Figure 4 | Scientific Reports

Figure 4

From: Co-application of proline or calcium and humic acid enhances productivity of salt stressed pomegranate by improving nutritional status and osmoregulation mechanisms

Figure 4

Effect of Proline (Pro) and Calcium (Ca) as foliar application alone or incombination with humic acid (Hc) as soil application on (a) fruit number, (b) fruit weight (g) and (c) yield (kg/tree) of ‘Wonderful’ pomegranate trees grown under salt stress conditions. The different letters on the bars in each column represent significant difference at p ≤ 0.05; errors bars are standerd error of three replicates. Pro: 5 mM proline alone as foliar application; Ca: 1.5% calcium as foliar application alone; Hc: 15 g humic acid as soil application alone; Pro + Hc: 5 mM porline and 15 g humic acid; Ca + Hc: 1.5% calcium and 15 g humic; Ctrl: control (non treated).

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