I put the series of genki level (GL) blog posts together into this 17 page pamphlet. The pamphlet explains how one can calculate the genki level from the actual N supplied as fertilizer compared to a standard amount of N for any time duration. It goes on to describe how... [Read More]

Mike Richardson shared an image of aerifying half a green at a time. The purpose of this, the superintendent said, was to always have a good surface for the hole. Interesting presentation by a Thai superintendent. Only aerifies half of each green at a time so there is always good... [Read More]

Andrew McDaniel asked me if day length or temperature has a bigger effect on zoysiagrass going into or coming out of dormancy. I hadn’t really thought about that before. When I did think about it, I realized I pretty much only think of temperature, but I wondered if living in... [Read More]

I made a note a couple months ago to make animated charts showing the cool-season (C3) and warm-season (C4) turfgrass growth potential over a 100+ year period for Tokyo. I was interested to see what those charts would look like. Here’s my note: Animate 100 years of GP curves with... [Read More]

A correspondent wrote with this inquiry: “As discussed a question regarding how soil tests work. Do the various soil tests only test for readily soluble nutrients in a given soil sample, for example the ions within the capillary stored soil moisture? Or does a soil test give the measurement of... [Read More]