Table 1.

Basic soil physical and chemical properties (means ± standard deviation).

Parameter	Unit	Value
pH (H2O)		5.67 ± 0.05
Solid particle density	g cm−3	2.65 ± 0.06
Sand	g kg−1	850
Silt	g kg−1	90
Clay	g kg−1	60
Soil organic carbon	g kg−1	6.43 ± 0.08
Total N	g kg−1	0.54 ± 0.01
P	mg kg−1	188 ± 11
K	mg kg−1	305 ± 29
Ca	mg kg−1	207 ± 17.9
Mg	mg kg−1	236 ± 12.5
EC	µS cm−1	32.2 ± 4.35
Cd	mg kg−1	0.19 ± 0.01
Pb	mg kg−1	37.9 ± 0.5
Zn	mg kg−1	16.5 ± 0.1