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*Kengo Iwanaga
Graduate School of Agriculture, Hokkaido University
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Tohru Fukayama
Graduate School of Agriculture, Hokkaido University
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Kazuto Iwama
Graduate School of Agriculture, Hokkaido University
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Takayoshi Terauchi
Graduate School of Agriculture, Hokkaido University
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Yutaka Jitsuyama
Graduate School of Agriculture, Hokkaido University