Table 3.

Soil Fe, Cd, Cu, Mo, Mn, Ni, Pb and Zn contents (mg/kg) in Control, Inorganic, C-Low and C-High treatments at the beginning (prior to plant sowing) and at the end (three months after sowing).

Microelement (mg/kg)		Control	Inorganic	C-Low	C-High
Fe	Beginning	17.46a ± 1.37	15.14a ± 0.41	15.67a ± 1.14	14.98a ± 0.31
	End	17.09a ± 1.37	14.47a ± 0.48	15.62a ± 1.06	14.54a ± 0.62
Cd	Beginning	0.451a ± 0.028	0.610a ± 0.128	0.472a ± 0.021	0.457a ± 0.010
	End	0.496a ± 0.035	0.439a ± 0.019	0.479a ± 0.019	0.431a ± 0.020
Cu	Beginning	9.02a ± 0.548	8.66a ± 0.200	9.35a ± 0.394	9.77a ± 0.36
	End	9.87a ± 0.741	8.52a ± 0.233	9.39a ± 0.379	8.98a ± 0.25
Mo	Beginning	0.410a ± 0.01	0.556ab ± 0.256	0.378ab ± 0.033	0.314b ± 0.020
	End	0.309a ± 0.016	0.332a ± 0.042	0.312a ± 0.015	0.258a ± 0.005
		*
Mn	Beginning	305.75a ± 23.21	295.62a ± 2.99	309.32a ± 14.50	286.29a ± 6.32
	End	321.58a ± 11.92	284.59a ± 15.31	306.17a ± 8.78	278.02a ± 13.05
Ni	Beginning	18.69a ± 1.759	17.57a ± 0.111	19.09a ± 1.151	17.23a ± 0.41
	End	20.35a ± 1.559	17.08a ± 0.888	18.82a ± 0.798	16.93a ± 0.37
Pb	Beginning	13.71a ±0.451	13.30a ± 0.102	14.48a ± 0.999	13.88a ± 0.431
	End	15.56a ± 1.07	13.52a ± 0.605	14.35a ± 0.715	13.18a ± 0.353
Zn	Beginning	34.62ab ± 1.980	33.53b ± 0.409	36.19ab ± 1.904	36.24a ± 0.843
	End	37.46a ± 2.114	32.51a ± 1.201	35,87a ± 1.274	33.99a ± 1.100

Different letters mean significant differences among treatments at the same experimental time (n=5). Asterisks mean significant differences between values at the beginning and at the end for each individual treatment.