Traditional potato tillage systems in the Peruvian Andes impact bacterial diversity, evenness, community composition, and functions in soil microbiomes

The soil microbiome, a crucial component of agricultural ecosystems, plays a pivotal role in crop production and ecosystem functioning. However, its response to traditional tillage systems in potato cultivation in the Peruvian highlands is still far from understood. Here, ecological and functional a...

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Published in:Scientific reports 2024-02, Vol.14 (1), p.3963-12, Article 3963
Main Authors: García-Serquén, Aura L., Chumbe-Nolasco, Lenin D., Navarrete, Acacio Aparecido, Girón-Aguilar, R. Carolina, Gutiérrez-Reynoso, Dina L.
Format: Article
Language:English
Subjects:
631/158/855
631/326/171/1818
Agricultural ecosystems
Agriculture
Bacteria
Bioindicators
Community composition
Crop production
Ecological function
Humanities and Social Sciences
Indicator species
Metabolic pathways
Microbiomes
multidisciplinary
Potatoes
Science
Science (multidisciplinary)
Soil microorganisms
Soils
Stochasticity
Taxonomy
Tillage
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Summary:The soil microbiome, a crucial component of agricultural ecosystems, plays a pivotal role in crop production and ecosystem functioning. However, its response to traditional tillage systems in potato cultivation in the Peruvian highlands is still far from understood. Here, ecological and functional aspects of the bacterial community were analyzed based on soil samples from two traditional tillage systems: 'chiwa' (minimal tillage) and 'barbecho' (full tillage), in the Huanuco region of the Peruvian central Andes. Similar soil bacterial community composition was shown for minimal tillage system, but it was heterogeneous for full tillage system. This soil bacterial community composition under full tillage system may be attributed to stochastic, and a more dynamic environment within this tillage system. 'Chiwa' and 'barbecho' soils harbored distinct bacterial genera into their communities, indicating their potential as bioindicators of traditional tillage effects. Functional analysis revealed common metabolic pathways in both tillage systems, with differences in anaerobic pathways in 'chiwa' and more diverse pathways in 'barbecho'. These findings open the possibilities to explore microbial bioindicators for minimal and full tillage systems, which are in relationship with healthy soil, and they can be used to propose adequate tillage systems for the sowing of potatoes in Peru.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-024-54652-2