SOURCE	SPECIES	VEGTYPE	EXPTYPE	FIELD_POT	FERTILIZER	N_CONC_CON	N_OBS_CON	N_STD_CON	N_CONC_TRT	N_OBS_TRT	N_STD_TRT	LIG_CONC_CON	LIG_OBS_CON	LIG_STD_CON	LIG_CONC_TRT	LIG_OBS_TRT	LIG_STD_TRT
Arnone & Hirshel 1997	Carex curvula	herb	OTC	field	yes	15	4	2	12.8	4	2	91	4	10	89	4	10
Arnone & Hirshel 1997	Carex curvula	herb	OTC	field	no	12.8	12	1.732	11.8	12	1.732	80	12	8.66	78	12	8.66
Ball & Drake 1997	Spartina patens	herb	OTC	field	no	5.1	3	0.255	5.3	3	0.265	142	3	-999.99	144	3	-999.99
Ball & Drake 1998	Scirpus olneyi	herb	OTC	field	no	4.4	3	0.22	4	3	0.2	205	3	-999.99	205	3	-999.99
Cotrufo & Ineson 1996	Betula pendula	woody	SD	pot	no	11.8	6	1.8	8.8	6	1.7	177	6	43.2	287	6	48
Cotrufo & Ineson 1996	Betula pendula	woody	SD	pot	yes	16.3	6	1.6	16	6	1.5	133	6	25.8	170	6	21
Cotrufo et al. 1999	Quercus pubescens	woody	no-cham	field	no	13.8	3	0.7	14.2	3	0.7	194.3	3	4.9	267.7	3	14.7
De Angelis et al. 2000	Quercus ilex	woody	OTC	field	no	8.6	3	0.4	7.5	3	0.7	174.9	3	11.2	207.4	3	7
De Angelis et al. 2000	Phillyrea angustifolia	woody	OTC	field	no	10.7	3	0.6	9.3	3	0.7	161.1	3	9.4	178.2	3	5.2
De Angelis et al. 2000	Pistacia lentiscus	woody	OTC	field	no	11.1	3	0.2	9.6	3	0.6	159.2	3	8.5	185.9	3	10.5
De Angelis et al. 2000	Quercus ilex	woody	OTC	field	no	8.6	3	0.4	7.6	3	0.7	174.9	3	11.2	207.4	3	7
De Angelis et al. 2000	Phillyrea angustifolia	woody	OTC	field	no	10.2	3	0.6	9.5	3	0.7	161.1	3	9.4	178.2	3	5.2
De Angelis et al. 2000	Pistacia lentiscus	woody	OTC	field	no	11.1	3	0.2	9.9	3	0.6	159.2	3	8.5	185.9	3	10.5
Dukes & Field 2000	C3 grassland mixture	herb	OTC	pot	no	3.4	6	0.245	3.8	6	0.49	70	6	19.596	58	6	14.697
Dukes & Field 2000	C3 grassland mixture	herb	OTC	pot	no	4.2	6	0.49	4.2	6	0.245	59	5	17.889	60	5	13.416
Finzi et al. 2000	Cercis canadensis	woody	no-cham	field	no	10.14	3	0.87	10.02	3	2.08	177	2	16.97	169.5	2	7.78
Finzi et al. 2000	Cornus florida	woody	no-cham	field	no	9	3	0.35	6.7	3	0.69	-999.9	0	-999.99	-999.99	0	-999.99
Finzi et al. 2000	Acer rubrum	woody	no-cham	field	no	7.264	3	0.52	6.573	3	0.52	138.3	3	23.03	129.7	3	12.9
Finzi et al. 2000	Liquidambar styraciflua	woody	no-cham	field	no	6.708	3	0.52	6.323	3	0.69	136.7	3	17.93	146.7	3	3.76
Finzi et al. 2000	Pinus taeda	woody	no-cham	field	no	4.7	3	0.17	4.9	3	0.17	209	3	4.58	212.7	3	8.02
Finzi et al. 2000	Cercis canadensis	woody	no-cham	field	no	11.4	3	0.17	11.4	3	2.6	177	2	16.97	169.5	2	7.78
Finzi et al. 2000	Cornus florida	woody	no-cham	field	no	7.1	3	2.42	7.1	3	0.69	-999.9	0	-999.99	-999.99	0	-999.99
Finzi et al. 2000	Acer rubrum	woody	no-cham	field	no	7	3	0.87	7	3	1.04	138.3	3	23.03	129.7	3	12.9
Finzi et al. 2000	Liquidambar styraciflua	woody	no-cham	field	no	6.4	3	0.87	6.4	3	0.52	136.7	3	17.93	146.7	3	3.76
