postemergence怎么读，postemergence什么意思，postemergence短语和例句

1.Compounds were sprayed immediately after seed planting (preemergence treatment) or after the expansion of the first true leaf (postemergence treatment).

在播种后(萌前处理)或第一片真叶展开后(萌后处理)立即喷洒化合物。

2.Compounds were sprayed immediately after seed planting (preemergence treatment) or after the expansion of the first true leaf (postemergence treatment).

在播种后(萌前处理)或第一片真叶展开后(萌后处理)立即喷洒化合物。

3.Adjuvants increase postemergence herbicide efficacy, but adjuvant type greatly affects herbicide efficacy enhancement by the adjuvant.

助剂对除草剂有增效作用，但不同类型助剂对除草剂增效作用差别很大。