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双效素系列除草剂田间试验表明，双效素７号表现出比较好的除草效果，株防效达到８８．２％，具有进一步研究和开发应用价值。
Two-factor series of herbicide field trials showed that Shuangsong-7 on the 7th showed a good weeding effect, control efficiency reached 88.2%, with further research and development and application value.