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Old 01-31-2003, 01:00 PM
Slant7 Slant7 is offline
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Can Any one Help with This?

I work hard to keep a nice lawn, but I always get something that effects the overall out come.
this year I would like to get it right. I am posting a pic to see if any one would know what causes these spots in my yard. I water 5 times a week enough each time to fill tuna can. I fertilize with Scotts turf builder and I aerate with a spike aerator. Every fall I dethatch and scalp the lawn ( Bermuda Hybrid Sod ) all the way to the dirt almost.
Last year I got these spots and then it took over the whole lawn and I my grass had huge brown spots in it.
I also have a female lab that is neutered that loves to take a leak in the grass.
I have a 50”cut Craftsman Lawn tractor that I use in the summer and a 21”cut walk behind mower that I use on the grass in the winter. I also over seed in the winter with a Perennial Rye grass.
I live in Wickenburg Arizona and the elevation is about 2300 feet. Cool nights and Hot days in the summer!
Can anyone HELP?
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Old 01-31-2003, 01:02 PM
Slant7 Slant7 is offline
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Next Pic!
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Old 01-31-2003, 03:45 PM
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goodbeus goodbeus is offline
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Does those spots grow in size, or are they the same, just in more places? My 1st thought would be to check the equipment for any gas or oil leaks...if not that, it may be the dog...I have had clients call witht the same complaint and it was the dogs urinating...
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Old 01-31-2003, 03:56 PM
Slant7 Slant7 is offline
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The spots stay the same size! But if you look at the center of the grass, where it is lighter,that part seems to do well then die in the summer! It turns brown and spreads.
Slant7
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Old 01-31-2003, 04:24 PM
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MacLawnCo MacLawnCo is offline
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Your lawn is most likely suffering from a patch disease. Chemical control for this is extremely dificult or impossible. I would say that the dog is causing these patches due to her urine. One, PITA approach to prevent this is to rinse in the areas where she urinates with a good amount of water so as to lessend the concentration of the active mineral(i forget off hand which it is). It is suggested to aerate the area and reseed with a resistant clutivar, ryegrass is advisable. Spike aerating is non beneficial to the turf. In fact, it creates more compaction than it relieves. To be of any effect, it needs to be core aerated. Good luck
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Old 01-31-2003, 07:01 PM
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Besides the brown spots, you've got a great looking lawn. I bet the neighbors are envious. The spots loo like dog urine damage. Do you have a dog, possibly a female one?
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Old 01-31-2003, 09:50 PM
Slant7 Slant7 is offline
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Bob,
Thank you for the compliment on the grass. Although no one really gets to see it because I live so far out in the sticks. But as far as the dog goes, yes. I have a female lab that has been neutered.

MaclawnCo, thank you for you input also. I have just put a core aerator on order at Home Depot this week! So I will try it this in a couple of weeks. Or is it to early in the season to core aerate?
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Old 02-01-2003, 12:36 AM
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MacLawnCo MacLawnCo is offline
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Slant, i have no clue on the turf cycles in AZ...sorry
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Old 02-04-2003, 05:56 AM
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vipermanz vipermanz is offline
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Ammonia is high in female dog urine, you could try applying lime in the areas to reduce the levels of acidity
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Old 02-04-2003, 07:54 PM
Slant7 Slant7 is offline
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Vipor, Thanks for that bit of info, Great help. But first have you ever tried this method befor I use it. If you have, were the results good? I do have some lime in the shed, just waiting to be used... I would go out and throw some down right now. But would like some input on this before I do.

Thanks,
Slant7
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