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When I received an e-mail from Tom Sedlmeier a couple months ago, I was reminded of this update on the Sports Turf Solutions Facebook page in 2012: I just read a blog that puts every Turf Managers [sic] budget under scrutiny.

The recording of my webinar on preventing nutrient deficiencies is available in Spanish and in English. This was fun. I hope you’ll read the handout too. It is only 4 pages, with lots of white space, and gives a brief overview of this important topic.

This is nothing new. We’ve been discussing this for a long time. But these charts are new. I wanted to explain why I don’t worry about micronutrients. I’m going to explain this in words first, and show the charts at the very end.

This was a new one to me. I saw the course laid out at the Ayutthaya Historical Park and thought it looked similar to Park Golf. But where Park Golf involves hitting the ball into a hole, a woodball hole is completed when the ball passes through a gate.

Frank Rossi and Dan Dinelli had an interesting conversation on Turfnet Radio. I learned a few things, and I even agree with some of what they discussed. But not all of it.

Ryan Goss made a good point in the discussion about how much fertilizer is applied on golf courses.1 There are two basic scenarios. The first scenario is no soil testing, in which it makes sense to apply the same amount of fertilizer, $F$, as the grass can use, $G$.

I took 82 flights in 2016, for a total of 221,494 km (137,000 miles), and I’ve just mapped them. That’s more than 5 times the circumference of the earth. Routes flown once are more blue, and the routes flown more often are more red.

You can find the treemap here. This was a follow-up to my analysis of the 30 countries that sent the most visits to the blog this year. I thought it would be interesting to show the number of golf holes per country all in one chart, so I made one.

That arrived in my inbox recently, plus a few questions about calculating K requirements using the MLSN guidelines, and whether if there are minimum levels, are there optimum levels too? Here’s how I answered.

Visitors to the ATC blog in 2016 have come from 153 countries. Of course some countries have a big population, and lots of turfgrass, like the United States, so I would expect a lot of visits from there.