Camacho, Manuel E., Gilberto Cabalceta-Aguilar, and Eloy Molina-Rojas. 2015. “Effect of Liquid Liming on Sorghum Growth in an Ultisol”. Agronomía Mesoamericana 26 (2):291-303. https://doi.org/10.15517/am.v26i2.19322.