Table 2.

Differences among the three oak leaf flushes (Quercus robur) in the concentration of primary compounds (nitrogen and phosphorus) and secondary compounds (flavonoids, hydroxycinnamic acids, condensed tannins and hydrolysable tannins) during the early, mid and late season.

Response variable	Predictor	χ 2	df	P
Nitrogen	Leaf flush	2357.95	2	<0.001
	Season	116.63	2	<0.001
	Leaf flush × Season	136.21	3	<0.001
Phosphorus	Leaf flush	560.56	2	<0.001
	Season	897.40	2	<0.001
	Leaf flush × Season	420.00	3	<0.001
Flavonoids	Leaf flush	1851.89	2	<0.001
	Season	1592.06	2	<0.001
	Leaf flush × Season	834.17	3	<0.001
Hydroxycinnamic acids	Leaf flush	444.37	2	<0.001
	Season	521.06	2	<0.001
	Leaf flush × Season	78.67	3	<0.001
Condensed tannins	Leaf flush	2078.77	2	<0.001
	Season	52.80	2	<0.001
	Leaf flush × Season	509.83	3	<0.001
Hydrolysable tannins	Leaf flush	2738.49	2	<0.001
	Season	1037.14	2	<0.001
	Leaf flush × Season	1205.87	3	<0.001

Shown are χ ² values, degrees of freedom (df) and P‐values from linear mixed effect models, with significant P‐values (P < 0.05) in bold.