Table 5.

Three-way ANOVA for analyses of differences in root biomass, root mass ratio and total biomass of offspring ramets with ‘integration’, ‘nitrogen form’ and ‘water status’ as main factors

Effect	df	Root biomass		Root mass ratio		Total biomass
		F	P	F	P	F	P
Integration	1	2·002	0·163	0·177	0·675	3·187	0·080
Nitrogen	1	3·752	0·058	1·322	0·255	2·255	0·139
Water	1	10·787	0.002	4·955	0.033	6·956	0.011
Integration × nitrogen	1	0·744	0·392	0·207	0·651	0·106	0·746
Integration × water	1	0·229	0·634	0·287	0·594	0·495	0·485
Nitrogen × water	1	0·071	0·791	0·444	0·508	0·600	0·442
Integration × nitrogen × water	1	0·137	0·713	2·789	0·100	2·848	0·097
Error	54

See Fig. 6 for data.

Significant effects (P < 0·05) are shown in bold type.

df, degrees of freedom.