A proposal by the Environ­mental Protection Agency (EPA) to severely limit use of the herbicide atrazine is not backed by science, would harm farmers’ efforts to improve water quality and reduce soil loss, and would sharply raise production costs at a time of low commodity prices, the Iowa Farm Bureau Federation (IFBF) said last week.

"Farm Bureau policy supports the continued safe use of atrazine and other triazines," Rick Robinson, IFBF environmental policy advisor, ...