Table 1: Characteristics of soil profile, where BD: bulk density; O.M.: organic matter content; CaCO3: calcium carbonate content; and CV: coefficient of variation.

Sampling level (m)Sand (g·kg−1)CV (%)Silt (g·kg−1)CV (%)Clay (g·kg−1)CV (%)BD (Mg·m−1)CV (%)Porosity (%)CV (%)O.M. (g·kg−1)CV (%)CaCO3 (g·kg−1)CV (%)

0–0.0511320.16725.521527.41.02.359.41.11149.71423.1
0.05–0.101393.76561.22046.51.27.252.76.5716.016410.3
0.10–0.151285.26602.02137.71.36.650.66.44711.51735.2
0.25–0.3015229.56117.32380.01.54.741.17.01132.93300.6
0.50–0.5520119.15854.02147.21.60.140.70.630.148815.4
0.75–0.801582.85793.62649.61.65.838.99.2126.25141.3
>0.801288.35953.327710.81.50.045.20.120.24483.5