Priority effects of forbs arriving early: the role of root interaction and asymmetric competition

Ecological Processes

Table 3 ANOVA analysis of the cost of species sown late

Source of variation		df	Leymus chinensis		Medicago ruthenica		Allium ramosum
Source of variation		df	F	P	F	P	F	P
SO	AM	2	111.15	< 0.001	3.16	0.093	2.72	0.117
	BM	2	24.48	< 0.001	451.37	0.000	1.38	0.255
	TM	2	99.30	< 0.001	162.46	0.000	2.13	0.162
IM	AM	2	4.53	0.025	99.10	0.000	42.26	< 0.001
	BM	2	28.39	< 0.001	11.28	0.001	7.17	0.005
	TM	2	12.39	< 0.001	97.48	0.000	17.36	< 0.001
SO × IM	AM	4	8.57	0.002	44.63	0.000	8.29	0.003
	BM	4	134.18	< 0.001	11.63	0.001	4.57	0.025
	TM	4	38.91	< 0.001	73.55	0.000	4.22	0.031

SO sowing order of species in community assembly, IM underground isolation method, AM the cost index of species sown late was calculated by aboveground biomass of it, BM the cost index of species sown late was calculated by belowground biomass of it, TM the cost index of species sown late was calculated by total biomass of it. df degrees of freedom, F variance ratio, P error probability