Bacillus velezensis synergizes with coal gangue to enhance Medicago sativa growth: Insights into nutrient cycling and soil fertility enhancement

Puntos clave

• Medicago sativa growth increased significantly with the application of Bacillus velezensis and coal gangue.
• The combination led to a 30% growth enhancement compared to control conditions.
• Assessment using nutrient cycling indicators showed improved soil fertility and microbial activity.
• These findings suggest a synergistic effect that supports sustainable agricultural practices.