Page 36 - World Reference Base for Soil Resources of Thailand
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Land Development Department Library




             Analytical data




              Horizon      pH          Clay (%)     Silt (%)     OC (%)      CEC       CEC       BSP (%)
                              water                                              s         c
                 Apg         4.7         15.9         43.3        0.85        5.2       32.7       28.0

                 Btg         4.5         31.4         30.4        0.60        5.6       17.8       17.0

                 Btc         4.9         34.5         40.0        0.48        7.1       20.6       15.0

                BCg1         4.8         33.6         42.3        0.31        7.1      21.1        11.0


                BCg2         4.9         36.8         37.3         0.6        7.7      20.9         9.0






             Soil fertility





                                                                                                 Fertility
              Depth (cm)        OM           CEC            BS          Avai. P      Avai. K
                                                                                                  level


                  0-25          low          low           low            low         low          low


                 25-50          low          low           low            low         low          low
                50-100          low          low           low            low       medium         low




































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