A resin composition containing an agricultural chemical in which the release of an agricultural chemical active ingredient is controlled a production method thereof and an agricultural chemical formulation in other words, an agricultural chemical-containing resin composition which is a composition containing an agricultural chemical active ingredient, a resin, and a fatty acid metal salt, and characterized in that the composition is either in a compatible state or forming a matrix its production method and an agricultural chemical formulation including at least one of the agricultural chemical-containing resin compositions in addition to an agricultural chemical-containing resin composition which is a composition containing an agricultural chemical active ingredient, a (meth)acrylate based resin, and a release controlling agent, and characterized in that the composition is either in a compatible state or forming a matrix its production method and an agricultural chemical formulation including at least one of the agricultural chemical-containing resin compositions, are provided.