Why do we Topdress?

Thatch control, drainage, correcting compaction, and smoothing surface irregularities are four of the primary reasons for topdressing.
Top dressing is one of our main tools for promoting firm and true putting surfaces. It is also the key ingredient for making the greens indigenous to improving the cultivar of grass that we are trying to promote. It is one of the most important jobs we do to improve ariation in the soil with sand particles breaking down any OM (organic matter).
Through the growing season we aim to top dress once every four to six weeks and we usually apply around six dressings per year (trying to achieve around 150 tonne of sand per year). * Royal Cromer Golf Club
How much does it cost per year to Topdress a Golf Course?
A golf course uses annually approximately 110 tonnes of topdressing per hectare, this works out at on average 120-150 tonnes annually although links courses can use up to 350 tonnes a year.**
Again on average the cost per year of topdressing material alone can be in the region of £8,000 (without any labour or machinery costs). **
Are there any alternatives to Topdressing?
Yes Ultragrooming,
What is Ultragrooming?
Ultragrooming is a process that removes the puffiness and thatch from your greens and fairways significantly reducing the need to topdress.
With regular use it is the pre-eminent solution to help minimize puffiness and remove organic matter in both high density creeping bent and Bermuda grass thereby reducing the scalping and foot-printing that plagues these new grasses. It will remove unsightly seed heads in Poa annua turf with minimal fuss. On newly established greens it can help reduce the ingress of Poa annua by “grabbing” individual Poa plants before they get a chance to take hold. It will produce a superior fine leafed Poa turf stand when used regularly on Poa dominant greens.
A single ATT Ultragrooming cassette is fitted with over 80 1.3mm tungsten tipped Carbide blades spaced at 5mm apart designed to vertically groom through the grass standing it up and removing thatch, letting in light, air and moisture to enable better and stronger growth naturally without the aid of large amounts of Topdressing material.
How much does Ultragrooming cost?
As part of the TM System, an Ultragrooming cassette package to fit your existing triple mower costs in the region of £5,230 and cuts down the need to top dress dramatically, you will see improvement in your greens, reduced costs due to the need to top dress less and also environmental benefits from not paying for and also the shipping of expensive and dwindling stocks of sand.
We estimate that through the cost savings you’ll make in the first year alone through decreased use of topdressing material you will have more than paid for the Ultragroomers and will then also have a basis for a full turf maintenance package of fourteen cassettes that you can build on year on year.
The question is really not why do why Topdress, but why don’t we Ultragroom?

*http://www.royalcromergolfclub.com/page.aspx?pid=28470
** http://hughking.co.uk/sands/wp-content/uploads/2014/05/GI-Sep-article.pdf