What does this research mean for the field?

Conservation-oriented tillage systems, particularly no-tillage vegetable systems with high plant diversity, foster a more diverse, functional, and growth-promoting soil microbiome in long-term onion cropping compared to conventional tillage. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

The aim is to explore changes in the soil microbiome associated with different long-term onion cropping systems.

June 1, 2026Frontiers in Environmental ScienceOpen Access

Soil microbiome in long-term onion cropping systems

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Authors

LGLeonardo Khaoê Giovanetti LRLucas Raimundo Rauber EMEdenilson Meyer

Discussion

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Overview

Randomized trial investigates soil microbiome diversity in long-term onion systems, suggesting benefits of conservation practices.

Key Points

The aim is to explore changes in the soil microbiome associated with different long-term onion cropping systems.
Conducted a 17-year long-term experiment in Ituporanga, SC, Southern Brazil.
Analyzed soil samples using next-generation sequencing to examine microbial community structures for CT, NT, and NTVS systems.
Compared microbial communities based on soil management practices and their effects on diversity and function.
NTVS exhibited a higher proportion of beneficial bacteria and reduced unidentified taxa, suggesting greater stability.
NT had a higher relative abundance of archaea, particularly nitrifiers, indicating distinct microbial adaptations.
CT showed prevalence of Firmicutes and Bacillaceae linked to disturbed environments, indicating less functional diversity.

Cite This Study

Giovanetti et al. (2026) studied this question.

synapsesocial.com/papers/6a1d20bc02fbce91306370e2 https://doi.org/10.3389/fenvs.2026.1772808

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June 1, 2026Frontiers in Environmental ScienceOpen Access

Soil microbiome in long-term onion cropping systems

View Full Paper

Ask AI

Bookmark

Authors

LGLeonardo Khaoê Giovanetti LRLucas Raimundo Rauber EMEdenilson Meyer

Discussion

Member takes

Overview

Randomized trial investigates soil microbiome diversity in long-term onion systems, suggesting benefits of conservation practices.

Key Points

The aim is to explore changes in the soil microbiome associated with different long-term onion cropping systems.
Conducted a 17-year long-term experiment in Ituporanga, SC, Southern Brazil.
Analyzed soil samples using next-generation sequencing to examine microbial community structures for CT, NT, and NTVS systems.
Compared microbial communities based on soil management practices and their effects on diversity and function.
NTVS exhibited a higher proportion of beneficial bacteria and reduced unidentified taxa, suggesting greater stability.
NT had a higher relative abundance of archaea, particularly nitrifiers, indicating distinct microbial adaptations.
CT showed prevalence of Firmicutes and Bacillaceae linked to disturbed environments, indicating less functional diversity.

Cite This Study

Giovanetti et al. (2026) studied this question.

synapsesocial.com/papers/6a1d20bc02fbce91306370e2 https://doi.org/10.3389/fenvs.2026.1772808

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