* According to Nollendorfs (unpublished compilation), Bergmann (1988), Čekstere (2011), Čekstere and Osvalde (2013) and Cekstere et al. (2016)
Table 3. Macro and micronutrient content in foliage ofTilia x vulgaris trees from the selected street line sites of Riga’s street greenery (September 16, 2014). The sites are arranged in the Table according to the increasing salt contamination in foliage. The values (mean + SE, N=3) below the (…..) and above ( .) the sufficiency range for deciduous trees are outlined. For elements showing significantly different values between sites (one-way ANOVA, P < 0.05), the significant contrasts between sites are specified using different letters (Tukey’s post-hoc test, P < 0.05)