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Chemical and Biological Technologies in Agriculture
Figure 2 | Chemical and Biological Technologies in Agriculture

Figure 2

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

Figure 2

Fresh weight (g) of leaves (a) and roots (b). 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. The fresh weight was expressed in g. Values are means of three independent determinations (±SE). Letters above bars indicate significant differences (P < 0.05).

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