Álvarez Solís, J. D., R. Muñoz-Arroyo, E. Huerta-Lwanga, and J. Nahed-Toral. “Partial Nitrogen Balance in the Crippong System of Corn (<i>Zea mays</i≫ L.) With Leguminous Cover in Chiapas, Mexico”. Agronomía Costarricense, vol. 40, no. 1, June 2016, doi:10.15517/rac.v40i1.25322.