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Chemical and Biological Technologies in Agriculture

Table 2 Amino acid contents (μmol g −1 fw) in leaves

From: Humic substances stimulate maize nitrogen assimilation and amino acid metabolism at physiological and molecular level

Amino acid

Treatment

 

C

1

5

Aspartate

1.74 ± 0.3

1.97 ± 0.52

1.8 ± 0.45

Threonine

2.78 ± 0.92

3.06 ± 0.96

2.76 ± 0.92

Isoleucine

1.31 ± 0.27

1.46 ± 0.35

1.3 ± 0.62

Lysine

1.36 ± 0.32

1.53 ± 0.47

1.3 ± 0.31

Asparagine

1.7 ± 0.4

1.55 ± 0.18

2.4 ± 0.39

Glutamate

2.85 ± 0.90

3.19 ± 0.96

2.71 ± 0.52

  1. Seedlings were grown for 14 days in a Hoagland modified complete nutrient solution (0) and treated for the last 2 days with HS concentrations of 0, 1 and 5 mg C L−1. Mean values ± SD were obtained from five independent measurements.
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