Turf Management FAQs(4)
FAQ - Golf Course Maintenance and
Agronomics
If this section does not answer your
particular question, please post your Turf Management questions
here
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At a recent Green Committee meeting our golf course
superintendent suggested closing the course for one day a
week to accomplish essential agronomic practices. Will
this really help? topClosing the golf course on a regular schedule is a good way
to improve course conditioning when important agronomic
practices cannot be performed due to heavy play.
Important preventative maintenance can be done in a timely
manner, and worker productivity improves significantly.
For example, productivity can drop by as much as 40% when the
maintenance staff encounters golfers on the course because they
are obligated to step aside and wait.
Our greens were in great shape and now our golf course
superintendent ruined them by punching holes all over
them. I think she is being overprotective of them and
just too stubborn to change her ways. Is this aeration
all that important? topAeration is an extremely important maintenance
practice. Although it results in a temporary disruption
of the green, aeration improves water penetration into the
soil, reduces soil compaction, stimulates turfgrass root growth
for a healthier plant, helps control thatch build-up, and
improves overall growing conditions. Aeration generally
is done once or twice per year, and sometimes more often if
certain problems exist.
Think of it like going to the dentist for your twice-yearly
check-up. The same holds true for aeration. You can
skip a visit to the dentist, but you will contribute to
problems over the long term. You can skip one of the
semi-annual aerations, but this can result in a faster turf
loss. Your superintendent isn't being
overprotective. She is doing exactly what should be done
to ensure long-term turf health.
What is the Stimpmeter and how does it
work? topThe
Stimpmeterâ
is a 36-inch long, aluminum tool used by golf course
superintendents to make a standard measurement of the relative
speed and uniformity of their greens. A Stimpmeter
reading is actually a distance measurement in feet and
inches.
At one end is a ball release notch that is designed so that
a golf ball will always be released and start to roll when the
Stimpmeter is raised to an angle of approximately 20 degrees to
horizontal. The basic steps to measure green speed start
by rolling three golf balls in one direction on a level area of
the green. The three distances are measured and
averaged. Using the average stopping point of the first
three golf balls, this step is repeated along the same line,
but in the opposite direction. The distances obtained in
steps one and two are averaged, resulting in the Stimpmeter
reading for the green. The longer the distance, the
faster the green. A reading of 8 - 9 feet is considered a
medium to fast speed for day-to-day play.
The Stimpmeter is a helpful management tool for the golf
course superintendent in providing smooth, consistent putting
surfaces, but is not intended for course-to course comparisons
by golfers.
I've played a lot of golf courses and have seen hole
locations all over the place. What is the USGA's
recommendations regarding hole
locations? topThe USGA frequently receives requests for guidelines with
respect to selection of hole locations on the putting greens,
particularly during competitions. There are no rules regarding
hole locations, so there is no such thing as an
"illegal" hole location. However, we do
have some guidelines.
Many factors affect selection of hole locations. The first
and most important is good judgment in deciding what will give
fair results. Do not be tricky in locating holes. There
should be enough putting green surface between the hole and the
front and the sides of the green to accommodate the required
shot.
In any case, it generally is recommended that the hole be
located at least five paces from any edge of the green. If a
bunker is close to the edge, or if the ground slopes away from
the edge, the distance should be greater, especially if the
shot is more than a pitch.
An area two to three feet in radius around the hole should
be as nearly level as possible and of uniform grade. A
player above the hole should be able to stop the ball at the
hole. Consider the condition of nearby turf, especially
taking care to avoid old hole plugs that have not completely
healed.
We have bentgrass fairways and I'm confused as to what to
do with my divots. Are we better off replacing the
divot or just filling the scar with the sand/seed mix that's
provided? topIf the divot has some soil attached and hasn't been blown
into a hundred pieces, it will heal quickly if it is replaced
immediately. Be sure to replace the divot (green side
up!) and step on it to establish contact with the soil
below. If the divot cannot be replaced, then the
sand/seed mixture should be used in the scarred area.
Golfers who take the time to replace a divot properly or repair
divot areas help keep the fairways in good condition for their
fellow golfers.
We have bermudagrass fairways at our golf course. I
want to be mindful of the proper etiquette, so how do I handle
any fairway divots that I might create?
When the bermudagrass is actively growing, applying straight
sand or a prepared mix to the divot areas will help the scar
heal rapidly and level the playing surface for your fellow
golfers. The same procedure can be used when the
bermudagrass is dormant or if the surface has been overseeded
for the winter months.
What are the USGA's recommendations when selecting sand
for bunkers? topThe USGA has never had specifications for bunker sands. The
article "Selecting and Handling Sand,"
Green Section Record
, November/December 1983, provides general guidelines regarding
the sand's particle size, shape, composition, color, and
other factors that will be helpful for the initial selection
process.
Remember, a sand's playability is subjective. It is a good
idea to develop a test bunker so that several of the potential
sands can be installed and sampled by the golfers. The test
bunker should be used for several months before a final
decision is made. This will help form a general consensus
that will be useful in the ultimate selection of the sand. Keep
in mind, bunker sand becomes firmer over time, as it becomes
contaminated with soil and organic particles.
Should bunker rakes be placed inside or outside of the
bunker? topThere is no set rule as to where the bunker rake should be
placed. It is recommended that rakes be placed outside
bunkers and in positions where they will be least likely to
affect play. Other considerations, such as golf course
maintenance and the size and design of the bunkers, will impact
the final decision made at each course.
Our golf course is developing a master plan for renovating
the course. The proposal includes the removal of many
trees around the greens and tees. I hate to see even
one removed. Is it normal to remove so many
trees? topMany golf courses implement tree-planting programs that
result in over-crowded trees. As the trees mature, they
dramatically affect the way the course plays and create
increased shade and reduced air movement around the green and
tee areas. This condition results in weakened turf that
needs more irrigation, fertilizer, and pesticides to
grow. Good turf needs good growing conditions, and tree
removal is an essential part of master plans on many older
courses.