Plant Richness-Biomass Relationships in Restored Northern Great Plains Grasslands (USA)

Table 4

Field 2: stepwise regression relating peak biomass to the weighted (by biomass) plant parameters associated with the various species composition treatments. See Table 2 for further details.

N treatment (𝑟^2=0.45, 𝑃<.0001)				P and Non fertilized treatment (𝑟^2=0.45, 𝑃<.0001)
Variables	Coefficient	SE	P	Variables	Coefficient	SE	P
RGR	752.61	173.43	.0001	RGR	671.86	75.20	.0001
Imax-N	297.71	127.44	.0205	ρ	194.54	37.10	.0001
β	−1028.09	82.49	.0001	Imax-N	167.03	61.76	.0071
τ	−417.75	110.59	.0002	NUE	−696.99	124.10	.0001
				τ	−555.37	70.25	.0001
				β	−523.47	43.72	.0001
				R : S	−187.21	39.71	.0001