A new method for applying agricultural chemicals is provided. A method for applying agricultural chemicals including irrigating or spraying a water solution or an aqueous dispersion of active components of agricultural chemicals to nursery areas for seedlings of field crops before settled planting of the seedlings. It is preferable to irrigate or spray the water solution or the aqueous dispersion of active components of agricultural chemicals at an amount of from 20 mL to 2100 mL, especially from 20 mL to 1600 mL, per 100 plants.
