茶园杂草种类多,密度大,常因除草不及时或除草不彻底,导致杂草丛生,与茶树争光、争水、争肥,严重影响茶叶产量。为了夺取茶叶丰收,茶农每年投入大量劳动力除草,据调查,一般每亩每年投入除草工4～6个,工值14～21元,不但影响茶农收入,而且还会与其他农活发生争夺劳动力的矛盾。要解决这一矛盾,必须推广化学除草 Tea garden weeds species, density, often due to weeding is not timely or weeding is not complete, leading to overgrown, competing with the tea tree, water, fight fat, seriously affecting the yield of tea. In order to seize the bumper harvest of tea, tea farmers put a lot of labor into weeding each year. According to surveys, we usually invest 4 to 6 herbicides per mu per year, with a work value of 14 to 21 yuan. This not only affects the incomes of tea farmers but also conflicts with other farm workers in fighting over the labor force . To solve this contradiction, we must promote chemical weeding