Table 3. ANOVA on population means: the effects of light treatment (sun or shade), herbivory, shoot biomass, root biomass, and interactions with light treatment on nodule number.

	Nodule number
Source	Mean square	F1,8	p
Light Treatment	0.11	2.5	0.1521
Herbivory	0.47	10.7	0.0114
Shoot Biomass	1.20	27.2	0.0008
Root Biomass	0.55	12.4	0.0078
Light Treatment × Herbivory	0.55	12.5	0.0077
Light Treatment × Root Biomass	0.31	7.0	0.0299
Light Treatment × Shoot Biomass	0.21	4.7	0.0621