Hyun-Hwoi Ku1, Keiichi Hayashi2, Ruth Agbisit2, Gina Villegas-Pangga3, Sang-Eun Lee4 and Changyoon Jeong5, (1)Red River Research Station, LSU AgCenter, LSU Agricultural Center - Baton Rouge, Bossier City, LA, (2)Crop and Environmental Science Division, International Rice Research Institute, Los Banos, Philippines, (3)Farming Systems and Soil Resources Institute, Agricultural Systems Cluster, University of the Philippines Los Banos, Los Banos, Philippines, (4)Department of Plant Life and Environmental Sciences, Hankyong National University, Anseong-si, Korea, Republic of (South), (5)Louisiana State University, Louisiana State University, Bossier City, LA