Note that 3- and 4-way interactions were excluded from the models.
Non-significant factors/interactions with P > 0.1
are denoted as n.s.. df , degrees of freedom of the model and
residuals.
Table 2 . Summary of 2-way ANOVA models of effects of
CO2 and water table (WT) and their interaction on the
measured physiological response variables of S. majus .