Table 2: Physicochemical properties of the soil samples.

SamplepHOrg. CT. NExchangeable bases (cmolc kg−1)CECBase sat.Particle size analysis (%)
KClH2O%%CaMgNaKMeq/100 g%Sand Silt Clay

AD26.67.63.80.51.50.80.10.23.671.851.231.417.4
AD35.76.71.20.31.60.70.10.23.672.281.211.47.4
NB6.57.42.80.41.40.70.10.22.979.553.227.419.2

Org. C: organic carbon; T. N.: total nitrogen; CEC: cation exchange capacity; Base sat.: base saturation.