Associations
Connecticut Association of Golf Course Superintendents
Connecticut State Golf Association
Golf Course Superintendents Association of America
Metropolitan Golf Course Superintendents Association
New York State Turfgrass Association
Long Island Golf Course Superintendents Association
Universities
Cornell Department of Horticulture
PennState Department of Crop and Soil Sciences
Rutgers Center for Turfgrass Science
UMASS Turf Program
UCONN Department of Plant Science
Reference
CDMS label/MSDS information
Soil Testing
Tournament Turf
Harris Labs
NC State University TurfFlies