Table 3.

Analysis of variance from model M-1 to explain annual total biomass, annual biomass for each species, and indices of evenness and synchrony

		Year 1			Year 2			Year 3			Year 4			Year 5
	Effect	D.f	F value	P value	D.f	F value	P value	D.f	F value	P value	D.f	F value	P value	D.f	F value	P value
Total annual biomass
	Mixture	4	7.01	0.01	4	14.11	<0.01	4	1.28	0.36	4	1.08	0.43	4	4.16	0.04
	Block	2	0.95	0.43	2	19.02	<0.001	2	6.15	0.02	2	6.52	0.02	2	3.64	0.08
D. glomerata biomass
	Mixture	4	5.53	0.06	4	0.08	0.98	4	2.05	0.25	4	1.71	0.24	4	3.14	0.08
	Block	1	0.35	0.59	1	1.34	0.31	1	1.04	0.37	2	8.05	0.01	2	13.25	<0.01
F. arundinacea biomass
	Mixture	4	6.80	<0.05	4	47.46	<0.01	4	1.95	0.27	4	5.58	0.02	4	23.87	<0.01
	Block	1	2.79	0.17	1	0.30	0.61	1	0.50	0.52	2	0.60	0.57	2	0.17	0.85
L. perenne biomass
	Mixture	4	10.81	0.02	4	4.44	0.09	4	6.93	0.04	4	1.59	0.27	4	2.74	0.10
	Block	1	4.48	0.10	1	6.09	0.07	1	0.69	0.45	2	1.33	0.32	2	0.62	0.56
T. repens biomass
	Mixture	4	81.77	<0.01	4	4.26	0.09	4	0.69	0.63	4	0.67	0.63	4	2.02	0.18
	Block	1	21.88	0.01	1	1.80	0.25	1	3.49	0.14	2	4.68	0.05	2	16.26	<0.01
T. pratense biomass
	Mixture	4	8.12	0.03	4	2.25	0.23	4	1.08	0.47	4	0.90	0.51	4	0.35	0.84
	Block	1	0.78	0.43	1	0.94	0.39	1	1.74	0.26	2	1.37	0.31	2	0.49	0.63
L. corniculatus biomass
	Mixture	4	4.69	0.08	4	3.23	0.14	4	1.07	0.48	4	4.99	0.03	4	0.98	0.47
	Block	1	1.92	0.24	1	3.62	0.13	1	0.72	0.44	2	2.54	0.14	2	0.16	0.86
M. sativa biomass
	Mixture	4	14.90	0.01	4	1.06	0.48	4	1.33	0.40	4	5.31	0.02	4	2.27	0.15
	Block	1	7.98	0.05	1	3.70	0.13	1	1.97	0.23	2	1.36	0.31	2	1.49	0.28
Evenness index
	Mixture	4	4.61	0.08	4	0.74	0.61	4	3.81	0.11	4	2.43	0.13	4	22.97	<0.001
	Block	1	0.01	0.93	1	2.45	0.19	1	1.83	0.25	2	6.11	0.03	2	5.92	0.03
Synchrony index
	Mixture	4	1.43	0.36	4	0.66	0.65	4	2.35	0.21	4	4.08	0.04	4	1.59	0.27
	Block	1	0.42	0.55	1	0.77	0.43	1	0.01	0.92	2	3.42	0.08	2	0.38	0.70