Updates

The latest research notes, field observations, and announcements from PACE Turf. Page 24 of 251.

Threat temperatures save time, money and pesticide applications Members only

February 15, 2025

Threat temperatures are a tool that we've developed to help you predict when pests are likely to occur, thus allowing…
The annual NC State diagnostic lab review Members only

February 11, 2025

Lee Butler has prepared the summary of samples submitted to the NC State Turf Diagnostics Lab and shares these interesting…
Photo of the week: more winter color in one C4 species Members only

February 8, 2025

I hadn't noticed the difference in winter color retention in leaves of Stenotaphrum secundatum compared with Zoysia until this (northern…
"Harmonizing" surface performance and growth rate Members only

February 7, 2025

I taught a class at the GCSAA Conference in San Diego last week. The title was "Harmonizing Turf Growth, Soil…
Weather maps for the USA Members only

February 7, 2025

If you are in the USA, you may sometime be able to make use of the detailed maps produced by…
Chart of the week: effective height of cut and green speed Members only

February 2, 2025

I'm using a version of this chart to start a seminar I'm teaching about clipping volume. Why green speed and…
Potassium increases dollar spot? Members only

January 31, 2025

When you think of potassium (K) fertilizer, you probably think of it as beneficial to the grass, rather than as…
Historical nitrogen rates Members only

January 26, 2025

Our current recommendation for nitrogen (N) fertilizer rate is to adjust the N rate based on how much the grass…
Chart of the week: sand topdressing by GP Members only

January 25, 2025

The chart shown here has monthly and annual sand topdressing normal values based on growth potential. This is based on…
Presentations at BTME, summarized Members only

January 24, 2025

I gave three presentations at Harrogate, England, during the 2025 BTME. Slides in handout format, along with supplementary information for…