*Thuyet Quoc Dang¹, Morinobu Matsuo^1,2, Takeshi Haji¹, Tetsuo Kawaide¹, Yuichi Kobayashi¹ (1. Institute of Agricultural Machinery, National Agriculture and Food Research Organization(Japan), 2. Central Region Agricultural Research Center, National Agriculture and Food Research Organization(Japan))

*Chengqiao Ding¹, Di Cui¹ (1. Zhejiang University(China))