Nguyen Van Hung (a), Romualdo Martinez (b), Tran Van Tuan (c) and Martin Gummert (a)
(a) Sustainable Impact Platform, International Rice Research Institute (IRRI), Los Baños, Luzon, Philippines;
(b) Bioprocess Engineering Division, Philippine Center for Postharvest Development and Mechanization, Munoz, Nueva Ecija, Philippines;
(c) Center for Agricultural Energy and Machinery, Nong Lam University, Ho Chi Minh City, Vietnam