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Ag UPDATE14h
New study helps farmers determine crop nitrogen needs
Farmers often face tough decisions about how much nitrogen to apply to corn, especially when spring weather disrupts ...
Answers to frequently asked questions about Iowa water quality, nitrates, testing and more
You've got questions about Central Iowa's water since officials have banned commercial and residential lawn watering due to ...
University of Delaware2mon
End-of-Season Corn Stalk Nitrate Testing to Optimize Nitrogen Management
Interpreting Corn Stalk Nitrate Test Results. The concentration of nitrate in stalks at the end of the season is a consequence of all the factors that influenced growth during the season; not just N ...
MinnPost8mon
Nitrates contaminate wells across the US, but few test the water
Nitrate measurements in domestic wells in Iowa from 2002 to 2022, from the Iowa Department of Natural Resources public water-testing program. Counties targeted in Lade et al.’s 2024 review are ...
Iowa Public Radio7d
Nitrate levels remain high in central Iowa rivers. Here's a look at how water is tested and treated before the tap
Nitrate levels remain elevated in the Des Moines and Raccoon rivers, two of the drinking water sources for Central Iowa Water ...
University of Delaware2mon
Nitrogen Management for Corn in Delaware: The Pre-Sidedress Nitrate Test
Calculation of Sidedress Nitrogen Recommendation Based on Results of the Pre-Sidedress Soil Nitrate Test. The need for additional N fertilization is determined based on results of the PSNT test. If ...