1.不同时期的施药方法 (1)播种后至出苗期。适合一年生杂草占优势的苗圃。在播种覆沙后,每亩用25％除草醚可湿性粉剂400—600克,兑水40公斤搅匀,用农用背负式喷雾器或机引喷雾器喷洒全圃土壤表面,喷后严禁人畜践踏。此法可有效防止稗草、硷草、鸭舌草、节节草、狗尾草、马齿苋、马唐、苋菜、蟋蟀草、灰 1. Different times of application methods (1) after sowing to the seedling stage. Suitable for annual weed dominant nursery. After sowing sand cover, weed with 25% of weeding ether 400-600 grams of wettable powder, watered 40 kilograms of uniform, with agricultural knapsack sprayer or machine sprayer spraying the soil surface of the whole garden, spraying is prohibited trampling of livestock and poultry. This method can effectively prevent barnyard grass, alkaline grass, Monochoria grass, nodular grass, Setaria, purslane, crabgrass, amaranth, cricket grass, gray