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2
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Plant Dry Weight (Biomass) Responses to Atmospheric CO
2
Enrichment
N
300 ppm
600 ppm
900 ppm
Plant Name
Number of
Studies
Arithmetic
Mean
Standard
Error
Number of
Studies
Arithmetic
Mean
Standard
Error
Number of
Studies
Arithmetic
Mean
Standard
Error
Narrowleaf Cattail [
Typha augustifolia
]
3
41.3%
8.5%
Nasturtium [
Tropaeolum majus
]
3
42.3%
10.8%
Native Texas Grassland [
Grassland
]
3
68.7%
13.6%
Needlegrass [
Stipa krylovii
]
2
38.5%
1.8%
Needlegrass [
Stipa grandis
]
1
30%
0%
Nemophila menziesii
[Menzies' Baby Blue Eyes]
1
0%
0%
Nepalese Browntop [
Microstegium vimineum
]
3
-53.3%
15.6%
Nephrolepis exaltata
[Boston Swordfern]
2
29%
3.5%
1
7%
0%
Nereocystis luetkeana
[Bull Kelp]
2
100.5%
57.6%
Nettle, Stinging [
Urtica dioica
]
1
26%
0%
Nicotiana plumbaginifolia
[Tex-Mex Tobacco]
4
50%
12%
Nicotiana tabacum
[Cultivated Tobacco]
29
279.2%
104.1%
Night-flowering Catchfly [
Silene noctiflora
]
29
279.2%
104.1%
Nitzschia palea
[Freshwater Diatom]
2
10%
4.9%
Nutsedge, Purple [
Cyperus rotundus
]
1
38%
0%
Nutsedge, Yellow [
Cyperus esculentus
]
1
16%
0%
Nymphaea marliac
[Water Lily]
2
162%
76.4%
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