by Kitti Wongpichet(Ubon Rajathanee University, Ubon Ratchathani (Thailand). Faculty of Agriculture), Seree Wongpichet(Khon Kaen University, Khon Kaen (Thailand). Faculty of Engineering), Somkid Thani(Ubon Ratchathani (Thailand)), Khajorn Raoprasert(Department of Agricultural Extension, Bangkok (Thailand). Seed Centre No. 10 Ubon Ratchathani), Kreingkrai Choprakarn(Ubon Rajathanee University, Ubon Ratchathani (Thailand). Faculty of Agriculture), Somchai Palasan(Ubon Rajathanee University, Ubon Ratchathani (Thailand). Faculty of Agriculture)
Published in Thai Agricultural Research Journal (Thailand) (01.05.2003)

by Kitti Wongpichet(Ubon Rajathanee University, Ubon Ratchathani (Thailand). Faculty of Agriculture), Somkid Thani(Ubon Ratchathani (Thailand)), Kriengkrai Choprakarn(Ubon Rajathanee University, Ubon Ratchathani (Thailand). Faculty of Agriculture), Somchai Plasarn(Ubon Rajathanee University, Ubon Ratchathani (Thailand). Faculty of Agriculture), Taweesub Isadee(Ubon Rajathanee University, Ubon Ratchathani (Thailand). Faculty of Agriculture), Paiboon Lumsun(Ubon Rajathanee University, Ubon Ratchathani (Thailand). Faculty of Agriculture)
Published in Thai Agricultural Research Journal (Thailand) (01.01.2002)