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Yuko HARA
Graduate School of Agriculture, Hokkaido Univ.
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Hirotaka ITO
Graduate School of Agriculture, Hokkaido Univ.
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Qiao-zhi MAO
Graduate School of Agriculture, Hokkaido Univ.
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Makoto WATANABE
Research Faculty of Agriculture, Hokkaido Univ.
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Kentaro TAKAGI
Field Science Center for Northern Hemisphere, Hokkaido Univ.
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Fuyuki SATO
Field Science Center for Northern Hemisphere, Hokkaido Univ.
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Takayoshi KOIKE
Research Faculty of Agriculture, Hokkaido Univ.