Table 1.

Physico-chemical soil parameters of the two test sites: S1 (Inowroclaw) and S2 (Ciechocinek). Listed are the content of cations and anions in saturated extract.

Test site	ECe, dS/m	NaCl, %	Org. matter, %	N total, %	Moisture, %	pH	HCO3−, mg/L	Cl−, mg/L	SO42−, mg/L	K+, mg/L	Ca2+, mg/L	Mg2+, mg/L	Na+, mg/L	Ca/Na
S1	55	3.52	13.4	0.539	150	7.3	742	23,770	573	70	9079	102	8283	1.096
S2	112	7.168	6.88	0.203	73	7.6	714	22,473	2216	256	1117	275	14,579	0.077