[ACG54-06] Field-based detection of Solar-Induced Chlorophyll Fluorescence for remote-sensing of the photosynthetic activity in winter wheat with Nitrogen addition treatments in Hokkaido *両角 友喜1、Buareal Kanokrat2、辻本 克斗3、烏 蘭2、二宮 秀輝2、水野 ゆかり2、加藤 知道1 (1.Research Faculty of Agriculture, Hokkaido University、2.Graduate School of Global Food Resources, Hokkaido University、3.Graduate School of Life Science, Tohoku University)