Table 2.

Results from linear mixed effect model for growth parameters and N economy.

Factor	Leaf biomass (g)	Shoot biomass (g)	Root biomass (g)	AGB (g)	Total Biomass (g)	Leaf area (cm2)	RGR g (g-1 wk-1)	LAR (m2g-1)	LMR (g g-1)
F	∗∗∗	∗∗∗	∗∗	∗∗∗	∗∗	∗∗∗	∗∗∗	∗∗	ns
G	∗	∗∗∗	ns	∗∗	ns	ns	∗∗∗	∗∗∗	∗
C	ns	∗	ns	ns	ns	ns	ns	ns	ns
F × C	ns	ns	ns	ns	ns	ns	ns	ns	ns
F × G	ns	ns	ns	ns	ns	ns	ns	ns	ns
C × G	∗	ns	ns		ns	∗	ns	ns	ns
F × C × G	ns	ns	ns	ns	ns	ns	ns	ns	ns
Factor	LAP (g m-2 wk-1)	SLA (m2 kg-1)	Root:shoot (g g-1)	SRL (m g-1)	SRA (cm2 g-1)	RMF (g g-1)	LN/LA (mmol N m-2)	LNP (g[mol N]-1 wk-1)	UN (g g-1)	EN,Y (g g-1)
F	∗∗∗	ns	∗∗	ns	ns	∗∗	ns	∗∗	∗∗∗	∗
G	ns	ns	ns	ns	ns	ns	∗∗	∗∗	∗	∗
C	ns	ns	ns	ns	ns	ns	∗	ns	ns	ns
F × C	ns	ns	ns	ns	ns	ns	ns	ns	ns	ns
F × G	ns	ns	∗	ns	ns	ns	ns	ns	∗∗	ns
C × G	∗	ns	ns	ns	ns	ns	∗∗	∗	ns	ns
F × C × G	∗	ns	ns	ns	ns	∗	∗	∗	∗∗	∗

Effects of fertilization (F), genotype (G) and mix-mono culture (C) on leaf, shoot, and root biomass (log_e), aboveground biomass (AGB, log_e), total biomass, leaf area, leaf area ratio (LAR, sqrt), leaf mass ration (LMR), leaf area productivity (LAP, sqrt), relative growth rate (RGR), specific leaf area (SLA), root to shoot ratio (Root:shoot, log_e), specific root length (SRL), specific root area (SRA), root mass fraction (RMF), leaf N concentration (LN/LA), leaf N productivity (LNP), N uptake efficiency (U_N) and yield specific N efficiency (E_N,y) of Salix plants grown in a pot experiment in Sweden.

Symbols show result of a linear mixed effect model with significance levels: ns, not significant; ^∗p < 0.05, ^∗∗p < 0.01, ^∗∗∗p < 0.001.