Rachael Brooke, Phillips-Rooks District Extension Agent Agriculture and Natural Resources

Roundup, Killzall, Pronto Weed and Grass Killer are all glyphosate herbicides used to kill unwanted plants. Kansas State University horticulture instructor, Cynthia Domenghini said the efficacy or effectiveness of this herbicide depends on the quality of water it’s mixed with. Water hardness is a…