About SEIKE NOBUYASU
About OTANI TAKASHI
About UEJI MASAKO
About TAKASUGA TAKUMI
About 島津テクノリサーチ
About TSUZUKI NOBUYUKI
About 農水省 生産局
About herbicide
About Pesticides to weeds
About Other pollutants
About Pentachlorophenol
About Chlornitrofen
About OCDD
About 1,3,6,8-TCDD
About 1,3,7,9-TCDD
About 水田土壌
About ダイオキシン類
About 起源
About 推移