By Sally Brown and Sally Landefeld, University of Washington; Dan Eberheardt, City of Tacoma-TAGRO and Juan Carlos Hernandez, Monroe Correctional Facility
By Nathan Stacey and Andy Bary, Washington State University-Puyallup Research & Extension Center
Golf course turfgrasses are managed as highly manicured playing fields, maintained to optimize turfgrass health and aesthetic value and, approximately 16,000 golf courses are operated for public or private use in the United States. Frequent fertilization and supplemental irrigation are often used to promote turfgrass health and create an acceptable playing field, yet organic sources of nitrogen (N) are utilized sparingly.
By Sally Brown, University of Washington
Abstracts of these resources are available in the searchable Information Portal offered to Northwest Biosolids members.
An evaluation of nitrogen mineralization indices for organic residues