Contrasting acidic and alkaline biochar reprogram alfalfa metabolism and rhizosphere microbiomes in saline-alkali soils
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Implication
Integrative analyses reveal biochar guidelines enhance alfalfa performance in saline-alkali soils, suggesting sustainable rehabilitation strategies.
Key Points
- This study investigates how different types of biochar affect alfalfa growth and soil microbiomes in saline-alkali conditions.
- Applied acid-modified biochar and alkaline biochar at various concentrations in pot experiments
- Analyzed soil geochemical properties, plant physiology, and rhizosphere microbial communities
- Compared effects of low-dose AC-biochar and high-dose AL-biochar on alfalfa performance
- AC-biochar improves root development and activates secondary metabolite production
- AL-biochar enhances biomass and forage quality by boosting amino acid metabolism and bacterial diversity
- Both biochar types significantly ameliorate soil conditions, promoting nutrient cycling and crop resilience.
Cite This Study
Liu et al. (2026) studied this question.