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[文献書誌] Okamoto,Y.,Suyama,K.,Itoh,K.,Yamamoto,H. 他5名: "Natural Fluctuation of Microbial Activity Related to Nitrogen Cycle in Rice Paddy Soils as a Basis for Assessing the Side-Effect of Pesticides on Soil Ecosystem."J.Pesticide Science. 24. 386-392 (1999)
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[文献書誌] Itoh,K.,Takahashi,M.,Tanaka,R.,Suyama,K.,Yamamoto,H.: "Effect of fumigants on soil microbial population and proliferation of Fusarium oxysporum inoculated into fumigated soil."J.Pesticide Science. 25. 147-149 (2000)
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[文献書誌] Suyama,K.,Okamoto,Y.,Itoh,K.,Yamamoto,H. 他9名: "Natural Fluctuation of Microbial Biomass and Population in Rice Paddy Soils as a Basis for Assessing the Side-Effect of Pesticides on Soil Ecosystem."J.Pesticide Science. (印刷中). (2001)
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[文献書誌] 片山新太,山本広基: "新・土の微生物(第2章農薬と微生物を分担執筆)"博友社、東京. 29-69 (1999)