Chart of the week: normal OM246

Total organic material by depth (OM246) testing is an effective way to check how much organic material is accumulating just below the turf surface, and to monitor the effects of sand topdressing and organic matter removal work.

This chart shows the average and extreme values for samples collected from golf course putting greens in the PACE Turf database. This represents more than 5,000 individual tests from many grass species from around the world. The values shown in the chart are…