Table 2. Differences in aboveground biomass when grown in monoculture between native and invasive ranges, and differences in change in aboveground biomass between native and invasive ranges when grown in intraspecific competition, interspecific competition and high density plantation according to one-way nested ANOVAs analysis.

Experiment	Variable	df	F-value	P
Monoculture	Aboveground biomass	1	6.555	0.034
Intraspecific competition	Change in Aboveground biomass	1	10.183	0.013
Interspecific competitionv
with native species from Mexico	Change in Aboveground biomass	1	0.413	0.528
with native species from China	Change in Aboveground biomass	1	5.629	0.029
High density plantation	Change in Aboveground biomass	1	35.4	<0.001