Table 1 Concentration of minerals in herbs (g kg⁻¹ dry weight) at various sampling sites

3.42 ± 0.08^A,a

3.75 ± 0.07^a

4.14 ± 0.03^a

42.44 ± 2.39^b

26.35 ± 1.15^a

37.64 ± 1.15^ab

4.52 ± 0.01^b

3.89 ± 0.02^ab

3.60 ± 0.00^bc

1.28 ± 0.24^a

2.77 ± 0.27^a

1.75 ± 0.20^a

4.67 ± 0.30^a

3.45 ± 0.65^a

7.57 ± 0.65^b

30.46 ± 0.49^a

30.61 ± 0.29^a

36.90 ± 0.29^ab

4.53 ± 0.01^b

3.68 ± 0.01^a

4.91 ± 0.00^c

1.37 ± 0.06^a

1.24 ± 0.01^a

3.73 ± 0.04^b

4.78 ± 0.74^a

5.35 ± 0.80^ab

6.85 ± 0.80^ab

47.45 ± 2.36^b

39.50 ± 1.97^ab

33.33 ± 1.97^a

3.65 ± 0.01^b

4.92 ± 0.02^b

5.40 ± 0.01^c

4.21 ± 0.19^b

4.10 ± 0.60^b

7.70 ± 0.15^c

5.66 ± 0.10^ab

4.44 ± 0.03^a

8.59 ± 0.03^b

37.08 ± 0.90^a

34.49 ± 1.56^a

40.22 ± 1.56^b

3.48 ± 0.01^b

3.66 ± 0.01^a

4.94 ± 0.01^c

2.38 ± 0.08^a

2.29 ± 0.05^a

2.33 ± 0.13^a

7.25 ± 0.06^b

6.60 ± 0.02^b

7.07 ± 0.02^ab

29.68 ± 0.80^a

60.24 ± 0.88^c

26.43 ± 0.88^a

4.23 ± 0.01^b

4.51 ± 0.01^b

4.34 ± 0.01^bc

7.21 ± 0.13^c

3.13 ± 0.01^b

3.78 ± 0.06^b

6.95 ± 0.80^b

6.70 ± 0.76^b

7.66 ± 0.76^b

33.57 ± 1.77^a

42.54 ± 2.09^b

42.02 ± 2.09^b

2.84 ± 0.00^a

3.16 ± 0.02^a

1.91 ± 0.01^a

2.00 ± 0.02^a

2.03 ± 0.03^a

2.21 ± 0.02^a

7.24 ± 0.35^b

7.58 ± 0.53^b

7.25 ± 0.53^b

32.45 ± 0.71^a

56.01 ± 1.86^c

55.54 ± 1.86^c

2.55 ± 0.01^a

3.31 ± 0.01^a

1.50 ± 0.01^a

2.56 ± 0.03^a

3.13 ± 0.30^b

2.91 ± 0.13^a