Revised Document Prepared by: A.L. Shober, K.L. Gartley, and J.T. Sims Department of Plant and Soil Sciences, University of Delaware Unlike other nutrients, such as potassium or phosphorus, the ...

For decades, many residents of Eastern Oregon’s Morrow and Umatilla counties have relied on well water contaminated by nitrates, chemicals linked to cancers and thyroid disease — and especially ...

LITTLE BIT, AND WE’LL CHECK BACK IN WITH YOU SOON. RIGHT NOW, MUCH OF CENTRAL IOWA IS STILL UNDER A LAWN WATERING BAN. IT’S DUE TO HIGH NITRATE LEVELS IN OUR WATER SOURCES. YOU’RE TAKING A LOOK AT ALL ...

Mike Castellano is professor of agronomy at Iowa State University and leads the Iowa Nitrogen Initiative. Matt Helmers is professor agricultural and biosystems engineering and director of the Iowa ...

PORTLAND, Ore. — Oregon Health Authority and partner organizations are mailing more drinking water test strips to Lower Umatilla Basin Groundwater Management Area (LUBGWMA) households and urging them ...

Much of central Iowa remains under a lawn watering ban due to elevated nitrate levels in water sources. While officials assure residents that tap water is safe to drink, discrepancies between at-home ...