Table 3: Chemical properties of the representative profiles.

Soil numberDepth (cm) pHKCl pH ( )OC%SARCCE% EC
dSm−1
CECK+Na+Mg2+Ca2+ Fed (%)
(1 : 2.5)cmolckg−1

10–257.657.797.60−0.190.347.421.3729.8541.40.67208.56.50.16
25–787.607.767.55−0.210.207.024.9827.526.30.22144.53.50.15
78–1107.557.687.50−0.180.236.619.8332.533.40.36167.24.30.14
100–1507.707.877.62−0.250.127.723.7018.1131.30.1715.45.23.30.15

20–207.857.977.80−0.170.183.627.040.9621.50.236.84.82.50.09
20–507.908.037.86−0.170.143.727.550.4018.20.225.74.62.20.10
50–1007.807.957.73−0.220.131.828.321.2015.40.203.44.32.40.09
100–1507.907.947.74−0.200.160.724.460.9311.70.171.41.72.30.10

30–307.757.907.70−0.200.373.551.54.2823.30.407.76.72.80.11
30–807.797.937.74−0.190.204.657.167.0034.70.2512.1103.20.13
80–1507.837.977.78−0.210.174.558.975.4829.50.2210.883.70.09

40–207.857.947.80−0.140.332.428.842.6417.60.515.24.75.30.10
20–707.938.027.92−0.100.353.028.851.4516.10.185.21.34.60.12
70–957.807.927.75−0.170.301.027.291.0314.40.181.841.54.80.11
95–1507.948.017.90−0.110.431.627.981.2111.70.152.60.84.30.15

50–457.757.887.72−0.160.351.558.201.5415.10.212.80.66.50.12
45–1507.908.047.85−0.190.380.356.450.3713.20.200.40.56.40.13

60–427.787.97.71−0.190.293.928.245.1627.50.399.76.66.50.09
42–887.908.087.86−0.220.332.623.532.1019.50.175.74.85.00.11
88–1507.898.067.87−0.190.164.825.364.9225.80.2310.85.84.50.12

70–367.687.817.57−0.240.372.961.454.5524.30.226.95.16.70.10
36–867.807.957.72−0.230.392.160.415.2526.70.245.46.16.40.09
86–1507.847.987.80−0.180.292.960.674.9625.80.267.58.94.50.10

80–307.807.917.76−0.150.242.231.120.5716.80.3642.64.30.09
30–707.857.897.83−0.060.252.131.900.8018.40.243.82.24.80.06
70–1507.817.857.78−0.070.263.328.50.6617.50.1862.74.30.07

OC: organic carbon; SAR: sodium adsorption ratio; CEC: cation exchange capacity; Fed: dithionite citrate bicarbonate; CCE: calcium carbonate equivalent; EC: electrical conductivity.