field efficiency trials

• 田间药效试验

field efficiency trials的用法和样例：

例句

1. Field Efficacy of Prochloraz against Pyricutaria oryzae Cav.
   咪鲜胺防治水稻穗颈瘟田间药效试验。
2. Field efficacy trials indicated relativity good control of banana sigatoka leaf spot disease.
   田间药效试验结果表明，对香蕉叶斑病有较好的防效。