Establish a scheme that can predict the dryness and quality of the agrochemical formulation from the formulation of the agrochemical formulation without actually manufacturing a prototype of the agrochemical formulation, thereby significantly improving the efficiency of reviewing the prescription of the water floating large granular agrochemical formulation A method for obtaining a water-floating large-scale granular pesticide preparation with high quality and excellent productivity is provided. Containing pesticide active ingredient, floating carrier and water within the range of 0.3 to 3 mass %, particle size distribution of 80% or more for particles with a particle diameter of 3 mm or more, floating on the water surface, and floating water surface that collapses on the water surface within 30 minutes of water input In the granular pesticide preparation, for a total of n raw materials, which are all of the pesticide active ingredient and auxiliary ingredient (except water) constituting the pesticide preparation, the following formula [In food, W 1 , W 2 … … Wn is raw material 1, raw material 2... … Each part by weight of the raw material n is shown, EM 1 , EM 2 ... … EM n is raw material 1, raw material 2... … The mass % value of each moisture content measured by the Karl Fischer method for the raw material n is shown] Provided is a method for producing a water-floating large-scale granular pesticide formulation in which the value X defined by is in the range of 0.5 to 2.
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