Change in soil organic material with sand addition

The total organic material in the soil changes based on sand addition, plant production of more organic material, and with natural decomposition. We have received a few questions about the amount of change one can expect to see in total organic material over time.

Sand addition

From a turf manager's perspective, the easiest and fastest way to change the total organic material in a given depth of soil is through sand addition. For example, if we have a 0 to 2 cm surface layer with 6% total organic material, the total organic material will be about 5.7% after 1 mm…