Herbicide technique: Herbicide with insecticides, fungicides compared to the use of technology demanding. Insecticides, fungicides, herbicides in rice fields using temporary misconduct manufacturer may only affect the control effect. The improper use of herbicides, and plant growth is related to safety. In order to ensure the safe and efficient use of herbicides wholesale herbicides in rice fields, strictly crop sensitivity to herbicides. Herbicide technique: strict control and spraying of crops during the sensitive period. Crops at different growth stages of pesticides, fungicides are not the same degree of sensitivity herbicides in rice fields, sensitivity to herbicides more different. Under normal circumstances, crop germination, filling the first three leaves and flowering stage particularly sensitive to the herbicide, which is likely to produce injury several times.