Volveras-Mambuscay, B., Merchancano-Rosero, J. D., López-Rendón, J. F., & Campo-Quesada, J. M. (2021). Soil loss in the wachado old system in the upper tropics of Nariño, Colombia. Agronomía Mesoamericana, 32(1), 120–136. https://doi.org/10.15517/am.v32i1.39284