Study Quantifies Role of ‘Legacy Phosphorus’ in Reduced Water Quality

Read the full story from the University of Wisconsin-Madison.

For decades, phosphorous has accumulated in Wisconsin soils. Though farmers have taken steps to reduce the quantity of the agricultural nutrient applied to and running off their fields, a new study from the University of Wisconsin–Madison reveals that a “legacy” of abundant soil phosphorus in the Yahara watershed of Southern Wisconsin has a large, direct and long-lasting impact on water quality.

Published March 13 in the journal Ecosystems, the study may be the first to provide quantifiable evidence that eliminating the overabundance of phosphorus will be critical for improving the quality of Wisconsin’s lakes and rivers.

Author: Laura B.

I'm the Illinois Sustainable Technology Center's Sustainability Information Curator, which is a fancy way of saying embedded librarian. I'm also Executive Director of the Great Lakes Regional Pollution Prevention Roundtable. When not writing for Environmental News Bits, I'm an avid reader. Visit Laura's Reads to see what I'm currently reading.

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