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*Kazuhiko Hisaeda
Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University
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Susumu Shiraishi
Faculty of Agriculture, Kyushu University
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Fumihiko Miyahara
Fukuoka Pref. Forest Res. Exten. center
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Jyunji Miyazaki
Saga Forest Experiment Station
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Hiroshi Miyajima
Faculty of Agriculture, Kyushu University