我场地处黄河三角洲,当地杂草较多,特别是一年生单子叶杂草,发生密度大,用机械或人力除草,费工大,不彻底,历年对农作物危害很大.1980年我们试用除草剂—氟乐灵大面积防除大豆杂草2.7万亩、花生田杂草1000亩,收到了效率高、成本低、增产显著的良好效 My field is located in the Yellow River Delta, the local weeds more, especially the annual monocotyledonous weeds, the density, the use of machinery or manpower weeding, large work, not complete, over the years on the crops a great harm in 1980 we try herbicide - Trifluralin large-scale control of 2.7 hectares of soybean weeds, peanut fields 1000 acres, received high efficiency, low cost, significant yield increase good effect