What are the herbicides suitable for controlling weeds in rice fields? And how is the prevention period?

Ophiopogon japonica is a malignant broadleaf weed in rice fields. It usually occurs in the early stage of rice growth and affects the growth of rice in the tillering stage. The herbicide currently widely used is a compound preparation of bensulfuron. This herbicide can prevent both eye vegetables and valerian. The effect of benzulsulfuron on the prevention of eye vegetables is better, but if the density of weeds is too large, the effect is not very satisfactory. There are currently no other more effective herbicides available. Control of eye vegetables should be carried out after rice transplanting, as long as it is timely, it will not cause great harm. It should be noted that 5-7 days after rice seeding (before rice closure) is a critical period for weeding. The specific operation method of the herbicide can be referred to the instructions for the use of the benzulsulfuron or benzylsulfuron compound preparation.

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