An organic-based amendments with biochar and rabbit urine improve maize (Zea mays L.) growth, physiology, and soil microbial activity in acidic soils of Cameroon
This study demonstrates that applying biochar enriched with rabbit urine, either alone or in combination with NPK fertilizer, significantly enhances maize growth, physiological performance, and soil microbial activity in the acidic soils of Cameroon, offering a sustainable and low-cost alternative to conventional mineral fertilization.