| abstract |
(57) [Summary] [PROBLEMS] To maintain the original function of a chemical substance to be treated in the environment, in particular, a chemical substance which may migrate into the soil and penetrate into the ground, and maintain the original function of the chemical substance in the soil. Provide a way to control migration during migration. SOLUTION: In order to suppress the leaching of the pesticidal active substance in the soil, the pesticide active substance having a water solubility of 600 ppm or more and 85% or less and / or a soil adsorption equilibrium constant (Koc) of 200 or less and 5 or more. And tannin are combined to prepare an agricultural chemical composition. |