These are wind turbines near Springfield Corners, Wisconsin. Cropland in the Yahara watershed has an overabundance of soil phosphorus. Researchers say that makes clean lakes and rivers possible only with a revolution in land and water management. UW-Madison Water Sustainability and Climate project
These are wind turbines near Springfield Corners, Wisconsin. Cropland in the Yahara watershed has an overabundance of soil phosphorus. Researchers say that makes clean lakes and rivers possible only with a revolution in land and water management.

Study quantifies effect of 'legacy phosphorus' in reduced water quality

Research raises possibility of probiotic, microbe treatments to increase plants' efficient use of phosphate.

For decades, phosphorous has accumulated in Wisconsin soils. Although 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 (UW-Madison) reveals that a "legacy" of abundant soil phosphorus in the Yahara watershed of southern Wisconsin has a large, direct and long-lasting effect on water quality.

Published March 13 in the journal Ecosystems, the study may be the

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