我县常年种植油莱20～25万亩,其中稻茬直播油菜占95%。田间杂草以看麦娘为主,与油菜竞争激烈,苗期尤为突出,如除草不及时,将导致缺苗断垄,影响菜苗素质和产量,重草田甚至失收。为了解决油菜田草害,我县在推广应用杀草丹的同时,1985年引进新除草剂稳杀得 SL—236,在6个点小区试验的基础上,又在47个乡4万亩大田开展示范,均取得良好效果。 Our county annual planting oil Lai 20 to 25 million mu, of which stubble direct seeding 95% rape. Field weeds to see Ma Niang, intense competition with rapeseed, especially during the seedling stage, such as weeding is not timely, will lead to lack of seedlings broken ridge, affecting the quality and yield of vegetable seedlings, grassland and even lost. In order to solve the canola field ravages, my county in promoting the use of herbicide Dan, at the same time, in 1985 the introduction of new herbicide SL-236, on the basis of six-point plot test, and 47 townships 4 acres of field To carry out demonstration, have achieved good results.