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Shungo YAZAWA
Dept. Forest Sci., Hokkaido Univ.
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Yoko WATANABE
Res. Fac. Agri., Hokkaido Univ.
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Makoto KOBAYASHI
Grad., School of Agri., Hokkaido Univ.
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Satoshi KITAOKA
JSPS:FFPRI
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Mutsumi NOMURA
Teshio Exp. Forest, Hokkaido Univ.
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Yoshiyuki TAKAHASHI
Teshio Exp. Forest, Hokkaido Univ.
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Gen HOJO
Teshio Exp. Forest, Hokkaido Univ.
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Tatsuya KAMIURA
Teshio Exp. Forest, Hokkaido Univ.
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Hideyuki SAITO
Res. Fac. Agri., Hokkaido Univ.
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Takayoshi KOIKE
Res. Fac. Agri., Hokkaido Univ.