About SEARS M K
About Univ. Guelph, Ontario, CAN
About BOWHEY C
About Univ. Guelph, Ontario, CAN
About BRAUN H
About Ontario Ministry of Agriculture and Food, Ontario, CAN
About STEPHENSON G R
About Univ. Guelph, Ontario, CAN
About Pesticide Science
About Poa pratensis
About organophosphorus insecticide
About Pesticides to weeds
About Plants for landscaping
About 芝草
About ダイアジノン
About クロルピリホス
About イソフェンホス
About 残留物
About 持続性