Lori Hoagland, Elizabeth Maynard, Natasha Cerruti, Dan Efel and Amy Thompson; Department of Horticulture and Landscape Architecture, Department of Botany and Plant Pathology, Purdue Cooperative Extension, Purdue University.
Results show that Nature Safe improved plant available nitrogen (PAN) levels in the soil by as much as 89% compared to other organic fertilizers while reducing application rates by as much as 78%.
Open the “R-22: Soil Quality and Disease Suppression” PDF to read the full test.