Effects of combined humic-microbial amendment on the growth of pakchoi and soil improvement for coal mine subsided area

Key Points

• Pakchoi growth increased significantly with combined humic-microbial amendment, enhancing biomass.
• The study reported a 30% increase in pakchoi height after treatment, indicating strong growth promotion.
• Observational analysis across coal mine subsided areas demonstrated soil improvement with humic-microbial amendments.
• These findings suggest promising applications for rehabilitating degraded land in mining regions.