Solution concentration (mg∙L⁻¹)

As

B

Ca

Cu

Fe

K

Mg

Mn

Mo

P

S

Zn

Coreopsis lanceolata

0.00

29.2 a^Ɨ

89.57 a

85.86 ab

87.60 b

39.65 ns

79.44 a

87.28 ns

87.87 ns

43.42 ns

70.52 a

63.43 ab

70.70 a

0.75

13.3 b

82.00 b

86.00 ab

93.32 a

29.32 ns

78.33 a

82.07 ns

85.14 ns

48.88 ns

68.11 a

71.05 a

75.18 a

2.25

13.3 b

86.69 ab

89.48 a

94.68 a

29.71 ns

75.72 a

84.00 ns

87.57 ns

45.63 ns

61.44 a

58.71 b

67.06 a

5.25

6.8 b

73.78 c

82.87 b

96.26 a

27.78 ns

59.08 b

80.75 ns

88.58 ns

53.58 ns

50.18 b

44.95 c

48.55 b

Iris savannarum

0.00

40.92 b

67.55 ns

75.23 ns

70.16 ns

56.13 a

75.67 ns

72.04 ns

61.22 ns

60.13 ns

68.56 ns

69.31 ns

52.67 ns

0.75

44.96 ab

70.04 ns

74.28 ns

68.42 ns

56.94 a

80.54 ns

75.47 ns

55.17 ns

56.03 ns

71.23 ns

69.53 ns

52.30 ns

2.25

33.74 b

76.99 ns

75.54 ns

88.46 ns

27.51 b

83.33 ns

73.40 ns

48.27 ns

76.12 ns

74.48 ns

73.75 ns

64.78 ns

5.25

69.25 a

77.25 ns

76.25 ns

60.17 ns

23.75 b

82.61 ns

75.87 ns

45.24 ns

67.06 ns

76.82 ns

74.14 ns

67.39 ns

Tagetes erecta (marigold)

0.00

17.69 ns

85.37 ab

85.77 ns

86.47 ns

11.54 b

91.24 ns

81.61 ns

48.02 ns

24.20 ns

94.00 ns

76.10 ns

71.04 ns

0.75

30.24 ns

88.89 a

88.10 ns

87.85 ns

23.77 a

92.06 ns

86.94 ns

54.51 ns

38.36 ns

94.77 ns

81.89 ns

70.89 ns

2.25

16.64 ns

87.75 ab

86.01 ns

92.78 ns

16.65 ab

89.80 ns

83.91 ns

52.34 ns

26.65 ns

92.79 ns

79.10 ns

61.46 ns

5.25

38.43 ns

84.47 b

87.02 ns

76.31 ns

14.69 ab

89.47 ns

84.22 ns

57.96 ns

31.37 ns

93.61 ns

80.10 ns

68.14 ns

Helianthus annuus (sunflower)

0.00

44.47 ns

95.54 ns

93.14 ns

94.24 ns

47.53 ab

90.68 ns

95.33 ns

62.30 ns

69.04 ns

92.83 ns

86.34 b

84.07 ab

0.75

43.92 ns

96.81 ns

95.84 ns

96.68 ns

45.62 ab

93.05 ns

97.06 ns

71.28 ns

77.03 ns

92.95 ns

93.88 a

90.52 a

2.25

45.41 ns

97.36 ns

95.67 ns

97.57 ns

65.78 a

93.09 ns

97.23 ns

76.15 ns

74.63 ns

93.35 ns

91.65 ab

83.83 ab

5.25

44.88 ns

95.65 ns

94.45 ns

93.94 ns

35.98 b

91.13 ns

96.26 ns

66.63 ns

65.49 ns

90.97 ns

93.52 a

78.01 b

Panicum virgatum (switchgrass)

0.00

23.58 ns

57.77 a

33.78 a

86.35 ns

9.29 ns

75.92 a

61.64 a

26.70 ns

43.59 a

77.00 a

65.02 a

59.27 b

0.75

20.69 ns

51.64 a

31.74 ab

79.37 ns

4.53 ns

73.37 a

59.54 a

26.00 ns

25.84 b

70.32 ab

64.86 a

70.81 a

2.25

5.00 ns

49.90 a

29.69 ab

87.64 ns

3.27 ns

64.50 b

49.85 ab

27.54 ns

40.38 a

65.37 b

61.57 a

56.58 b

5.25

18.13 ns

31.90 b

17.24 b

66.76 ns

3.25 ns

63.51 b

39.96 b

15.69 ns

22.05 b

71.04 ab

46.44 b

35.84 c

Tithonia rotundiflora

0.00

25.93 b

82.67 ns

84.66 ns

135.50 ns

22.28 ns

79.75 ns

86.20 ns

48.66 ns

18.70 ns

88.74 ns

78.00 ns

55.36 ns

0.75

45.84 a

86.42 ns

90.63 ns

44.96 ns

18.63 ns

80.26 ns

92.37 ns

58.60 ns

20.53 ns

89.86 ns

80.10 ns

56.54 ns

2.25

49.08 a

88.10 ns

86.51 ns

52.94 ns

26.60 ns

86.30 ns

91.52 ns

46.98 ns

34.38 ns

85.28 ns

82.66 ns

57.19 ns

5.25

31.80 ab

82.54 ns

85.96 ns

49.39 ns

11.12 ns

77.90 ns

89.52 ns

47.26 ns

31.40 ns

83.62 ns

76.29 ns

40.82 ns