Fiallos-Ortega, Luis Rafael, Luis Gerardo Flores-Mancheno, Nelson Duchi-Duchi, Cesar Ivan Flores-Mancheno, Darío Baño-Ayala, and Luis Estrada-Orozco. 2015. “Soil Ecological Restoration Applying Biochar (charcoal) and Its Effects on the Medicago Sativa Production”. Ciencia Y Agricultura 12 (2):13-20. https://doi.org/10.19053/01228420.4349.