by Bill Kreuser | Feb 23, 2026 | Blog
I first learned about growing degree days (GDDs) in my introductory agronomy course at UW–Madison. These models used daily average temperature to predict biological processes such as corn development. I later learned that GDDs could also be used to schedule seedhead...
by Bill Kreuser | Jul 18, 2025 | Blog
All models are wrong, but some are useful. — British Statistician George E. P. Box This classic quote largely credited to statistician George Box perfectly sums up the challenge of decision-making in turfgrass management. It captures every superintendent’s daily...
by Bill Kreuser | May 19, 2025 | Blog
Most turf managers use soil surfactants – frequently called wetting agents – to improve soil water uniformity and increase irrigation efficiency on sand-based root zones. These types of soils can quickly develop issues of hydrophobicity where organic...
by Bill Kreuser | Feb 27, 2025 | Blog
The turf industry has embraced various technologies to improve irrigation efficiency. Hand-held moisture meters have replaced pocketknives. Mower-mounted sensors help turf managers detect soil moisture variability, while in-ground sensors relentlessly monitor changes...
by Bill Kreuser | Feb 3, 2025 | Blog
Water conservation is a top priority in the golf industry, as superintendents seek innovative ways to maintain high-quality turf while reducing overall irrigation. It is an active area of research and development at GreenKeeper, too. Advances in technology now allow...
