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