Table 2. The results of soil analysis in terms of heavy metals before and after four-month nettle cultivation.

(mg/kg dw)	Pb	Cd	Zn	As
original soil	354.1 ± 10.6	1.9 ± 0.1	96.7 ± 2.9	9.9 ± 0.3
vegetated soil	336.8 ± 0.6	1.8 ± 0.0	77.9 ± 1.0	10.4 ± 0.1