Department of Plant Science and Agricultural Resources;
Faculty of Agriculture;
Khon Kaen University;
Khon Kaen;
Thailand;
Department of Agronomy;
Faculty of Agriculture;
Ubon Ratchatani University;
Ubon Ratchatani;
Thailand;
Cassava; Cultivar; Planting; Method; Root; Yield; Nutrient; Removal; Drought;