The agent has a long residual effect in the soil. The amount of medication should not be too large or it will be sensitive crops such as cabbage. Millet, sorghum, beets, corn, wheat, flax, etc., have varying degrees of injury.  Soybean field crops sensitive crops can not use this drug.  The bean fields mixed with single and dicotyledonous weeds can be mixed with the corresponding herbicides such as steadily killing and catching the net.  When spraying, pay attention to the wind direction and prevent it from floating to the nearby sensitive crops.