PROBLEM TO BE SOLVED: To provide a new agrochemical formulation having a sustained release, which can be manufactured simply and at low cost.SOLUTION: The agrochemical formulation contains a pesticide active ingredient and a heat-melting material and/or a thermoplastic material. In addition, the agrochemical formulation contains an amine that can form a state of aggregation with the pesticide active ingredient, and that has a group having a hydrophobic portion on a nitrogen atom.COPYRIGHT: (C)2013,JPO&INPIT