Majengo, Collins Otieno, Jonathan Mutonyi, Caroline Agamala Kundu, and Francis Namasake Muyekho. 2026. “Effect of Biochar Mixed With Different Phosphorus Rates on Selected Soil Chemical Properties in Western Kenya”. AgroEnvironmental Sustainability 4 (1): 26–34. https://doi.org/10.59983/s2026040104.