Originally Posted by foreplease
Something to keep in mind is that if you are removing clippings you are mining a great deal of K out of your lawns. It could amount to as much as a pound per 1,000 per year.
That is a good point... I wonder just how much nutrient is being removed from the soil everytime the clippings are bagged and dumped... restoring NPK would not likely cover the whole spectrum of what was taken out...