Page 48 - World Reference Base for Soil Resources of Thailand
P. 48
Land Development Department Library
Analytical data
Horizon pH Sand (%) Silt (%) OC (%) CEC BSP (%)
water c
Ap 5.2 81.5 13.5 1.5 30.0 100.0
C1 6.0 83.0 15.5 0.8 53.3 100.0
C2 6.5 86.5 11.5 0.3 15.0 100.0
C3 6.4 87.0 10.5 1.2 48.0 100.0
Cg 6.4 74.0 20.5 0.6 10.9 100.0
Soil fertility
Fertility
Depth (cm) OM CEC BS Avai. P Avai. K
level
0-25 low low medium medium low low
25-50 low low medium low low low
50-100 low low medium low low low
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