States agree to cut pollutants behind Lake Erie algae

Ohio and Michigan have agreed to sharply reduce phosphorus runoff blamed for a rash of harmful algae blooms on Lake Erie that have contaminated drinking water supplies and contributed to oxygen-deprived dead zones where fish ...

How do we solve the problem of agricultural nutrient runoff?

Agricultural runoff from Midwestern farms is a major contributor to a vast "dead zone" in the Gulf of Mexico. Nitrogen, phosphorous and other farm nutrients drain into the Mississippi River, which empties into the Gulf, spurring ...

Lake Erie phosphorus-reduction targets challenging but achievable

Large-scale changes to agricultural practices will be required to meet the goal of reducing levels of algae-promoting phosphorus in Lake Erie by 40 percent, a new University of Michigan-led, multi-institution computer modeling ...

Researchers find nutrient imbalance in Flathead Lake

As any gardener or farmer can tell you, nitrogen and phosphorus are chemical elements found in soils and fertilizers that plants need to grow. They also know different ratios of nitrogen and phosphorus are ideal or detrimental ...

Will Ohio's Lake Erie strategy work? Answers won't come soon

Ohio's attempt at slowing down the toxic algae turning Lake Erie green hinges on a plan that some environmental groups say relies too much on voluntary programs and lacks the sense of urgency needed to thwart the growing ...

With feedlot manure, it pays to be precise

The same precision farming techniques that work with crops can work with manure management on cattle feedlots, according to U.S. Department of Agriculture (USDA) scientists.

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