化学除草剂 meaning in English

chemical herbicide
chemical weed killer
chemisterilants

Less weed growth around their crops would mean less need for herbicide chemicals
农作物周围长很少的野草意味着需要少的化学除草剂。
Aim at alleviating the environment pollution which is caused by applying herbicide in weed protection , this paper used computer vision to identify weed from corn seedling , and to find out the position and growing state of weed . accordingly it can provide theory and technology support for automation of spot spraying herbicide during corn seedling stage
针对目前我国在杂草防治上主要靠大面积喷洒化学除草剂而带来的环境污染问题，应用计算机视觉技术来识别玉米苗期田间杂草并确定杂草的位置和生长状况，从而为玉米苗期田间精确喷洒除草剂的自动化作业提供理论与技术支持。