Sustained release pesticides - esp volatile phosphorus pesticide absorbed in a carrier block together with release rate controlling ag

摘要

Pesticidal compsns. contg. an active stabilised phosphorus pesticides which evaporates at room temperature, e.g. dimethyl dichlorovinylphosphate or pyridyl phosphates and a predetermined amount of an adjuvant of m.wt. 1000 which regulates the evaporation of the pesticide.