GREENKEEPER BLOG

Moving Beyond Pretty Maps

Today's weather forecast shows a 10% chance of rain in the late morning. Do you throw your rain gear in the cart? What if the forecast shows a 30% chance at 7:00 a.m.? Even without formal training in statistics, we use probabilities like these to make practical...

GreenKeeper Models Provide More Insight Than Simple GDD Calculators

​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...

Upgraded GreenKeeper CIS Includes POGO Integration

Many turf management decisions are inherently spatial—where water is needed, where pests typically occur, and where additional management is required to achieve specific performance goals. Historically, these patterns have been managed through careful observation,...

Learning the Microclimate: GreenKeeper Insight Improves Forecast Accuracy

Accurate weather forecasts are central to irrigation scheduling, spray timing, and stress management, yet most forecasts are built for regions—not individual golf courses or athletic complexes. Terrain, tree cover, elevation, and nearby bodies of water create...

Move Past Yesterday’s ET: The Predictive Advantage of GreenKeeper wX

Agronomic models are only as good as the data they receive. GreenKeeper’s models rely on high-quality, site-specific weather inputs to perform at their best. Adding a wX station dramatically improves the accuracy and resolution of those data. While weather stations...

Invest in Yourself and Staff with GreenKeeper University

Advance your turf management knowledge at your pace with GreenKeeper University. Our team of renowned turfgrass professors, researchers and practitioners have created 18 different online courses to help advance the knowledge of turfgrass managers. Students can enroll...

Seeing Turf Differently: Exploring the GreenKeeper RECON Turf Vision Sensor

Turfgrass managers possess an exceptionally keen eye for detecting turf stress. That can be both a blessing and a curse in late summer. I remember dreading the morning drive to Ager Golf Course after being surprised by disease or drought stress the day before. Even...

Silverado is Championship Ready with GreenKeeper

Silverado Golf Resort is once again in the spotlight as host of the PGA Tour’s ProCore Championship, and this year the course also welcomed the U.S. Ryder Cup team during tournament week. Behind the scenes, Director of Agronomy David Walter and his staff rely on the...

Driving Progress: How the GreenKeeper Team is Advancing Turf Management

Just as turf managers worked tirelessly through another challenging summer, our team at GreenKeeper has also been busy. With the arrival of meteorological fall, it’s a perfect time to reflect on the progress we’ve made together—on the course, on the research plots,...

“Models are Wrong,” Yet Some are Incredibly Useful for Turf Management

All models are wrong, but some are useful. — British Statistician George E. P. BoxThis 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...
Target Pests and Save with GreenKeeper CIS

Target Pests and Save with GreenKeeper CIS

Turfgrass sprayer systems with GPS guidance can do more than reduce over-spray. These high tech platforms can be used to precisely target specific pests on your course or fields. The mapping software within GreenKeeper CIS makes it easy for users to map pest...

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Shade Management is Growth Management

Shade Management is Growth Management

Turf growing under shade stress is difficult to manage. Most grass species evolved in sunny growing environments. That means shorter day lengths and lower sun elevations during the fall can quickly lead to problems. The cause is simple, really. Energy in (sunlight) is...

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Grow-in Guidance: Tools to Track Overseeding Progress

Grow-in Guidance: Tools to Track Overseeding Progress

The process of seeding newly renovated turf areas or overseeding dormant bermudagrass can be stressful. Golf course and sports fields operators need these surface back in-play quickly. Turf managers are tasked with several decisions regarding seed variety and pricing,...

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Mad-Tiller Disease

Mad-Tiller Disease

Bacterial etiolation or "Mad-Tiller" disease is a very frustrating growth disorder that has perplexed many turfgrass managers and researchers. While the Kerns and Vargas labs have independently shown the rapid leaf growth rate is most likely the result of bacterial...

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When Half an Inch Is Not

When Half an Inch Is Not

Not all precipitation events are created equal. That was definitely the case in Southeast Nebraska during the last week of July 2024. The high temperatures had been around 100F with dew points were in the 70s. Any storm that develops during those conditions can...

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HOW-TO Guide: Water Resource Planner

HOW-TO Guide: Water Resource Planner

The Water Resource Planner in GreenKeeper App is the most powerful irrigation scheduling tool in the professional turfgrass management market. It uses advance agronomic and meteorological models to predict changes in soil moisture with hourly resolution. While the...

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