Finzi et al. 2000	Pinus taeda	woody	no-cham	field	no	4.9	3	0.52	5	3	0.17	209	3	4.58	212.7	3	8.02
Gahrooee 1998	Quercus cerris	woody	no-cham	field	no	7.3	2	0.1	7.2	2	0.2	253	2	19.6	272	2	15.5
Gahrooee 1998	Quercus pubescens	woody	no-cham	field	no	8	2	0.1	8.1	2	0.2	207	2	17.2	193	2	27.4
Hättenschwiler et al. 1999	Fagus sylvatica	woody	OTC	field	no	12.5	4	1.4	10.6	4	1	116	4	13	121	4	16
Hirshel et al. 1997	Carex curvula	herb	OTC	field	no	12.9	12	1.386	11.6	12	0.4	80.6	12	10.046	77	12	6.582
Hirshel et al. 1997	graminoid mixture	herb	no-cham	field	no	10.9	8	1.131	10.6	8	2.546	75.8	8	11.314	76.9	8	5.374
Hirshel et al. 1997	Carex flacca	herb	no-cham	field	no	9.2	8	1.414	9.5	8	1.414	105	8	11.314	104	8	11.314
Ineson et al. 1999	Rubus chamaemorus	woody	SD	pot	no	16.2	1	-999.99	13.8	1	-999.99	-999.99	0	-999.99	-999.99	0	-999.99
Kemp et al. 1994	Andropogon gerardii	herb	OTC	field	no	3.9	5	0.29	4.2	5	0.27	148	5	11.2	151	5	11.2
Kemp et al. 1994	Andropogon gerardii	herb	OTC	field	yes	3.9	5	0.22	4.2	5	0.13	148	5	6.7	151	5	8.9
Kemp et al. 1994	Sorghastrum nutans	herb	OTC	field	no	3.9	5	0.49	4	5	0.25	127	5	6.7	125	5	2.2
Kemp et al. 1994	Sorghastrum nutans	herb	OTC	field	yes	3.4	5	0.34	2.4	5	0.13	124	5	8.9	129	5	2.2
Kemp et al. 1994	Poa pratensis	herb	OTC	field	no	12.1	5	0.67	10.4	5	0.2	116	5	8.9	109	5	8.9
Kemp et al. 1994	Poa pratensis	herb	OTC	field	yes	12.3	5	0.45	9.4	5	0.25	118	5	4.5	114	5	6.7
Rey & Jarvis 1998	Betula pendula	woody	OTC	field	no	6.4	1	-999.99	7.4	1	-999.99	23	1	-999.99	26.5	1	-999.99
Norby et al. 2000	Acer rubrum	woody	OTC	field	no	7.6	3	0.66	5.9	3	1	-999.99	0	-999.99	-999.99	0	-999.99
Norby et al. 2000	Acer rubrum	woody	OTC	field	no	8.3	3	0.22	7.1	3	1.46	-999.99	0	-999.99	-999.99	0	-999.99
Norby et al. 2000	Acer saccharum	woody	OTC	field	no	6.7	3	0.97	5.5	3	0.52	-999.99	0	-999.99	-999.99	0	-999.99
Norby et al. 2000	Acer saccharum	woody	OTC	field	no	6.7	3	0.79	5.4	3	0.03	-999.99	0	-999.99	-999.99	0	-999.99
Norby et al. 2000	Acer rubrum	woody	OTC	field	no	7.1	3	0.3	6.2	3	0.45	-999.99	0	-999.99	-999.99	0	-999.99
Norby et al. 2000	Acer rubrum	woody	OTC	field	no	9.6	3	0.8	9.7	3	1.81	-999.99	0	-999.99	-999.99	0	-999.99
Norby et al. 2000	Acer saccharum	woody	OTC	field	no	7.2	3	0.33	7.4	3	0.7	-999.99	0	-999.99	-999.99	0	-999.99
Norby et al. 2000	Acer saccharum	woody	OTC	field	no	10.5	3	2.2	9.7	3	0.77	-999.99	0	-999.99	-999.99	0	-999.99
Norby 1996	Quercus alba	woody	OTC	field	no	10	2	1.2	9.2	2	3.2	136	2	10	140	2	2
Norby 1996	Quercus alba	woody	OTC	field	no	10.3	2	0.5	9.8	2	0.3	150	2	3	152	2	2
Norby 1996	Quercus alba	woody	OTC	field	no	10.3	1	-999.99	10.1	1	-999.99	152	1	-999.99	161	1	-999.99
