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why do golf courses aerate

by Malinda Schinner Published 3 years ago Updated 2 years ago
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This is the case because:

  • Aeration loosens soil that has been compacted by golfers walking over it and machines rolling over it.
  • This opens up growing room for the roots and increases oxygen to the roots.
  • The roots of the turfgrass thus can grow deeper, creating a healthier putting surface.

We aerate to improve, not annoy
Putting greens receive more traffic than any other playing surface. The aeration process helps relieve the compaction caused by all that traffic. It also helps create a firm, smooth putting surface by controlling thatch and promoting healthy turf roots.
Sep 7, 2017

Full Answer

What is golf course aeration and why is it important?

You curse to yourself because you know the golf course has aerated. However, golf course aeration is a good thing, and it helps to keep our golf courses in great shape, even when the weather turns against golf course superintendents. Aeration is designed to basically let golf course grass breath and stretch out a little bit.

Should I aerate my golf core?

Keep in mind that every time you comment on the exceptional conditions during the golf season, a large part of maintaining those conditions is routine core aeration. Do not lose sight of the long-term goal because of the short-term inconvenience.

How long does it take to aerate a golf course?

The aeration holes are then filled with topdressing -- typically sand -- and usually hit with the sand a second time after the first filling settles into the core holes. It usually takes a golf course two weeks to recovery from properly done golf course aeration.

How do golf course superintendents aerate?

So, golf course superintendents aerate so you have a better golf course. They can do that with a variety of methods, but the general idea is to either make punch marks in the soil with rolling spikes or using equipment to create varying size soil cores that are pulled out of the ground.

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How often should you aerate a golf course?

Many golf courses will aerate two or three times in a given year. However, aeration is only done when turf is healthy and actively growing, so as to promote a speedy recovery. grasses such as bermudagrass and paspalum, core aeration is best performed in late spring and throughout the summer.

How long does it take a golf course to recover from aeration?

It can take up to a couple of weeks for the greens to recover, but these procedures are critical for the long-term health of the greens. This is typically done one to three times a year, depending on the course, the type of greens, and in what part of the country they are located.

Why do golf courses punch the greens?

The Purpose of Punching The goal of aerating greens is twofold. First, the process helps to reduce the likelihood that the soil will compact on the greens. The second goal is to get air circulating down through the soil and the roots. The hope is that this will keep everything healthy for many years to come.

How do they aerate golf greens?

To aerify a golf green a piece of machinery built for the task cores the ground (punches holes and removes the dirt) in a certain pattern. (The small cores of dirt that are removed are called "plugs.") Air and water are thus infused into the ground at root level, and space opened up for new root growth.

Is it worth playing on aerated greens?

Putting greens receive more traffic than any other playing surface. The aeration process helps relieve the compaction caused by all that traffic. It also helps create a firm, smooth putting surface by controlling thatch and promoting healthy turf roots.

Can you putt on aerated greens?

The holes punched during aeration are smaller and the greens heal more quickly than the old days of course maintenance. Still, there is no denying that recently aerated greens play differently than greens in peak condition. They roll more slowly and the punched holes can knock a putt off line.

How long does aeration last?

Therefore, to achieve sustained benefits from aeration, courses must routinely aerate – i.e., aerate approximately once every six weeks or more frequently.

Why do golf courses put sand on the greens?

Sand helps cushion leaf tips and crowns and reduces algae. Increased Firmness – Turf produces organic matter in the upper rootzone that creates soft, spongy playing conditions. Regular sand topdressing, along with core aeration, improves surface firmness and resiliency.

Do golf courses use liquid aeration?

Patented solution is the most powerful liquid aeration available and is used on the best golf courses, stadiums, and resorts worldwide.

How often are golf greens mowed?

How often putting greens are mowed is dependent on staff size and budget, but grass type and weather also play a role. On average, greens are mowed at least five days per week, and in most cases six or seven days per week.

Why do they poke holes in grass?

It's important to aerate – essentially, poke holes in – your lawn at least once a year. Aeration loosens up the soil, improves drainage and air flow around the plants, and it promotes root depth and root growth. We bet you'll see thicker grass growth and healthier color in your lawn just a week or two after you aerate.

Why do they spike greens?

Spiking is carried out for two distinct purposes; to improve the ability for air and in particular oxygen to get into the soil and to relieve compaction within the soil, which also has the effect of creating more air space. Compaction results from foot and maintenance traffic, which puts downward pressure on the turf.

What is a golf course aeration?

Aeration is designed to basically let golf course grass breath and stretch out a little bit. It's designed to control what's known as "organic matter," dying grass and grass parts, while loosening compacted soil and allowing water to flow better underground.

How does aeration help golf course grass?

Aeration is designed to basically let golf course grass breath and stretch out a little bit. It's designed to control what's known as "organic matter," dying grass and grass parts, while loosening compacted soil and allowing water to flow better underground. By having compacted, poor-performing or dead grass parts in the soil, the healthy turf can struggle to grow and develop strong roots. Compacted soil, created from foot traffic, weather and other factors, reduces oxygen levels in the soil and can inhibit water getting to turf roots. All of this compacting and organic matter can also make for a softer golf course because it's unable to drain water and push new turf to the surface.

