pesticidal compositions of mesoscopic particles with enhanced activity

A composition comprising: a) a mesoparticula comprising a poorly soluble active ingredient in agricultural water having a volume mean diameter in a range of 30 ± 3.0 nm, ± 500 nm 50.0; b) an adjuvant, wherein the agricultural active ingredient having a solubility in water of less than 1,000 ± 100.0 ppm, the mesoparticula is at least one of a particle and mesocapsula mesomatriz and penetrating adjuvant is one or a surfactant It is representing a nonionic nonylphenol ethoxylate