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Dry Spots Between Rotors

Discussion in 'Irrigation' started by Felco #2, Aug 27, 2010.

  1. Felco #2

    Felco #2 LawnSite Member
    Messages: 41

    I don't think my soil prep quite meets your standards :). It was tilled as deep as a walk behind can till, debris was removed and then raked. My soil sampler makes it down to around 8" before getting tough to insert. Installed the sod June of 2009. I'll pull up my last soil report.
  2. Kiril

    Kiril LawnSite Fanatic
    Messages: 18,308

    Well, that is better than most. Most installers consider no soil prep or a shallow layer of topsoil as "proper" prep. Don't under estimate the importance of SOM, it can make or break a lawn.

    Go pull some cores in the bad areas, then some in good areas, take some close up pics of both, then post.

    You have ruled out disease and/or pests ... right? What are your cultural practices? Fertilizing? Pesticides? Turf type (looks like it might be fescue)? Have you done any soil moisture mapping?
  3. WalkGood

    WalkGood LawnSite Bronze Member
    Messages: 1,910

    Maybe the neighbor's cat likes to pee in that central spot.
  4. Felco #2

    Felco #2 LawnSite Member
    Messages: 41

    Don't get me started on cats! However, I can say that coyotes have now been documented in every county in NC :)
  5. Wet_Boots

    Wet_Boots LawnSite Fanatic
    Messages: 48,945

    Water more.

    This message brought to by your local purveyor, who likes increased revenues
  6. Buck_wheat

    Buck_wheat LawnSite Senior Member
    Messages: 585

    That's the answer... more water!

    If your spray heads are aligned on center you won't get a dry spot. If you do, it may be some sort of pathogen that requires a licensed pesticide applicator, more water and/or fertilizer will make it worse.

    From the pic though, looks like you are missing, I think someone mentioned a rotater in the center.
  7. Sprinkus

    Sprinkus LawnSite Silver Member
    Messages: 2,161

    Any animals peeing in that yard?
    That could cause spots in the yard.
    Hmmm, I see that was already covered.
    Time for more coffee.:sleeping:
  8. Wet_Boots

    Wet_Boots LawnSite Fanatic
    Messages: 48,945

    this problem didn't happen when we used triangular spacing :)
  9. Sprinkus

    Sprinkus LawnSite Silver Member
    Messages: 2,161

    But triangular spacing is too hard! :eek:
  10. 1idejim

    1idejim LawnSite Fanatic
    Messages: 10,035

    educate me :confused:

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