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...Soil sampling procedures the method and procedure for obtaining samples vary according to purpose of analysis may be needed engineering agricultural purposes in this publication is described which done fertility evaluation fertilizer recommendations crops results even very carefully conducted are as good sample itself thus efficiency testing service depends upon care skill with collected non representative constitute largest single source error a programme it noted that most important phase accomplished not laboratory but field where soils sampled from place view efforts should made take such way fully normally one ten gram used each chemical determination represents accurately possible entire surface cm weighing about million kg ha tools accessories depending precision required following taking auger tube post hole or screw type spade clean bucket tray cloth mixing sub bags specific size copying pencil markings tags tying information sheet selection unit visual survey precede actual n...