Figure 3

Contribution of different products on the foliar mineral nutrition of kale (Brassica oleraceae var. acephala) at 23 days after transplanting and eight days after inoculation with Xanthomonas campestris pv. campestris. Asterisks refer to significant increment or decrement of the means compared to the control (water) according to the Tukey test at 5% probability (original means are presented in the supplementary Table S2).