Laser surveying will tell you exactly where discrepancies occur down to about 1cm of change. This can be done on a 1 metre grid so that you end up with a very clear colour coded picture of the green surface.
However, once you have a survey result in front of you, what do you do with it?
Well you could embark on a program of localised top-dressing as I have seen some clubs do, but this is a largely futile process, as you simply can’t make a big enough impact in a reasonable timeframe for it to be truly noticeable or beneficial or worth the investment. In to the bargain, as you are doing this the green is changing all of the time.
Heavy rolling should be avoided, but regular light to medium weight rolling with a tru-level type roller is very beneficial.
In the end you must Read more