil urease, active organic carbon, and available iron content. The results of functional analysis based on microorganisms and genes showed that the rhizosphere microbiota may change the content of soil nutrients through iron_respiration, sulfur_respiration, and Carbon fixation in prokaryotes pathways. The results of the correlation network analysis and the functional analysis mutually confirmed each other, both emphasizing the important role of soil carbon and iron in shaping the structure of the tobacco rhizosphere microbial community. Based on the results of this study, we propose to improve the microbial community structure of tobacco rhizosphere soil by increasing the levels of readily oxidizable organic carbon, available iron, and soil urease activity in the future, so as to alleviate the negative impact of continuous cropping on crop yield. The results of this study provide theoretical support for modifying the rhizosphere microbial environment through nutrient regulation, thereby enhancing plant growth in the context of continuous tobacco cropping.
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