hardness

Surface hardness of eight grass species on putting greens
Yesterday I wrote about tools used to measure surface hardness. I’ve used all of those tools, and I prefer the golf course firmness tester from SDI (a 500 g Clegg impact tester with a domed head) for its ease of use and reliability.
Last updated on 2021-04-13 1 min read
Surface hardness of eight grass species on putting greens
Four tools to measure surface hardness
There are various tools available to measure surface firmness, or surface hardness, of turfgrass. For golf course putting greens, I’ve used four different tools, and my preferred method is the golf course firmness tester from SDI.
Last updated on 2022-05-16 3 min read
Four tools to measure surface hardness