一、草坪专用除草剂 1、草坪禾草净。本品为选择性芽前除草剂,主要防除禾本科及部分阔叶杂草,有效期45至60天,但剪股颖类草坪慎用,其他类新建草坪修剪一次后方可使用,以免对草坪产生危害。使用方法:选用少量水稀释,掺入少量沙中充分混匀后,再放入干沙中(每亩用50公斤沙),充分混匀后,均匀撒入草坪,立即喷水,使药剂封闭地面。每亩用量 First, lawn herbicide 1, lawn grass net. This product is a selective pre-emergence herbicide, the main control of gramineous and some broadleaf weeds, valid for 45 to 60 days, but pruned lawn caution, other types of new lawn pruning before use, so as not to lawn produce harm. How to use: Use a small amount of water to dilute, mix a small amount of sand and mix well, and then into the dry sand (50 kg of sand per acre), fully mixed evenly into the lawn, immediately sprinkle water, the agent closed ground. Per mu amount