Table 3.

Effects of sodium chloride applications on growth and chlorophyll fluorescence of Italian alder growing in well drained and waterlogged compost^{^z}.

Treatment	Stem Growth (cm)	Chlorophyll Fluorescence (Fv/Fm)
Well Drained Compost
Distilled Water^{^y}	47.3	0.84
2% Salt	44.4ns^{^x}	0.82
4.5% salt	41.9^*	0.81
7% salt	38.3^**	0.80
Waterlogged Compost
Waterlogged (W)	12.1^**	0.83
W + 2% salt	8.6^**	0.82
W +4.5% salt	7.4^**	0.80
W + 7% salt	5.4^**	0.80
r² adj =	0.09%

↵z Measurements taken at day 60; n=6
↵y Trees growing in freely drained compost sprayed with distilled water were used as controls
↵x ns = not significant;
↵* = significant at P<0.05;
↵** = significant at P<0.01 compared to controls