Table 2 Elemental contents (μmol/g DW) in the roots and shoots of maize plants under 50 and 100 mM neutral salt stress and alkali stress

515.46 ± 23.73^c

113.48 ± 7.65^c

44.41 ± 2.06^a

5.01 ± 0.52^a

1.77 ± 0.06^a

0.13 ± 0.00^a

0.22 ± 0.01^b

0.23 ± 0.01^b

688.43 ± 36.51^b,c

101.25 ± 5.05^c,d

40.58 ± 2.81^a

4.57 ± 0.32^a

1.18 ± 0.06^a

0.12 ± 0.00^a

0.28 ± 0.00^b

0.20 ± 0.00^b

1007.20 ± 53.67^b

88.56 ± 8.42^d

45.28 ± 3.24^a

5.96 ± 0.09^a

1.36 ± 0.08^a

0.13 ± 0.00^a

0.48 ± 0.02^a

0.27 ± 0.00^b

917.56 ± 40.88^b

137.09 ± 4.68^b

38.87 ± 4.02^a,b

4.11 ± 0.11^a

1.86 ± 0.10^a

0.14 ± 0.00^a

0.31 ± 0.01^a,b

0.26 ± 0.03^b

1303.69 ± 90.81^a

162.56 ± 12.44^a

28.07 ± 1.50^b

5.77 ± 0.22^a

2.13 ± 0.03^a

0.13 ± 0.01^a

0.37 ± 0.03^a,b

0.52 ± 0.02^a

70.47 ± 5.14^c

65.17 ± 5.35^c

87.80 ± 5.49^a

5.56 ± 0.17^a

0.27 ± 0.01^b

0.16 ± 0.00^a

0.32 ± 0.01^b

0.82 ± 0.06^a

89.05 ± 7.39^b,c

62.87 ± 5.16^c

80.48 ± 6.02^a

4.75 ± 0.24^a

0.26 ± 0.01^b

0.17 ± 0.00^a

0.35 ± 0.01^b

0.78 ± 0.04^a

144.66 ± 9.51^b

60.02 ± 2.99^d

73.73 ± 2.43^a

3.24 ± 0.09^a,b

0.18 ± 0.00^b

0.10 ± 0.00^a,b

0.68 ± 0.01^a

1.04 ± 0.07^a

148.73 ± 6.54^b

78.85 ± 7.01^b

76.98 ± 4.56^a

4.21 ± 0.13^a

0.32 ± 0.02^b

0.13 ± 0.00^a

0.36 ± 0.00^b

0.89 ± 0.04^a

194.36 ± 12.78^a

109.45 ± 9.25^a

76.97 ± 3.48^a

2.40 ± 0.21^b

0.50 ± 0.01^a

0.09 ± 0.00^b

0.50 ± 0.01^a,b

0.94 ± 0.03^a