为了明确杀草丹、去草胺、氟乐灵、除草醚等除草剂在油菜田里的除草效果,我们在宁海县城郊乡坑龙王村进行比较试验,取得了初步结果,现小结如下:一、材料与方法1.试验田面积0.7亩,为多年水稻田,肥力中等,前作粳稻。油菜品种为九二一13系。1984年10月29日耕耙平整,土壤湿润,11月2日条直播,行距40厘米,于11月7日出苗, In order to clarify the weeding herbicide, herbicide, trifluralin, weeding ether and other herbicides in rape field herbicidal effect, we Ningde County suburbs pit Longwangcun for comparative experiments and achieved preliminary results are summarized as follows: a Materials and Methods 1. Experimental area of ​​0.7 acres, for many years paddy fields, moderate fertility, before the japonica rice. Rape varieties for nine two one 13 series. October 29, 1984 cultivated rake flat, moist soil, November 2 live broadcast, spacing 40 cm, on November 7 emergence,