一、农得时除草剂根据近几年我省水田杂草群落的变化．特别是莎草科杂草如三棱草等日益增多的趋势.1992至1997六年在全省试验、示范、推广了一千万亩．每亩30克施用量．防效可达90％．比其它农药综合效果都优．且保水稻安全。1．防除对象及用量：农得时主要防除一年生及多年生 First, the agricultural time herbicides According to the changes in the weed community in paddy fields in recent years. Especially the sedge weeds such as the Sanxiancao the growing trend of 1992 to 1997 six years in the province test, demonstration, promotion of 10 million mu. 30 grams per acre application rate. Control effect up to 90%. Better than other pesticides combined. And paddy rice security. 1. Control objects and dosage: The main agricultural control perennial and perennial