Turfgrass Fertilizers
The three numbers listed on a fertilizer bag represent the guaranteed weight percentages of these primary macronutrients in exact order.
What are Nitrogen, Phosphorus, and Potassium (N-P-K)?
White stakes or white lines on a golf course indicate this boundary.
What is Out of Bounds?
Non-mown or native vegetative strips along streams, lakes, and ponds designed to filter surface runoff and stabilize shorelines.
What are Vegetative Buffer Zones?
Winner of four British Open titles who served a 40-year tenure at the Old Course in St. Andrews and is credited with inventing topdressing.
Who is Old Tom Morris?
The three primary body divisions characteristic of all adult insects.
What are the head, thorax, and abdomen?
Abbreviated as WSN, this classification refers to fertilizer nitrogen sources that dissolve rapidly in water for quick turf intake.
What is Water-Soluble Nitrogen?
An early type of golf ball made from a leather pouch stuffed tightly with boiled feathers.
What is the Feathery?
Core environmental stewardship strategy using regular monitoring, pest identification, and threshold levels to determine control measures.
What is Integrated Pest Management (IPM)?
He bred Penncross creeping bentgrass in 1954, creating the first seeded variety of its kind and the industry standard for decades.
Who is Burton Musser, Ph.D.?
Developmental process where immatures (nymphs) resemble smaller, wingless versions of adults, as seen in grasshoppers and chinch bugs.
What is incomplete metamorphosis?
Essential micronutrient applied to turfgrass to enhance dark green foliage color.
What is Iron (Fe)?
These two governing bodies work together to write, update, and interpret the official Rules of Golf globally.
What are the R&A and the USGA?
Water management practice using soil moisture sensors and evapotranspiration (ET) data to schedule irrigation strictly when required.
What is Water Conservation Management?
Rutgers University breeder recognized as the industry's foremost turf breeder, screening over 50,000 plants per year to develop most modern ryegrass, bluegrass, and fescue cultivars.
Who is C. Reed Funk, Ph.D.?
Caterpillar pest that lays its eggs on ornamental plants rather than turf and causes rapid turf loss along a distinct border line.
What is the Fall Armyworm?
Coated or synthetic nitrogen sources (such as polymer-coated urea) engineered to release nutrients gradually to prevent leaching and foliar burn.
What are Slow-Release fertilizers?
A golf course that is owned and operated by a local city, county, or government municipality.
What is a Municipal golf course?
This environmental organization awards a special "Cooperative Sanctuary" certification to golf courses that protect wildlife habitats and conserve water.
What is Audubon International?
USDA Geneticist stationed in Tifton, Georgia with UGA who bred turf for over 40 years and introduced the famous Tif series (except TifEagle).
Who is Glenn Burton, Ph.D.?
Nocturnal turf pest that overwinters as a pupa, damages bentgrass greens by cutting stems at the soil surface, and lays up to 1,200 eggs per adult.
What is the Black Cutworm?
Because synthetic nitrogen options like ammonium sulfate are chemically classified as these, over-applying them on your lawn can cause "burn" by pulling water right out of the grass roots.
What is a simple salt?
A private golf facility where ownership, equity, and decision-making authority reside directly with the membership.
What is a Member-owned club?
Stewardship practice involving establishing naturalized out-of-play habitats and avoiding pesticide applications on blooming plants.
What is Pollinator Protection
Scientist credited with elevating turfgrass management to a recognized scientific discipline, authoring foundational textbooks, and heading the International Sports Turf Research Institute.
Who is James Beard, Ph.D.?
Piercing-sucking pest that damages warm-season turf like St. Augustinegrass and is commonly monitored using a hand vacuum or flotation test.
What is the Chinch Bug?