“I don’t really need to show any data for this to be certain”

After Paul Robertson asked if anyone is using a Pelzmeter, a long discussion followed, and the notifications on my Twitter account blew up. I think the conversation is still happening. My only contribution to that conversation was to share a link to an article by Richards et al. that shows the Pelzmeter and the Stimpmeter… Continue reading “I don’t really need to show any data for this to be certain”

“Already proving to be more valuable than I originally expected”

When I read Jason Haines’ interesting post about clipping yield, soil mineralization, and disease rates and came to the part where he said measuring all the greens was more valuable than he expected, I was glad to read that. I wanted to say “I told you so,” because this is a number that I think… Continue reading “Already proving to be more valuable than I originally expected”

MLSN newsletter in 33 countries

I mapped the subscribers to the MLSN newsletter. As of this week, there are 393 subscribers from 33 countries. GeoChartID743326b97d4 Data: d2 • Chart ID: GeoChartID743326b97d4 • googleVis-0.6.2 R version 3.3.2 (2016-10-31) • Google Terms of Use • Documentation and Data Policy

A water budget that accounts for rootzone depth

There is an excellent article in the Green Section Record that explains how to estimate irrigation water requirements. Based on this approach, where the grass uses a certain amount of water, and then one accounts for the effective precipitation, it seems like one has the answer to the irrigation requirement. If the grass needs the… Continue reading A water budget that accounts for rootzone depth

Air temperature and surface temperature

I read a Greencast Tech Note that said: “Given adequate moisture is present, and no air movement, the turf canopy temperature is 15 F higher than the air temperature in full sun.” I was surprised by that, because I’ve been measuring air temperature and surface temperature occasionally since 2014 and I have not measured a… Continue reading Air temperature and surface temperature