Effect enhancer for agricultural chemical

摘要: There are provided an effect enhancer for agricultural chemical and formulation which is not pharmaceutically harmful to various crops can be safely used has excellent enhancing function chemicals. The the comprises, as effective component, a compound represented by following formula (I): R-O[(EO)x(PO)y](EO)z-H, wherein EO oxyethylene group; PO oxypropylene R straight-chain or branched alkyl group alkenyl having 6 30 carbon atoms; x value of 1 on average; y average, z average. comprises above-mentioned surfactant technical grade active ingredient agriculatural chemical.