Percent Dry Weight (Biomass) Increases for
300, 600 and 900 ppm Increases in the Air's CO2 Concentration:


For a more detailed description of this table, click here.

Trifolium repens L. [White Clover]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
49
 
1
 Arithmetic Mean
64.9%
 
73%
 Standard Error
15.7%
 
0%

Individual Experiment Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

Almeida et al. (1999)

growth cabinets, .0027 mM P
0%

 

 

Almeida et al. (1999)

growth cabinets, .075 mM P
2%

 

 

Almeida et al. (1999)

growth cabinets, .67 mM P
19%

 

 

Almeida et al. (1999)

growth cabinets, 2 mM P
25%

 

 

Almeida et al. (2000)

growth rooms, low P, 30-day experiment
0%

 

 

Almeida et al. (2000)

growth rooms, high P, 30-day experiment
30%

 

 

Almeida et al. (2000)

growth rooms, low P, 44-day experiment
0%

 

 

Almeida et al. (2000)

growth rooms, high P, 44-day experiment
32%

 

 

Billings et al. (1984)

cores in phytotron
28%

 

 

Crush (1993)

controlled environment rooms,18/13 C day/night temperature
103%

 

 

Crush (1993)

controlled environment rooms,28/23 C day/night temperature
30%

 

 

Dale and Press (1998)

growth cabinets, infected
102%

 

 

Dale and Press (1998)

growth cabinets, uninfected
11%

 

 

Deckmyn et al. (2001)

greenhouse, 88% UV-B
33%

 

 

Edwards et al. (2001)

Plants allowed to grow naturally for two years in a FACE study of a New Zealand dry sandy pasture; mean of peak summer growth 1998, 1999
770%

 

 

Greer et al. (2000)

controlled environment system, 18C
12%

 

 

Greer et al. (2000)

controlled environment system, 28C
117%

 

 

Gunn et al. (1999)

hydroponics, controlled environment chambers, root
95%

 

 

Gunn et al. (1999)

hydroponics, controlled environment chambers, shoot
119%

 

 

Gunn et al. (1999)

hydroponics, controlled environment chambers, total
113%

 

 

Hartwig et al. (2002)

Boxes placed in FACE plots for 4 yrs
96%

 

 

Heagle (2003)

Well watered and fertilized plants grown from virus-free stolons in 1-liter pots of Metro Mix 220 for 27 days in continuous-stirred tank reactor chambers within a non-filtered-air greenhouse
42%

 

 

Heagle (2003)

Well watered and fertilized plants grown from virus-free stolons in 1-liter pots of Metro Mix 220 for 35 days in continuous-stirred tank reactor chambers within a non-filtered-air greenhouse
46%

 

 

Heagle et al. (1993)

greenhouse, low ozone, NC-S clone
31%

 

 

Heagle et al. (1993)

greenhouse, low ozone, NC-R clone
34%

 

 

Heagle et al. (1993)

greenhouse, high ozone, NC-S clone
52%

 

 

Heagle et al. (1993)

greenhouse, high ozone, NC-R clone
34%

 

 

Johnson and McNicol (2010)

Below-ground biomass of well watered plants grown from seed for eleven weeks inside plant growth chambers in rhizotubes filled with a sandy loam cambisol treated with a rhizobium inoculate without clover root weevil infestation
79%

 

 

Johnson and McNicol (2010)

Below-ground biomass of well watered plants grown from seed for eleven weeks inside plant growth chambers in rhizotubes filled with a sandy loam cambisol treated with a rhizobium inoculate with clover root weevil infestation
99%

 

 

Johnson and McNicol (2010)

Root nodule biomass of well watered plants grown from seed for eleven weeks inside plant growth chambers in rhizotubes filled with a sandy loam cambisol treated with a rhizobium inoculate without clover root weevil infestation
130%

 

 

Johnson and McNicol (2010)

Root nodule biomass of well watered plants grown from seed for eleven weeks inside plant growth chambers in rhizotubes filled with a sandy loam cambisol treated with a rhizobium inoculate with clover root weevil infestation
184%

 

 

Jongen et al. (1996)

glasshouse, non-mycorrhizal
52%

 

 

Jongen et al. (1996)

glasshouse, mycorrhizal
58%

 

 

Luscher et al. (2004)

Mean biomass of plants grown together (in mixture) with perennial ryegrass (Lolium perenne L.) for six years in the field at the Swiss FACE facility
109%

 

 

Luscher et al. (2004)

Mean biomass of plants grown in monoculture for several years in the field at the Swiss FACE facility
31%

 

 

Manderscheid et al. (1997)

open top chamber, low temperature (13C)
46%

 

 

Manderscheid et al. (1997)

open top chamber, high temperature (24C)
62%

 

 

Morison and Gifford (1984)

pots (3.2 kg soil)
41%

 

 

Navas et al. (1999)

glasshouse, grown individually,low nitrogen
25%

 

 

Navas et al. (1999)

glasshouse, grown individually,high nitrogen
-8%

 

 

Navas et al. (1999)

glasshouse, grown in monoculture,low nitrogen
8%

 

 

Navas et al. (1999)

glasshouse, grown in monoculture,high nitrogen
21%

 

 

Navas et al. (1999)

glasshouse, grown in mixture, low nitrogen
8%

 

 

Navas et al. (1999)

glasshouse, grown in mixture, high nitrogen
8%

 

 

Nijs et al. (1989)

pots (13 cm deep)
92%

 

 

Overdieck (1986)

mini-glasshouse
48%

 

 

Overdieck and Bossemeyer (1985)

glasshouse
43%

 

 

Saebo and Mortensen (1995)

Plants grown from seed in 20-cm-deep boxes in field within open-top chambers in cool climate; cv Milkanova
31%

 

 

Scheidegger and Nosberger (1984)

Not Available
 

 

73%

Weigel and Manderscheid (2005)

Mean results of a number of experiments conducted at the Institute of Agroecology of the Federal Agricultural Research Centre, Braunschweig, Germany, over the period 1992-2000, in experimental settings ranging from controlled environment chambers to out-of-doors open-top chambers (OTCs) to free air carbon dioxide enrichment (FACE)
38%

 

 

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