ArticleFrontiers in microbiology2025
Tobacco intercropping enhances soil fertility by improving synergic interactions between soil physicochemical and microbial properties.
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 4 papers, 1 of them a synthesis that pooled it.
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4 citing papers in PubMed, 1 synthesis or guideline pooled it.
- A Systematic Review of Soil Properties to Support Mycotoxin Model Development with In-Field Soil Sensing.Sensors (Basel, Switzerland) · 2026Pooled it
- Maize Relay Intercropping with Tobacco Enhances Soil Buffering Capacity and Maintains Yield Under Continuous Cropping.Plants (Basel, Switzerland) · 2026Article
- Shifts in Dissolved Organic Matter and Microbial Communities Under Continuous Cropping ofBiology · 2025Article
- Effects of soybean intercropping density on photosynthetic characteristics and disease resistance in tobacco.Frontiers in plant science · 2025Article
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Authors and funding
12 authors.
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Abstract
Introduction: Intercropping tobacco with other crops has been shown to upregulate soil health by fostering synergistic interactions between physicochemical and microbial properties. This study aims to evaluate the impact of intercropping on physicochemical attributes, rhizospheric microbial community, and functional dynamics of soil cultivated with tobacco plants. Methods: A field experiment was comprised with five treatments, such as tobacco monoculture (TT), soybean monoculture (SS), maize monoculture (MM), tobacco-soybean intercropping (TS), and tobacco-maize intercropping (TM). Soil nutrients observed, while bacterial and fungal community profiles were assessed through high-throughput sequencing targeting the 16S rDNA and ITS hypervariable regions. Microbial interactions and network resilience were assessed through co-occurrence network analysis. Results: Intercropping significantly improved the soil nutrient properties. Compared with tobacco monoculture (TT), the tobacco-soybean intercropping (TS) treatment enhanced cation exchange capacity (CEC), total nitrogen (TN), available phosphorus (AP), and available potassium (AK) by 13.9, 13.9, 43.8, and 129.1%, respectively. Tobacco-maize intercropping (TM) enhanced CEC (26.7%) and AK (9.7%). Both intercropping models significantly increased bacterial species richness in tobacco soil, whereas fungal diversity was more pronounced under monoculture conditions. Intercropping favored the proliferation of Discussion: Intercropping systems substantially improved soil ecological functionality by modulating microbial community composition and nutrient dynamics. Tobacco-maize intercropping reinforced soil ecosystem stability through enrichment of functional microorganisms and optimization of community architecture, while tobacco-soybean intercropping leveraged nitrogen fixation by legumes to augment nitrogen availability and facilitate the establishment of nitrogen-cycling microbes, demonstrating superior efficacy in enhancing soil fertility. These findings suggest that tobacco intercropping can be sustainable agricultural strategy to maintain soil health and productivity in the era of climate change.
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