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Another Soil Sample Query

  • 29-04-2014 5:18pm
    #1
    Registered Users, Registered Users 2 Posts: 255 ✭✭


    Field 1 Lime Req. 8.75 T/Ha PH 5.4 K mg/l 127 P mg/l 4.2
    Field 2 Lime Req. 12.5 T/Ha PH 5.2 K mg/l 90 P mg/l 2.4
    Field 3 Lime Req. 7.5 T/Ha PH 5.1 K mg/l 149 P mg/l 1.7

    1 and 2 have got 1 bag/per acre of gran lime and 2 bags/acre of 18-6-12 since tests were done.

    Also 1 and 2 have got about 10k gallons of watery slurry

    What would the above have raised the results by?


Comments

  • Moderators, Society & Culture Moderators Posts: 12,756 Mod ✭✭✭✭blue5000


    PureBred wrote: »
    Field 1 Lime Req. 8.75 T/Ha PH 5.4 K mg/l 127 P mg/l 4.2
    Field 2 Lime Req. 12.5 T/Ha PH 5.2 K mg/l 90 P mg/l 2.4
    Field 3 Lime Req. 7.5 T/Ha PH 5.1 K mg/l 149 P mg/l 1.7

    1 and 2 have got 1 bag/per acre of gran lime and 2 bags/acre of 18-6-12 since tests were done.

    Also 1 and 2 have got about 10k gallons of watery slurry

    What would the above have raised the results by?

    SFA for lime anyway, maybe 0.2 pH rise with the gran lime. Watery slurry might have the equivalent of one bag of 0 7 30, that's roughly what 1000 gals of un-diluted slurry has. Only way to tell for sure is sample again, we have no idea how much water is in your slurry. What were the recommendations for P and K?

    If the seat's wet, sit on yer hat, a cool head is better than a wet ar5e.



  • Registered Users, Registered Users 2 Posts: 255 ✭✭PureBred


    blue5000 wrote: »
    SFA for lime anyway, maybe 0.2 pH rise with the gran lime. Watery slurry might have the equivalent of one bag of 0 7 30, that's roughly what 1000 gals of un-diluted slurry has. Only way to tell for sure is sample again, we have no idea how much water is in your slurry. What were the recommendations for P and K?

    That's the thing there were no recommendations at all. No details on copper levels, mag etc either. Went through farm planner to get them done.


  • Closed Accounts Posts: 1,921 ✭✭✭onyerbikepat


    PureBred wrote: »
    Field 1 Lime Req. 8.75 T/Ha PH 5.4 K mg/l 127 P mg/l 4.2
    Field 2 Lime Req. 12.5 T/Ha PH 5.2 K mg/l 90 P mg/l 2.4
    Field 3 Lime Req. 7.5 T/Ha PH 5.1 K mg/l 149 P mg/l 1.7

    You can work out your P & K requirements from the attached.
    For example Field 1 is K mg/l 127 so from Table 10 on attached, this is index 3 for K. So from Table 8, this would require 35 Kg/Ha (28 Units/acre) of K for grazing.

    Don't mix up your p & K. They are in other way around on your list.;)


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