Skip to main content

Table 2 Soil chemical characteristics in the land-use systems

From: Soil carbon stock and emission: estimates from three land-use systems in Ghana

Soil depth (cm)   Land-use type  
  Arable land Oil palm plantation Forest land LSD (0.05) F pr CV (%)
0–15 pH (1:1 H2O) 6.17 5.85 4.80 0.66 0.01 6.8
SOC (%) 0.69 0.91 1.11 0.09 < 0.001 6.4
Total N (%) 0.05 0.08 0.11 0.02 < 0.001 11.5
Ava. P (mg kg−1) 23.00 21.91 25.74 1.90 0.01 4.7
Exchangeable cations (cmol(+) kg−1 soil)       
K+ 0.21 0.23 0.28 0.04 0.01 8.7
Ca+ 1.03 1.58 1.70 0.34 0.01 13.6
Mg2+ 0.48 0.58 1.00 0.43 0.05 37.1
Na+ 0.12 0.16 0.22 0.03 0.001 12.8
Al3+ 0.09 0.12 0.17 0.03 0.02 12.1
ECEC 1.92 2.65 3.38 0.23 0.001 11.6
15–30 pH (1:1 H2O) 6.15 5.90 4.83 0.33 < 0.001 3.4
SOC (%) 0.58 0.90 1.01 0.12 < 0.001 8.6
Total N (%) 0.05 0.08 0.08 0.01 0.001 12
Ava. P (mg kg−1) 22.43 21.10 25.58 3.33 0.04 8.4
Exchangeable cations (cmol(+) kg−1 soil)       
K+ 0.17 0.21 0.18 NS 0.21 19.2
Ca+ 0.73 1.88 1.78 0.45 0.001 17.9
Mg2+ 0.7 0.55 1.47 0.35 0.001 22.4
Na+ 0.09 0.10 0.13 NS 0.09 24.4
Al3+ 0.06 0.09 0.11 0.02 0.002 21.5
ECEC 1.74 2.83 3.67 0.88 0.003 20.67