The Soil Profile is a newsletter providing information on issues relating to soils and plant nutrition in New Jersey. This newsletter has been published annually by Joseph Heckman, Rutgers New Jersey Agricultural Experiment Station (NJAES) Cooperative Extension Specialist in Soil Fertility since 1990. The current issue of this newsletter summarizes research findings and disease control recommendations based on soil fertility and plant pathology research conducted on turfgrass at Rutgers University over the past 15 years.