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Old 01-22-2008, 08:32 PM
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mrkosar mrkosar is offline
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Aeration after premergent studies

Anyone read any reports or studies on whether aerations break the barrier of premergents? Can you posts links?

What about dethatching or power raking?
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Old 01-22-2008, 09:01 PM
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RigglePLC RigglePLC is offline
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My experience is that power edging ruins the crabgrass barriar along the concrete edge.
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Old 01-23-2008, 08:38 AM
garydale garydale is offline
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Old 01-23-2008, 09:36 AM
JWTurfguy JWTurfguy is offline
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Here's something to get you started.

http://www.umassgreeninfo.org/public.../hn0701web.pdf

Aeration does NOT affect the preemergent barrier, despite popular opinion, most likely because the actual aeration holes only cover a small percentage of the actual ground cover itself.
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Old 01-23-2008, 09:39 AM
JWTurfguy JWTurfguy is offline
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Another point along those lines....anytime you're dealing with compacted turf (except for when it is dormant and the ground is frozen), you're always better off aerating. Remember, some annual weeds such as goosegrass (commonly confused with crabgrass) actually thrive in compacted soils. Properly aerated soils contibute to healthy turf, hence, less opportunity for crabgrass or any other weeds to creep their way in. The bottom line is don't wait until the summer/fall to get done what needs to be done right away.
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Old 01-23-2008, 10:51 AM
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mrkosar mrkosar is offline
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Quote:
Originally Posted by JWTurfguy View Post
Here's something to get you started.

http://www.umassgreeninfo.org/public.../hn0701web.pdf

Aeration does NOT affect the preemergent barrier, despite popular opinion, most likely because the actual aeration holes only cover a small percentage of the actual ground cover itself.
thanks turfguy, that is exactly what i was looking for.
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Old 01-23-2008, 05:44 PM
timturf timturf is offline
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Quote:
Originally Posted by JWTurfguy View Post
Here's something to get you started.

http://www.umassgreeninfo.org/public.../hn0701web.pdf

Aeration does NOT affect the preemergent barrier, despite popular opinion, most likely because the actual aeration holes only cover a small percentage of the actual ground cover itself.

Been numerous studies done on this....general aerification doesn't break the barrier
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