spraying

Has anyone ever used Poast or Poast plus to kill grass in their clover plots in the pens?  I would like to spray in my buck pens but not sure if the chemicals are safe to use while the bucks are still in the pens or if there is a better chemical to use   Matt Missouri Whitetails 660-341-0554

I have a 18 gallon four-wheeler mounted electric sprayer. Is there a product out there for flies and insects that can be sprayed by one of these sprayers? I know Pyrethrum comes in a lot of forms. I would like to have some concentrate that could be mixed with water and sprayed periodically. Has...