桶混助剂是农药使用时与制剂产品搭配使用、现混现用的一种助剂。玉米田除草剂使用中合理添加桶混助剂能明显提高防治效果。介绍农药桶混助剂的定义、功能，并介绍玉米田化学除草基本情况，在此基础上分析桶混助剂对苗后茎叶处理除草剂、土壤处理除草剂的减施增效作用，展望桶混助剂未来的发展方向及市场前景。

Tank-mixing adjuvant is a kind of additives used in tank-mixing with the pesticide formulation products before sprayed. The effect of herbicide in maize field could be significantly improved by added tank-mixing adjuvant reasonably. In this paper, the definition, function of tank-mixing additives in China was introduced. And the basic situation of using chemical herbicides in maize field was introduced. Then, examples were given to analyze the effect of tank-mixing adjuvants on reducing the application and increasing efficiency of pre and post-emergence herbicides. Finally, the future development and market prospect of tank-mixing additives were prospected.

国家重点研发专项“北方玉米化肥农药减施技术集成研究与示范”（2017YFD0201800）