在常规防除水稻田中杂草的基础上，亩用农达水剂３００～４００ｍｌ，在杂草生长盛期（即麦收后水稻栽秧前）喷雾，彻底防除田埂、道路、渠道等上的多年生杂草，有很好的保苗和增产效果，经济、社会效益明显。 On the basis of conventional control of weeds in paddy fields, 300 to 400 ml of Nongda agent is used per mu for spraying on the weeds during the peak period of weed growth (ie, the rice is planted after the wheat is harvested) to thoroughly control perennial pests in fields, roads, channels, etc. Grass, seedlings have a good effect and increase production, economic and social benefits significantly.