Home Publications & Data Manual A simplified crossing method for rice breeding: a manual author(s) Sarkarung, Surapong published in1991 regions Colombia Brazil original file download full citation Sarkarung, Surapong. 1991. A simplified crossing method for rice breeding : A manual. Centro Internacional de Agricultura Tropical (CIAT), Cali, CO. 32 p. (CIAT publication no. 197)