What are the current problems with pesticides application methods?

One problem with pesticide application is that if they use spray, it leaves a residue, so if a child or animal were to get in contact with the pesticide and accidentally ingest it, it could injure them. 

I'm sorry to hear that. i will try to answer your other questions if it is within my ability. : )answers: my favourite colour is black.my favourite food is pasta.my favourite school subject is english, but i do also like lunch time.my least favourite subject is history as well as geography. i have currently garnered a quite equal hatred for both of the subjects.what about you? well, you for the points. : )