pH

Fresh weight (g·plant⁻¹)

Nutrient concentrations

N (mg·g⁻¹)

P (mg·g⁻¹)

K (mg·g⁻¹)

Ca (mg·g⁻¹)

Mg (mg·g⁻¹)

Root

7.00

8.17 ± 0.73

33.77 ± 1.54

2.41 ± 0.10

10.24 ± 0.87

12.63 ± 0.29

3.69 ± 0.13

5.50

7.77 ± 0.20

42.70 ± 1.81

3.05 ± 0.09

9.68 ± 0.67

8.90 ± 0.27

2.83 ± 0.12

4.00

6.70 ± 0.40

43.89 ± 1.06

4.45 ± 0.38

3.80 ± 1.20

8.00 ± 0.48

1.70 ± 0.32

3.50

5.77 ± 0.62

53.00 ± 2.06

3.71 ± 0.37

3.63 ± 1.33

5.54 ± 0.33

1.09 ± 0.06

LSD_0.05

1.73

5.41

0.89

3.42

1.15

0.61

Coefficients of regression equation^b

y₀

3.86

66.33

5.85

−3.87

−0.17

−1.31

a

0.65^**

−4.60^***

−6.49^**

2.14^***

1.79^***

0.73^***

R²

0.55

0.76

0.62

0.72

0.89

0.92

Shoot

7.00

78.50 ± 11.29

27.70 ± 0.99

1.30 ± 0.09

21.78 ± 0.27

10.68 ± 0.45

4.09 ± 0.57

5.50

82.33 ± 0.83

34.89 ± 2.42

1.66 ± 0.27

20.86 ± 0.89

10.51 ± 0.40

4.52 ± 0.30

4.00

61.57 ± 3.80

37.58 ± 2.83

1.37 ± 0.12

25.61 ± 1.07

11.09 ± 0.85

3.86 ± 0.07

3.50

50.73 ± 3.35

35.67 ± 0.71

1.62 ± 0.19

21.98 ± 2.16

8.22 ± 0.23

3.80 ± 0.65

LSD_0.05

20.70

6.38

ns^a

ns

1.74

ns

Coefficients of regression equation

y₀

27.95

46.12

1.73

25.61

8.00

3.47

a

8.07^*

−2.43^**

−0.05 ns

−0.61 ns

0.43 ns

0.12 ns

R²

0.50

0.51

0.05

0.11

0.19

0.05