Why do golf course superintendents aerate?

So, golf course superintendents aerate so you have a better golf course. They can do that with a variety of methods, but the general idea is to either make punch marks in the soil with rolling spikes or using equipment to create varying size soil cores that are pulled out of the ground. These holes allow for excess moisture to evaporate and better chemistry in the soil to promote healthy turf growth.

How long does it take to recover from a golf course aeration?

It usually takes a golf course two weeks to recovery from properly done golf course aeration.

Why do you curse yourself for a golf course?

You curse to yourself because you know the golf course has aerated. However, golf course aeration is a good thing, and it helps to keep our golf courses in great shape, even when the weather turns against golf course superintendents. Aeration is designed to basically let golf course grass breath and stretch out a little bit.

Why do tines help with aeration?

When soil compacts, it restricts grass from receiving water and oxygen. The holes punched by the tines help, Mark says, because they “create space so the grass can breathe, absorbing more water and oxygen.”

Do golf courses need aerators?

The answer is underneath your feet. They might be hated by golfers, but aerators are a crucial element of golf course maintenance. If you’ve ever had a root canal, you understand your superintendent’s conflicted feelings about aerating greens.

Why do golf courses need aeration?

The bottom line on why golf courses go through the process of aerified greens is that over time it keeps the greens healthier. This is the case because: 1 Aeration loosens soil that has been compacted by golfers walking over it and machines rolling over it. 2 This opens up growing room for the roots and increases oxygen to the roots. 3 The roots of the turfgrass thus can grow deeper, creating a healthier putting surface.

Why do golf courses have aerating greens?

The bottom line on why golf courses go through the process of aerified greens is that over time it keeps the greens healthier. This is the case because:

What About Those Aeration Holes: Do You Get Relief?

Those pesky aeration holes may be around for a couple weeks. They are quite annoying at first but still noticeable and perhaps distracting for another week or two after that.

What is aeration in golf?

Think of golf course aeration as preventive maintenance: It's the (typically) annual process of punching little holes into greens (and sometimes fairways) that opens up growing room for grass roots and helps keep the turfgrass healthy. (It's also called "aerification.")

What is topdressing in golf?

The holes left behind are filled with sand in a process called "topdressing.". Once topdressed, a course is said to have "sanded greens.". The greens are left alone for a few days (although golfers may still play them) and the grass allowed to grow. The topdressing gradually disappears as watering takes place.

How does a golf green aerify?

To aerify a golf green a piece of machinery built for the task cores the ground (punches holes and removes the dirt) in a certain pattern. (The small cores of dirt that are removed are called "plugs.") Air and water are thus infused into the ground at root level, and space opened up for new root growth. The holes left behind are filled ...

Where is the ball placed on the putting green?

The most to-the-point part of that local rule is this: "On the putting green, a ball that comes to rest in or on an aeration hole may be placed at the nearest spot not nearer the hole that avoids the situation.". Because such a local rule would be of limited duration, it would not be printed on the scorecard.

When to aerate golf courses?

Certain courses may not be able to complete the aeration in the late Spring due to play volume. In those cases, aeration in the early Fall followed by less aggressive aeration in the early Spring will achieve solid results. However, it is twice as much work.

Why is aeration important in putting greens?

This is because aeration is most effective when the grass is healthy and actively growing. Greens recover more quickly and weeds don’t have the opportunity to invade because the turf quickly recovers. This minimizes the amount of time the green will be sub-optimal for play. However – even at its worst the aeration only impacts 5-10% of the putting surface.

Why do you need to apply sand to aerated holes?

The sand used to fill the aerated holes must be carefully applied to avoid abrading the turf to the potentially abrasive nature of the sand. Generally, the sand should be applied in stages to avoid causing damage.

What is topdressing in aeration?

Topdressing, the process of filling the aeration holes with sand or other organic materials.

Why do you aerate greens?

With all this traffic the greens suffer from “compaction” which can weaken roots. Aeration clears out space on the greens to promote healthy roots and reduce thatch. Aeration will enable root systems to grow deeper into the soil. Thatch is basically old plant material that accumulates on the surface of the soil. It acts like a sponge, holding water near the surface which creates inconsistent green speeds and increases the likelihood of disease.

Does nitrogen affect grass growth?

Careful nutrient balancing after aeration is critical, as apply excessive nitrogen on the turf will cause grass growth that will reduce green speed.

Why do golf courses aerate?

Golf courses aerate their greens for four major reasons, all of which affect turf health. Aeration is usually performed in order to remove organic matter, decompress the soil, improve the drainage of the soil, and help promote root growth. Without aeration, organic matter (i.e. bacteria and other plants) build up on the surface of the turf.

What happens during core aeration?

