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. 2018 Apr 20;9:489. doi: 10.3389/fpls.2018.00489

Figure 4.

Figure 4

Lavender leaf analysis (micronutrient) of plants grown hydroponically in perlite under different salinity levels (0–25–50–100 mM NaCl) and foliar applications (no foliar, K, Zn and Si). Sub-figures (G–M) referring to different micronutrients and numbering (1–4) referring to the no foliar, K, Zn and Si, respectively. Significant differences (P < 0.05) among treatments are indicated by different letters. Error bars show SE (n = 6).