喷洒农药时,为什么要在农药中加表面活性剂?

2025-02-06 01:21:28
推荐回答(4个)
回答1:

  由于植物表面都有天然蜡质保护层,水很难均匀润湿,需要加入表面活性剂,来降低水体系的动态表面张力。
  喷洒农药时是半雾化,需要快速降低体系的动态表面张力才能完成高速喷雾过程,当到达叶片表面,需要迅速铺展,渗透到组织间隙,这样才能最大限度地吸收药效,否则农药液体到达叶面会滚落到地面,浪费农药。
  建议添加具有动态润湿和展渗功能的低泡表面活性剂。

回答2:

添加表面活性剂的目的就是是药液充分雾化,并均匀粘着在作物叶片表面!

回答3:

表面活性剂是在药厂加的,喷洒时加是什么意思?

农民买回农药后,如果是喷雾的话直接加水就行了。
药厂加助剂的目的很多了,你说的表面活性剂是用来降低表面张力的。
简单说有润湿,铺展,粘着,渗透,稳定……多了

回答4:

你是应化的还是化艺的?报上名来,嘻嘻

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