Norby 1996	Quercus alba	woody	OTC	field	no	11	5	1.3	10	5	2	162	5	11	155	5	17
Norby et al. 1995	Liriodendron tulipifera	woody	OTC	field	no	10.8	1	-999.99	9.6	1	-999.99	176	1	-999.99	160	1	-999.99
Norby et al. 1995	Liriodendron tulipifera	woody	OTC	field	no	11.1	4	5	10.8	4	1.8	180	1	-999.99	182	1	-999.99
Strand et al. 1999	Quercus rubra	woody	OTC	field	no	15.5	4	1.26	14.9	4	0.38	-999.99	0	-999.99	-999.99	0	-999.99
Strand et al. 1999	Betula papyrifera	woody	OTC	field	no	12.7	4	0.64	17	4	0.61	-999.99	0	-999.99	-999.99	0	-999.99
Strand et al. 1999	Betula papyrifera	woody	OTC	field	no	12.5	4	1.04	10.9	4	0.44	-999.99	0	-999.99	-999.99	0	-999.99
Hungate et al. 1997	serpentine mixture	herb	OTC	field	no	9.7	10	0.949	9.7	10	1.581	-999.99	0	-999.99	-999.99	0	-999.99
Hungate et al. 1997	sandstone mixture	herb	OTC	field	no	7.4	10	0.632	7.4	10	1.265	-999.99	0	-999.99	-999.99	0	-999.99
El Kohen et al. 1992	Castanea sativa	woody	OTC	pot	no	8.8	1	-999.99	9.8	1	-999.99	-999.99	0	-999.99	-999.99	0	-999.99
El Kohen et al. 1992	Castanea sativa	woody	OTC	pot	yes	6.3	20	1.1	6.3	20	0.9	-999.99	0	-999.99	-999.99	0	-999.99
Curtis et al. 1989	Scirpus olneyi	herb	OTC	field	no	5.7	5	0.7	5.5	5	0.8	-999.99	0	-999.99	-999.99	0	-999.99
Curtis et al. 1989	Scirpus olneyi	herb	OTC	field	no	10	5	2.5	9.1	5	1.4	-999.99	0	-999.99	-999.99	0	-999.99
Randlett et al. 1996	Populus x euramericana	woody	OTC	field	no	19.4	5	4	14.4	5	2.6	-999.99	0	-999.99	-999.99	0	-999.99
Johnson et al. 2001	Liquidambar styraciflua	woody	no-cham	field	no	9.4	3	0.68	9.2	2	0.84	-999.99	0	-999.99	-999.99	0	-999.99
Johnson et al. 2001	Liquidambar styraciflua	woody	no-cham	field	no	8.3	3	0.13	7.4	2	0.29	-999.99	0	-999.99	-999.99	0	-999.99
Vogel et al. 1997	Alnus glutinosa	woody	OTC	field	yes	20.8	5	1.14	18.9	5	0.94	-999.99	0	-999.99	-999.99	0	-999.99
Sowerby et al. 2000	Holcus lanatus	herb	no-cham	field	no	17.9	6	1.25	16	6	0.85	-999.99	0	-999.99	-999.99	0	-999.99
Sowerby et al. 2000	Pennisetum clandestirum	herb	no-cham	field	no	31	6	1.04	23.1	6	0.5	-999.99	0	-999.99	-999.99	0	-999.99
Cotrufo et al. 1994	Fraxinus excelsior	woody	SD	pot	no	11.4	2	2.3	8.4	2	1.2	61	2	0.7	74	2	12.7
Cotrufo et al. 1994	Betula pubescens	woody	SD	pot	no	14	2	1.4	9.4	2	0.8	135	2	35.4	160	2	-999.99
Cotrufo et al. 1994	Acer pseudoplatanus	woody	SD	pot	no	5.7	2	0.2	4.6	2	0.4	91	2	11.3	98	2	3.5
Johnson et al. 2000	Pinus ponderosa	woody	OTC	field	no	4.43	9	0.83	3.28	9	0.45	-999.99	0	-999.99	-999.99	0	-999.99
Johnson et al. 2000	Pinus ponderosa	woody	OTC	field	yes	2.88	9	0.27	3.33	9	0.03	-999.99	0	-999.99	-999.99	0	-999.99
Johnson et al. 2000	Pinus ponderosa	woody	OTC	field	yes	3.47	9	0.48	3.65	9	0.24	-999.99	0	-999.99	-999.99	0	-999.99