In order to study the application effect of the specific herbicides in flax field.We conducted plot experiments for two years and regional contrast tests for one year in four areas of Heilongjiang. The results showed that in the period of 2-5 weed leaves,the specific herbicides quantity for use was 1050ml/ hm2,and the sprayed quantity was 405kg/hm2.It could completely control the damage of the weeds in flax field.The yields of flax stems and seeds were increased by 28.41% and 39.59% over the yields of the no-weeding fields,Which increased the industrial and agricultural output of 5865.35yuan/hm2 .And the yields were increased by 9.16% and 25.28% over the fields sprayed with the usual herbicides.Which increased the industrial and agricultural output of 3000 yuan/hmllt was no harmful for the flax and no poisonous.%为研究亚麻专用除草剂在亚麻田上应用效果,我们在黑龙江省四个种庥区开展了两年小区试验和一年大区对比试验.结果表明:在杂草2-5叶期,亚麻专用除草剂用药商品量1050ml/hm2,喷液量405kg/hm2,苗后茎叶处理,可以完全控制亚麻田杂草危害.亚麻原茎和种子产量比不除草田分别增产28.41％和39.59％,增加工农业产值5865.35元/hm2;比常规药剂除草田分别增产9.16％和25.28％,增加工农业产值3000元/hm2左右,对亚麻安全,无药害.
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