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I received this question about leaching salts from the rootzone: “I remember talking to you once before regarding flushing excess salts from the root zone and the application of gypsum or other calcium products before the flush and you telling me it was not necessary.

“Do the MLSN guidelines use 17 essential nutrients? I’ve found a couple good articles,” my friend wrote, “but I couldn’t really find a number on the MLSN website.” “That’s an interesting question,” I replied, “and I may answer it on my blog.

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 saw a video with the question “what is your favorite fertility practice?” That segment starts at the 2:00 mark. Then on Twitter I saw some comments about how funny the answers to that question were.

A correspondent wrote: I’m hoping to get your thoughts on something I came across today. I was discussing greens fertilising whilst at a friend’s course this morning. He went on to get his new toy, the […] He’s started to use the salinity level reading as an indicator to fertilise.

When I wrote this post back in 2017, I’d just had a conversation about this very question. “I think it is a tiny amount,” I said, “although sometimes I hear really large amounts when people tell me how much N comes in rain.

I’d like to make three points. 1- Surfaces can be great, and the roots can be negligible. If the objective of greenkeeping work is to produce the desired surface, then one only needs enough growth to produce that surface.

The idea that golf courses in Japan with the two green system have a summer green and a winter green is not quite correct. Nor is the two green system used exclusively with one warm-season grass green and one with cool-season grass.

I went to Sydney, Adelaide, and Brisbane to discuss the MLSN approach to soil test interpretation in four seminars organized by Living Turf. In these seminars, I explained that the use of the MLSN guidelines is as simple as planning how many beers to buy for an upcoming party.

Five years ago I wrote about my workflow to keep up with turfgrass information. From 2012, Productivity 1: what’s my workflow? and Productivity 2: my turfgrass information workflow. In the first part, I explained that I used