Fig. 5From: Exogenous short-term silicon application regulates macro-nutrients, endogenous phytohormones, and protein expression in Oryza sativa L.Effects of Si application on nitrogen uptake in rice plants. Figure (a) shows the 15N ratio in rice plants at 6Â h exposure and Figure (b) indicates the 15N ratio in rice plants at 12Â h exposure. Each bar shows the standard error of the means of three replicationsBack to article page