Table 1. Physical and chemical parameters of soils A and B.

Physical parameters	Soil A	Soil B	Unit
Clay (< 2 μm)	397	192	g kg-1
Silt	485	463	g kg-1
Sand	118	345	g kg-1
Water field capacity	352	247	g kg-1
Chemical parameters	Soil A	Soil B	Unit
pH	7.75	5.46	-
Total C	36.1	29.2	g kg-1
Total N	3.8	2.69	g kg-1
C- to N- ratio	9.5	10.9	-
Organic matter	62.5	50.6	g kg-1
P	0.031	0.025	g kg-1
K	0.158	0.0877	g kg-1
Ca	7.17	1.1	g kg-1
Na	0.0115	0.0129	g kg-1
Mg	0.0541	0.0789	g kg-1
Fe	0.526	0.227	g kg-1
CECa	18.3	10.8	cmol+.kg-1 b

^aCEC: Cation Exchange Capacity

^bcmol+.kg^-1: centimoles of positive cations per kg of soil