300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Pasture [Lolium perenne L. (Perennial Ryegrass), Trifolium repens L. (White Clover), Poa pratensis L. (Kentucky Bluegrass), Cynosurus cristatus L. (Crested Dogstailgrass), Agrostis capillaris L. (Colonial Bentgrass), Anthoxanthum odoratum L. (Sweet Vernalgrass), Paspalum dilatatum Poir. (Dallas Grass), Plantago lanceolata L. (Narrowleaf Plantain)]
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300 ppm
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600 ppm
|
900 ppm
|
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| Number of Results |
1
|
|
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| Arithmetic Mean |
29%
|
|
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| Standard Error |
0%
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|
|
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Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
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|
|
Newton et al. (1996) |
growth rooms
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29%
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|