Nitrogen in Turfgrass Health and Stress

While nitrogen is critical for good turf health and growth, excessive levels in the soil can cause serious and long-lasting damage to turfgrass of all types. While over-fertilization is the major cause of this problem, the release of nitrogen from soil organic matter, the presence of nitrogen in reclaimed water, and the release of nitrogen from clippings left on fairways and roughs can all contribute. Based on analysis of soil samples from around the country, we have developed the guidelines…