PURPOSE: To obtain an agrochemical dusting powder, not being washed away even by rainfall, not scattering in the air.

CONSTITUTION: A material 1 for dusting an agrochemical consists of granule 1 made of unglazed pottery and an agrochemical and the agrochemical is permeated into micro pores of the granule 2. In using the material 1 for dusting an agrochemical is used, since the agrochemical will not scatter, operators, players and inhabitants in the circumference have not fear of inhaling the agrochemical. Since the agrochemical is permeated into the micro pores of the granule 2, the material for applying an agrochemical will not be washed away even by rainfall. The material for dusting an agrochemical has highly sustaining effect on slow oozing of the agrochemical for a long time. Consequently the amount and the times of the dusting of an agrochemical can be greatly reduced.