Refractory pointed leaf grass in wheat field: (especially Mainiang, the average daily temperature is above 5℃ after 3 leaves of wheat and before jointing, and it is sprayed at noon on sunny days. ) you can choose: 1.30g/L dodecyl methyl disulfonate ethyl sulfonate. The effect is particularly good!
2.70% Flusulfuron-methyl water dispersible granules. 3.5g/ mu.
3. Disulfuron methyl dispersible oil suspending agent, 17-22 ml/mu.
4,3.6% methyl iodosulfuron sodium salt or metsulfuron-methyl wettable powder. (15-25g/ mu. )