Table 2: The average topsoil properties of 32 dryland fields and 16 forest sites in the Haean catchment.

Parameter Dryland sites Forest sites
Mean (%) Std. dev. (%) Mean (%) Std. dev. (%)

N 0.06 0.02 0.41 0.17
C 0.53 0.30 5.77 2.47
SOMa 0.98 0.53 9.92 4.25
Clay 5.43 2.98 12.27 4.87
Silt 22.32 7.10 38.81 9.79
Sand 72.26 9.97 48.91 14.01

Soil organic matter; note that SOM of forest sites was estimated by multiplying C by 1.72.