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.

Lactuca sativa L. [Garden Lettuce]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
17
4
9
 Arithmetic Mean
26.5%
56.3%
100.4%
 Standard Error
4.4%
8
10.9%

Individual Experiment Results

Journal References
Experimental Conditions
300 ppm
600 ppm
900 ppm

Besford and Hand (1989)
containers
 

29%
 

Esmaili et al. (2020)
Leaf biomass after 40 days of CO2 enrichment (+400 ppm above ambient) of well-watered and fertilized plants grown in controlled environment chambers under a light intensity of 75 PPFD; cv Partavousi
21%

 
 

Esmaili et al. (2020)
Leaf biomass after 40 days of CO2 enrichment (+800 ppm above ambient) of well-watered and fertilized plants grown in controlled environment chambers under a light intensity of 75 PPFD; cv Partavousi
 

 
83%

Esmaili et al. (2020)
Leaf biomass after 40 days of CO2 enrichment (+1200 ppm above ambient) of well-watered and fertilized plants grown in controlled environment chambers under a light intensity of 75 PPFD; cv Partavousi
 

 
73%

Esmaili et al. (2020)
Leaf biomass after 40 days of CO2 enrichment (+400 ppm above ambient) of well-watered and fertilized plants grown in controlled environment chambers under a light intensity of 150 PPFD; cv Partavousi
26%

 
 

Esmaili et al. (2020)
Leaf biomass after 40 days of CO2 enrichment (+800 ppm above ambient) of well-watered and fertilized plants grown in controlled environment chambers under a light intensity of 150 PPFD; cv Partavousi
 

 
145%

Esmaili et al. (2020)
Leaf biomass after 40 days of CO2 enrichment (+1200 ppm above ambient) of well-watered and fertilized plants grown in controlled environment chambers under a light intensity of 150 PPFD; cv Partavousi
 

 
78%

Esmaili et al. (2020)
Leaf biomass after 40 days of CO2 enrichment (+400 ppm above ambient) of well-watered and fertilized plants grown in controlled environment chambers under a light intensity of 300 PPFD; cv Partavousi
24%

 
 

Esmaili et al. (2020)
Leaf biomass after 40 days of CO2 enrichment (+800 ppm above ambient) of well-watered and fertilized plants grown in controlled environment chambers under a light intensity of 300 PPFD; cv Partavousi
 

 
166%

Esmaili et al. (2020)
Leaf biomass after 40 days of CO2 enrichment (+1200 ppm above ambient) of well-watered and fertilized plants grown in controlled environment chambers under a light intensity of 300 PPFD; cv Partavousi
 

 
84%

Esmaili et al. (2020)
Leaf biomass after 40 days of CO2 enrichment (+400 ppm above ambient) of well-watered and fertilized plants grown in controlled environment chambers under a light intensity of 600 PPFD; cv Partavousi
19%

 
 

Esmaili et al. (2020)
Leaf biomass after 40 days of CO2 enrichment (+800 ppm above ambient) of well-watered and fertilized plants grown in controlled environment chambers under a light intensity of 600 PPFD; cv Partavousi
 

 
95%

Esmaili et al. (2020)
Leaf biomass after 40 days of CO2 enrichment (+1200 ppm above ambient) of well-watered and fertilized plants grown in controlled environment chambers under a light intensity of 600 PPFD; cv Partavousi
 

 
65%

Garmendia et al. (2020)
Fresh weight after seven weeks of exposure to elevated CO2 under well-watered conditions (field capacity) of plants grown in a controlled-environment greenhouse; cv Batavia Rubia Munguia
7%

 
 

Garmendia et al. (2020)
Fresh weight after seven weeks of exposure to elevated CO2 under water-deficit conditions (two-thirds of field capacity) of plants grown in a controlled-environment greenhouse; cv Batavia Rubia Munguia
24%

 
 

Garmendia et al. (2020)
Fresh weight after seven weeks of exposure to elevated CO2 under well-watered conditions (field capacity) of plants grown in a controlled-environment greenhouse; cv Marvilla de Verano
8%

 
 

Garmendia et al. (2020)
Fresh weight after seven weeks of exposure to elevated CO2 under water-deficit conditions (two-thirds of field capacity) of plants grown in a controlled-environment greenhouse; cv Marvilla de Verano
42%

 
 

Kitaya et al. (1998)
growth chambers, 16-hour photoperiod
27%

 
 

Kitaya et al. (1998)
growth chambers, 24-hour photoperiod
10%

 
 

Knecht and O Leary (1983)
pots (1 liter), growth chambers
 

 
115%

Knight and Mitchell (1988)
hydroponics
 

69%
 

Mortensen (1984)
growth chambers
 

61%
 

Mortensen (1985)
pots (11-cm)
 

66%
 

Perez-Lopez et al. (2013)
Well-watered and fertilized lettuce plants of the Blonde of Paris Batavia (PB) variety - grown for 39 days after sowing in a light environment of 400 PAR
55%

 
 

Perez-Lopez et al. (2013)
Well-watered and fertilized lettuce plants of the oak leaf (OL) variety - grown for 39 days after sowing in a light environment of 400 PAR
77%

 
 

Perez-Lopez et al. (2013)
Well-watered and fertilized lettuce plants of the Blonde of Paris Batavia (PB) variety - grown for 39 days after sowing in a light environment of 700 PAR
25%

 
 

Perez-Lopez et al. (2013)
Well-watered and fertilized lettuce plants of the oak leaf (OL) variety - grown for 39 days after sowing in a light environment of 700 PAR
0%

 
 

Sgherri et al. (2017)
Yield at harvest (39 days after sowing) of well-watered and fertilized plants grown in controlled environment chambers; cv Blonde of Paris Batavia
29%

 
 

Sgherri et al. (2017)
Yield at harvest (39 days after sowing) of well-watered and fertilized plants grown in controlled environment chambers; cv Oak Leaf
38%

 
 

Singh et al. (2020)
Plant dry weight at harvest (46 days after sowing) of hydroponically-grown plants in a controlled-environment greenhouse; cv Auvona
19%

 
 

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