排草净,又名威罗生、派津混剂,是瑞士汽巴嘉基公司生产的派草磷和戊草津的混剂。排草净的特点是:①杀草谱广,灭草率高,前期用于稗草、莎草、眼子菜等多种杂草混生的稻田。②持效期长达30天以上。③杀草活性高,用量低。插秧前施用排草净,至少要比插秧提前3天。每亩用50％乳油0.25～ Pai Pao net, also known as Weiluo Health, send Tianjin mixture, is the Swiss company produced Pakistani Ciba grass Phosphorus and Petizosin mixture. The net characteristics of the row are: ① to kill grass broad spectrum, off the grass rate, pre-used for barnyard grass, sedge, eye drops and other weeds mixed rice fields. ② persistence for up to 30 days or more. ③ high herbicidal activity, low dosage. Before planting transplanting row net, at least 3 days earlier than transplanting. 50% EC per mu with 0.25 ~