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.
You can read more about Greenleaf and our partners' work on gypsum here.