aeration is one of the most beneficial lawn maintenance procedures you
can do to create and preserve a healthy lawn. What is core aeration? Read on...
If your lawn has been compacted
by heavy traffic or you’ve noticed that it doesn’t drain as easily as it
once did, or that water tends to run off slopes much faster than before,
it's likely your lawn needs to be aerated.
While de-thatching the lawn was popular
in years gone by, most agree that
de-thatching is no longer recommended for your lawn. It causes stress to the
existing grass, but more importantly, it tends to create thin or bare spots
for weeds to germinate. Aeration is now the preferred method to decrease
soil compaction as well as break up the thatch layer.
Aeration mechanically removes small plugs
of soil and thatch from the lawn to provide for air, nutrients and water to
reach the root system where they can be more easily utilized.
Normally annual aeration is sufficient
for a good healthy lawn while heavily compacted soils may require additional
A thick thatch layer or compacted soil
reduces the penetration of water into
the soil. Thatch layers can repel water, thereby making it less possible to
get a good soak of water down to the root zone.
Pieces of your lawn are removed with each
plug so that surface air and the root
zone below the soil surface can interact with each other. The aeration
process will leave plugs on the lawn but these will crumble in a few
If you don’t aerate your lawn’s soil,
your grass roots will tend to weave themselves into each other instead of
growing downward into the soil.
Aeration helps to increased root activity
as your grass roots branch out and face less competition from the compacted
soil which results in a thicker more robust lawn.
Aeration should be performed at least
once per year
in either the spring or fall.
Compacted earth and thatch can prevent
water and fertilizer from deeply penetrating the soil,
this tends to cause the roots of the lawn to grow near the surface. Core
aeration breaks up the compacted soil allowing the water, fertilizer and air
to saturate into the root zone.
Aerating Your Lawn: The Core Aeration
Method: Aerated lawns are better able to tolerate
periods of summer drought due to the deeper root growth that aeration
Weeds can tolerate compacted soils
a lot better than your grass can, therefore your weeds have a germinating
and growth advantage over your grass if your lawn is not properly aerated.
The soil cores or “plugs” that are pulled
out of your lawn will break apart on
the lawn surface and mix with the underlying thatch and help to accelerated
the decomposition of the thatch layer.
aeration is one of the best things
you can do to create a healthy, thick and robust lawn.
A superior aeration is accomplished when
the soil has a higher moisture content. If you are contracting out the core
aeration job, ask them if they would like you to water the lawn the night
before they come to your home to do the work.
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