TABLE 5.

Macroelements concentration in the metal-polluted waste heap (WH) and non-polluted reference (R) soils.

Concentration (in soil d.w.)	WH	R
Ca [mg×kg–1]	14,250 ± 8,586	3,179 ± 596*
K [mg×kg–1]	7,312 ± 2,059	22,489 ± 1,064*
Na [mg×kg–1]	570 ± 117	6,327 ± 741*
Mg [mg×kg–1]	7,739 ± 561	2,403 ± 465*
Nog [%]	0.23 ± 0.10	0.12 ± 0.05
N-NH4+ [mg×kg–1]	3.36 ± 0.57	5.04 ± 2.25*
N-NO3– [mg×kg–1]	0.38 ± 0.13	3.11 ± 0.53*
d.w. [%]	77.70 ± 2.77	88.93 ± 3.49*

d.w., dry weight. Significant differences between groups were marked with an asterisk.