Michael L. Agnew, Extension Turfgrass Specialist, Iowa State University, Turfgrass Research, 1990
Don Taylor, University of Wisconsin – River Falls, 1988
Fertilizing Turfgrass areas with slow-release nitrogen fertilizers is a common practice on golf greens, athletic fields, and other Turfgrass areas. Though more expensive than quick release nitrogen fertilizers, the advantages of longer turf response and low Turfgrass burn potential associated with slow-release forms have made them popular. When choosing and using slow-release nitrogen fertilizers, remember that release characteristics can vary dramatically with different materials and with different conditions.
Some slow release fertilizers, such as sulfur-coated urea and