经室内和田间药效试验证明该组合物具有明显的增效作用。
Indoor and field test of pesticide effectiveness proves that the composition has an obvious synergistic action.
除草剂经过田间药效试验提出，推荐使用剂量必须准确、可靠。
When conducting herbicide field efficacy trials, recommended rates must be accurate and reliable.
研究选用了6种常用杀线剂对胡椒根结线虫病进行了田间药效试验。
Field experiments were conducted with 6 selected nematicides for pepper root - knot nematode.
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