Institution: | 1. Crop Research Center, Niigata Agricultural Research Institute, 857 Nagakura-machi, Nagaoka, 940-0826, Japan 3. Agricultural Management Promotion Division, Niigata Prefectural Government, 4-1 Shinko-cho, Chuo-ku, Niigata, 950-8570, Japan 2. Faculty of Agriculture, Utsunomiya University, 350 Mine-machi, Utsunomiya, 321-8505, Japan
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