Experiment of Weed Control with Metribuzin-2,4-Dbutylate-Aacetochlor in the Corn Field

The filed efficacy test was used to verify the application effect and safety with 81.3%2,4-DB·metribuzin·acetochlor EC. The results showed that: 81.3%2,4-DB·metribuzin·acetochlor EC has no magnificent effect on the corn growth and development and it could effectively control 5 kinds of weeds, the recommended usage was 180～320 mL/667 m2.