Updates

The latest research notes, field observations, and announcements from PACE Turf. Page 17 of 251.

Rootzone and topdressing sand size Members only

July 31, 2025

Wouldn't it be convenient if topdressing or rootzone sands could be evaluated by a single number? It's not quite possible…
Photos of the week: grass tags after two types of mowing Members only

July 26, 2025

I suppose I've imagined this to be the case, but I never really looked at it this carefully. Then a…
Normal sunshine and temperature, July Members only

July 25, 2025

I've found it interesting and informative to make scatterplots of temperature and sunshine hours for different locations. The chart here…
Soil nitrogen and turf conditions Members only

July 25, 2025

Too much soil nitrogen is not a good thing. See these updates for examples and case studies: - Turf damage…
Dry spot and droplet test Members only

July 18, 2025

Localized dry spot is a common problem that can be caused by a variety of factors (see this PACE Insights).…
More about fungicide use and disease intensity Members only

July 18, 2025

I wrote about this in a previous update: Dollar spot: reduced disease severity with reduced fungicides. When I met Dr.…
Photo of the week: yellow spot on creeping bentgrass Members only

July 17, 2025

I've seen yellow spot all over the world: this week in Japan, last year in Delaware and Georgia and Japan,…
Green speed and growth rate Members only

July 11, 2025

Green speed is faster when grass grows more slowly. That's not shocking news, because we all know that limiting irrigation…
Everything you ever wanted to know about localized dry spot Members only

July 11, 2025

Localized dry spot (LDS) is one of the most prevalent problems on golf courses, affecting all turf types in all…
Photo of the week: bermudagrass mite damage Members only

July 10, 2025

I never would have suspected this would be a mite issue and three different varieties of bermudagrass on the fairway.…