Velásquez Marin, Magda, María Sofía Del Cielo Gutiérrez Aguilar, and Marielle Andrea Delgado Mantilla. “Efficacy of Cattle Manure-Derived Biochar for the Remediation of Lead-Contaminated Soils”. LACCEI 1, no. 14 (July 27, 2026). Accessed October 2, 2026. https://proceedings.laccei.org/index.php/laccei/article/view/6864.