Table 4. Estimated values, standard error (SE), p-value and omega squared (Ω²) of the effects of light, air temperature and precipitation and their two-way interactions on Fv/Fm.

Factors	Estimatedvalue	SE	p-value	Ω 2
(Intercept)	0.67	0.02
Light	−6.5×10−6	0.58×10−6	<.0001	0.015
Air temperature	1.8×10−2	0.14×10−2	<.0001	0.156
Precipitation	4.7×10−3	0.21×10−3	0.45	0.017
Light:Air temperature	4.9×10−7	0.49×10−7	<.0001	0.078
Light:Precipitation	−2×10−8	0.2×10−8	<.0001	0.004
Air temperature:Precipitation	−3.3×10−4	0.16×10−4	<.0001	0.019