During core aeration, holes of almost half an inch are removed from the ground and then replaced with sand. This removal of dirt cores causes the unsightly marks on the greens that many northern golfers are accustomed to late in the season. Obviously, all of these small holes change the roll of the greens and the appeal of the golf course, ...

Why is aerated greens important?

So great, we know that aeration is important, but how can we keep it from ruining our scores on the green? Aerated greens provide a unique challenge for golfers because they contrast the typically smooth and predictable motion of the ball. For example, if you dropped a ball straight down on a normal green you wouldn’t expect the ball to roll very far from where it landed. However, on an aerated green, if your ball lands on the side of a dirt core that has been removed it can travel in a completely different direction from the predicted ball flight.

How does venting aeration work?

During the playing season, courses usually choose to do venting aeration which is basically placing a bunch of small needles into the ground in order to break up the turf. This process is done throughout the year and is usually does not affect ball roll or playing conditions at all after a couple days.

How long does it take for a green to recover from aerated greens?

Great advice about hitting the ball low and a bit harder on aerated greens. Normally it takes about a week for the greens to recover to.llayable conditions and 2 to 3 weeks to be back to normal, during that time I work on my GIR percentage and focus less on my short game and score.

What is core aeration?

Core aeration compared to a normal green. Well, along with venting aeration, many courses may choose an aeration strategy that is much more aggressive once play dies down for the year. This is known as core aeration. When you mention aerated greens, core aeration is what comes to the mind of most golfers because it almost always results in ...

How to make the best aerated greens?

As we mentioned above, having the ball land on the side of a removed core basically leaves the result of the shot to chance depending on the angle of impact the ball has with the hole. By keeping your ball flight low you have a higher chance of rolling the ball over each hole which will help keep your ball on a more predictable path towards the hole.

How many different types of aerating are there?

First of all, there are probably as many as five different types of aerating practices, according to Adam Moeller, director of education for the USGA Green Section. The least invasive small-tine aerating hardly disrupts the playing surface at all and is usually very playable immediately afterwards, but its effectiveness is certainly debatable.

What irritates golfers more than anything?

What irritates golfers more than anything, of course, is when they show up for their tee time, only to find out then that the greens were recently aerated, or worst yet, don't discover it until they get to the first green. The latter is certainly rare, and the former is becoming less common, too, as courses know this doesn't exactly create good will with their customer base. Letting golfers know before they show up to the course should probably be the minimum practice, and most courses are trying to do that.

Do you putt on greens that have been aerated?

Most golfers know the importance or aerating greens. Even if they don't understand why, they know it's necessary. Still, no one likes to putt on greens that have been recently aerated, especially a deep-tine aeration with core removal and top dressing. Trying to putt over holes is frustrating at best, and often golfers who do play in such ...

Do golf courses send out alerts?

As all of us have become more tied to our phones and computers, and facilities have extensive emailing lists, many courses send out alerts to their regular customers, letting them know when greens are going to be aerated. And most courses will inform golfers who reserve a tee time by phone if greens have been recently aerated. (It saves a lot of potential grief for shop personnel later).

Can you play rough greens after aerating?

Golfers looking to save a little money on green fees who don't mind rough greens would be well advised to check out course websites and get on mailing lists. Sometimes, the greens are surprisingly playable following an aggressive aerating, especially if you wait a few days after the procedure when the maintenance crews have had a chance to "whip" the sand off the greens and run the mowers and rollers.

Should golfers know before they practice?

Letting golfers know before they show up to the course should probably be the minimum practice, and most courses are trying to do that. How courses and clubs communicate this to golfers varies, of course.

Does the USGA have an aeration model?

And now, the USGA through its course consulting service, has created an "aeration model" for golf facilities and their superintendents, using the course's own data, which includes round history, green fees and recovery times. The model blends agronomic practices with financial considerations.

Why is aeration performed?

Weather plays a large role in turf recovery. Thus, performing aeration when the weather favors turf growth leads to quicker recovery. Additionally, aeration is stressful on plants.

Why is core aeration important?

Core aeration is critical to turf's health and performance. Aerating when grass is at peak health will encourage quick recovery and minimize playing surface disruption. Many golf courses throughout the Mid-Atlantic region consider mid-August an indicator that aeration is upon us. Depending on location, desired turf species and golf calendar, ...

Why fill holes with sand after aeration?

Following aeration, especially on greens, filling each of the aeration holes with sand will promote quicker recovery and improve ball roll. There is no denying that surface disruption occurs during aeration and that greens will play differently following aeration.

When is the best time to aerate bentgrass?

The range of ideal weather varies depending on the desired turf species. In other words, if your course is promoting bentgrass, mid-August to early September is a good time to aerate. The warm days and cool nights of early fall favor bentgrass growth, ...

Can sand be used to fill aeration holes?

However, effects on playability as a result of aeration can be minimized if aeration channels are completely filled with sand. Ultimately, applying enough topdressing sand to fill aeration holes will result in a smoother post-aeration surface that recovers quicker than a surface with open aeration holes.

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