[Patrick_Mucci]

Pat:

Not sure that I fully understand your questions. 

I assume you are asking why we only are considering 12 holes but my post said we are only doing 17 greens and the reason for that is one of our greens was already blown up and redone to USGA specs in 2012 shortly after we hosted the U.S. Women's Amateur. 

No, that's not it.

I asked my question because Greg made the following statement:

What is your prescription for maintaining them as push ups knowing the desired green speeds are around 12 and that isn't changing anytime soon.


The course is located in Northeast Ohio about 20 miles southeast of downtown Cleveland.
Our season is typically six months from April 15th to October 15th and we aerify usually around Oct. 10th. 


I asked this question in order to get some idea of the climate on the course where they're trying to keep the greens at 12.

That's a pretty lofty speed, especially in the summer months in Northeast Ohio.

[JT Taylor]

Pat:

Ah, now I understand your question.  It is likely my "newbie" status on this discussion board that caused your confusion.  My initial post above had nothing at all to do with Greg's initial post; I simply searched for an historical post on XGD and piggybacked onto that thread.  My post was asking a question about XGD but it had nothing to do with Greg's initial post. 

My bad.

That said, I would agree with you that speeds approaching 12 would be, in my opinion, unsustainable over long stretches of time given the humidity and rainfall that we experience in Northeastern Ohio.  We typically shoot for a consistent 10 - 10.5 feet but obviously weather is a big factor for us.

My question was centered mostly around what we should do at our club immediately after the installation of XGD regarding aerification.  I wasn't sure that it made a ton of sense to do a deep tine aerification a week or two after completion of the XGD installation given the stress that I assume the installation will put on the greens but I obviously know virtually nothing about the process other than with I've read online.

Thanks.

[Frank Pont]

http://canadiangolfer.com/g4g/2014/04/25/ontario-courses-with-poa-greens-struggle-to-deal-with-cold-weather-carnage/

[Alan FitzGerald CGCS MG]

s centered mostly around what we should do at our club immediately after the installation of XGD regarding aerification.  I wasn't sure that it made a ton of sense to do a deep tine aerification a week or two after completion of the XGD installation given the stress that I assume the installation will put on the greens but I obviously know virtually nothing about the process other than with I've read online.

Deep tining should remain part of the yearly practices. The channels, when filled with sand, help modify the profile, which in turn will (eventually) help water movement laterally to the drains. My only concern that soon after XGD would be the aerator lifting the sod, which would create a huge mess, so it would be best hold off until it knitted.

Alternately you could do a Dryject which won't affect the sod and it would help get some more sand into the surface layer, although one time is not going to do much.

[RDecker]

JT,

Some years ago we did the greens drainage at my course and the biggest obstacle afterward was keeping the turf in the drainlines
alive in the heat of summer.  The drains made it so that the area in the trench would wilt/dry out so much quicker than the turf on the rest of the green that we were constantly hand watering the trenches on even moderate heat days.  Additionally after the fact the lines from the drains were hard to blend back in with the other turf and that process can be slow depending on what grass varieties you already have or are trying to encourage.

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