Early shifts in soil microbial community structure and functions upon application of a biofertilizer in a kaki (Diospyros kaki) orchard
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View abstract on PubMed
Summary
This summary is machine-generated.Biofertilizers reshape soil microbial communities and enhance functions like nitrogen mineralization, boosting sustainable agriculture. This study reveals how biofertilizer application impacts soil health and microbial biodiversity over time.
Area Of Science
- Agricultural Science
- Soil Science
- Microbiology
Background
- Biofertilizers are crucial for sustainable agriculture and soil health.
- Their precise impact on soil functions and microbial communities requires further elucidation.
Purpose Of The Study
- To assess the effects of periodical biofertilizer application on soil microbial communities, physicochemical properties, and functions in a kaki monoculture over 18 months.
Main Methods
- Analysis of soil microbial community structure (bacterial and fungal diversity).
- Measurement of soil physicochemical properties and functional indicators (microbial biomass, enzyme activities).
- Microbial co-occurrence network analysis integrated with functional traits.
Main Results
- Biofertilizer application significantly altered bacterial and fungal community composition and bacterial diversity.
- Key soil functions, including microbial biomass, nitrogen mineralization, and dehydrogenase activity, were increased, while acid phosphatase activity decreased.
- Microbial co-occurrence networks showed distinct patterns between treated and control soils, with core networks related to nutrient cycling persisting.
Conclusions
- Biofertilizers indirectly modulate soil microbial communities, influencing soil functions and health.
- Microbial biodiversity and community assembly are vital for maintaining soil functions under biofertilizer treatments.
- The study highlights the persistence of essential microbial networks involved in nutrient cycling despite agricultural interventions.
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