Surface Waters: Ammonium is Not Ammonia – Part 3
ICM News
By John Sawyer, Department of Agronomy and Matt Helmers, Department of Agricultural and Biosystems Engineering
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Surface Waters: Ammonium is Not Ammonia – Part 2
ICM News
By John Sawyer, Department of Agronomy
A previous article explained the difference between ammonium and ammonia, the relationship between the two nitrogen forms and the implication of a combined (ammonium-N plus ammonia-N) analysis related to water quality criteria for aquatic life. This article focuses on the implication of ammonia and ammonium for chlorination of drinking water.
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Surface Waters: Ammonium is Not Ammonia – Part 1
ICM News
By John Sawyer, Department of Agronomy
A recent article in The Des Moines Register newspaper has caused considerable controversy regarding nitrogen in Iowa streams and rivers. The article (High ammonia levels threaten D.M.’s water, April 6, 2008) featured information about “ammonia” levels in certain Iowa surface water systems during the recent winter time period.
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