Greenleaf bridges expertise in science, policy, and business to advance solutions for a healthy and sustainable world. On August 17th, we presented on climate mitigation and adaptation, a ‘One Water’ approach in northern Illinois, and building resilient agricultural systems for soil health, carbon sequestration, and water quality/quantity benefits. John Andersen led off by reflecting on […]
Continue readingCategory Archives: Gypsum
Partner News: Gypsum as a soil amendment to enhance water quality by reducing soluble phosphorus concentrations
Greenleaf board member, Dr. Warren Dick and his colleagues, Dr. David Kost and Joe Nester, published this article in the Journal of Soil and Water Conservation on reducing phosphorus runoff in the Western Lake Erie Basin with gypsum as a soil amendment. In addition to water quality benefits, gypsum provides calcium and sulfur to plants. […]
Continue readingGreenleaf Team visits agricultural sites
This Monday, John Andersen and Katie DeMuro traveled to Bryan, Ohio to visit the Ohio gypsum project team including NesterAg, The Ohio State University, GYPSOIL and the USDA ARS.
Continue readingUsing an Ancient Approach to Farming to Address Lake Erie’s Modern Problems
Although the phosphorus that contributed to the ban on drinking tap water for most of Toledo’s residents this weekend came from many sources, most experts will point to agricultural runoff as the primary culprit.
Continue readingNew Research Identifies Tool to Mitigate Phosphorus
Updated May 14, 2015 Calcium Sulfate (gypsum) soil amendment reduces SRP loading by over 50% Nutrient runoff from agricultural fields is one source of pollution that impacts the integrity of our waterways and the quality of our critical water resources. Fertilizers and animal manures are important sources of the nutrients nitrogen and phosphorus. These help […]
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