Page 33 - World Reference Base for Soil Resources of Thailand
P. 33
Land Development Department Library
Analytical data
Horizon pH Clay (%) Silt (%) OC (%) CEC CEC BSP (%)
water s c
Apg 4.3 16.8 78.1 1.06 4.2 25.0 55.0
Bg 4.7 21.7 71.1 0.20 4.5 20.7 36.0
Btg1 4.9 24.0 68.2 0.14 4.4 18.3 30.0
Btg2 5.4 36.6 56.0 0.11 9.2 25.3 16.0
Btg3 5.1 44.9 51.0 0.10 10.6 23.6 24.0
Btg4 5.2 39.2 53.9 0.07 8.9 22.7 24.0
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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