Updates

The latest research notes, field observations, and announcements from PACE Turf. Page 18 of 252.

Off-type grasses on greens Members only

August 8, 2025

Chris Neff has an article in the USGA Green Section Record about off-types. Read the article here: Managing Off-Types in…
From the archives: Removal of coarse sand from topdressing Members only

August 7, 2025

Removal of Coarse Sand from Topdressing on Putting Green Turf, Hui Chen1, James Hempfling2, Kyle M. Genova1, Chas Schmid3 and…
Live with Dr. Ming-Yi Chou about fungicides and disease Members only

August 3, 2025

On Monday, August 4, at 09:00 New York time, 13:00 UTC, and 21:00 in Singapore, Dr. Ming-Yi Chou will join…
Where to find small magnifying loupes? Members only

August 1, 2025

I've shared photos and updates with images of small loupes that are convenient for taking close up photos of grass…
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.…