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Ground Temp's - Help??

Discussion in 'Lawn Mowing' started by Bull, Mar 13, 2005.

  1. Bull

    Bull LawnSite Senior Member
    from NC
    Posts: 308

    When the topic of applying pre m's comes up the timing of the application refers to ground temperature. How do you measure this?
  2. LonniesLawns

    LonniesLawns LawnSite Senior Member
    from KS
    Posts: 317

    Measure soil temperature using a probe themometer at 4" depth at daybreak.
  3. gaulk

    gaulk LawnSite Member
    Posts: 83

    i don't know if it was B.S. , someone told me too watch the ocean temp. spring and summer are all most similar temps. :confused:
  4. Mo Green

    Mo Green LawnSite Bronze Member
    Posts: 1,487

    I don't know about that one... News to me. In my understanding ground temp is important because crab grass and other weeds do not begin to germinate until the soil reaches a certain temp, like 55 degrees.
  5. green with envy

    green with envy LawnSite Member
    Posts: 219

    I use a food thermometer and put tape on it at the 2 Inch mark and Check the soil in my yard at the same time every couple of days in the spring. Also check it in the same place...Same exposure.

    I think that most Lesco stores have current soil temps posted.

  6. rodfather

    rodfather LawnSite Fanatic
    Posts: 9,501

    That's my understanding as well, around 50 or 55 degrees...same rule of thumb for new seeding.

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