citation
Roy, A.C.; Sarkarung, Surapong; Zeigler, Robert S. 1992. Nutrition of savanna rice lines under Colombian savanna soil conditions. In: Cuevas Pérez, Federico E. (ed.). International Rice Conference for Latin America and the Caribbean (8, 1991, Villahermosa, Tabasco, México). Rice in Latin America: Improvement, management, and marketing: Proceedings. Centro Internacional de Agricultura Tropical (CIAT); International Rice Research Institute (IRRI), Cali, CO. p. 265.