Biochar Integrate with Beneficial Microorganisms Boosts Soil Organic Fractions by Raising Carbon-Related Enzymes and Microbial Activities in Coastal Saline-Alkali Land
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View abstract on PubMed
Summary
This summary is machine-generated.Combining biochar and beneficial microorganisms (BM) significantly improves coastal saline-alkali soil by reducing salinity and boosting soil organic carbon (SOC) storage. This integrated approach enhances soil nutrients, enzyme activity, and microbial diversity for better soil health and carbon sequestration.
Area Of Science
- Soil Science
- Environmental Science
- Microbiology
Background
- Saline-alkali soils pose challenges for agriculture and carbon storage.
- Biochar and beneficial microorganisms (BM) show potential for soil amelioration.
- Limited understanding exists on the combined effects of biochar and BM on coastal saline-alkali soils.
Purpose Of The Study
- To investigate the impact of combined biochar and BM application on soil organic carbon (SOC) accumulation.
- To assess changes in soil carbon fractions, enzyme activities, and microbial community composition.
- To determine the optimal application rate for enhancing SOC stability in coastal saline-alkali soil.
Main Methods
- Field experiment with three levels of biochar and BM co-application.
- Analysis of SOC content and fractions (MAOC, POC).
- Measurement of soil carbon cycle enzyme activities and microbial community structure.
Main Results
- Biochar and BM significantly reduced soil salinity and increased nutrient availability (NH4+, NO3-).
- Co-application substantially increased SOC, MAOC, POC, and CPMI.
- Enhanced activities of key carbon cycle enzymes (glucosidases, cellulase) were observed.
- Improved bacterial diversity and altered microbial community composition.
Conclusions
- Combined biochar and BM application is effective in ameliorating coastal saline-alkali soils.
- This strategy enhances SOC accumulation and improves soil carbon pool stability.
- The 4% biochar and BM combination demonstrated the highest potential for SOC stabilization.
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