Table 1.

Soil physical properties at the experimental site.

Depth from the top (m)	Unit	0–0.1	0.1–0.3	0.3–0.65	0.65–0.95	0.95–2.0
Dry soil bulk density	g cm− 3	1.53	1.53	1.52	1.52	1.52
Residual water content	%	4.1	4.1	4.1	4.1	4.1
Saturated water content	%	47	45	43	36	30
Water content at wilting point	%	12	12	12	10	10
Saturated matrix conductivity	mm d− 1	250	200	150	60	0.03
Saturated total conductivity	mm d− 1	800	500	200	3	0.36
Macro-pore volume	%	4	4	4	4	4
Pore size distribution index	–	0.19	0.19	0.18	0.16	0.14
Air entry pressure	cm	2.2	2.5	2.2	3.07	3.5
pH value		4.6	4.6	5	5	5