PROBLEM TO BE SOLVED: To provide an agricultural chemical granular composition for treating the box of rice seedling grown on flooded nursery capable of obtaining the expected control effect of an agricultural chemical even in the case scattering treatment is performed to a seedling box simultaneously with dissemination or treatment is performed between a time of pretreatment to seedling in which it is mixed into culture soil for a box for seedling and a time upon transplanting, also having long residual effectiveness and also having no chemical injury.SOLUTION: Disclosed is an agricultural granular composition for treating the box of rice seedling grown on flooded nursery obtained by covering granulated matter comprising at least one or more kinds of agricultural chemical active components with waxes and hydrophobic fine powder, and also provided is a method for producing the same.COPYRIGHT: (C)2014,JPO&INPIT【課題】育苗箱に播種と同時に散布処理するか、あるいは育苗箱用培土に混合して使用する所謂育苗前処理の時期から移植時の間に処理をした場合であっても、期待した農薬の防除効果が得られ、且つ、長い残効性を有し、且つ薬害のない水稲育苗箱処理用農薬粒状組成物を提供すること。【解決手段】少なくとも1種以上の農薬活性成分を含有する造粒粒状物を、ワックス類および疎水性微粉末で被覆することにより得られる水稲育苗箱処理用農薬粒状組成物およびその製造方法。【選択図】なし
