2008 Stalk Nitrate Test Results by County

Understanding Guided Stalk Sampling- PDF

Legend

Iowa Results Map Boone County Benton County Buena Vista County Cedar County Cerro Gordo County Cherokee County Dallas County Des Moines County Franklin County Green County Hancock County Henry County Humboldt County Iowa County Jasper County Johnson County Keokuk County Lee County Linn County Louisa County Madison County Mahaska County Marion County Mills County Wright County Palo Alto County Tama County Montgomery County Pocahontas County Washington County Webster County Scott County Muscatine County Sac County Schelby County Clay County Adair County Adams County Decatur County Taylor County Kossuth County Poweshiek County Union County Audubon County Warren County Ringgold County Clark County Lucas County Wayne County Monroe County Emmet County Osceola County Chicasaw County Bremer County Jones County Blackhawk County Page County Ida County Guthrie County Harrison County Plymouth County Woodbury County Appanoose County Butler County Calhoun County Clinton County Davis County Grundy County Hamilton County Howard County Jackson County Jefferson County Lyon County Marshall County Mitchell COunty O'Brien County VanBuren County Winnebago County Sioux County Story County Wapello County floyd County Winneshiek County Crawford County Carroll County Polk County Bucanan County Deleware County Dubuque County Clayton County Allamakee County Dickinson County Monona County Cass County Worth County