300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Pisum sativum L. [Garden Pea]
| 
             300 ppm 
           | 
          
             600 ppm 
           | 
          
             900 ppm 
           | 
        |
| Number of Results | 
             13 
           | 
          
             13 
           | 
          
             13 
           | 
        
| Arithmetic Mean | 
             22.8% 
           | 
          
             23.2% 
           | 
          
             4.3% 
           | 
        
| Standard Error | 
             6.1% 
           | 
          
             12.2 
           | 
          
             4.1% 
           | 
        
| 
             Experimental Conditions 
           | 
          
             300 ppm 
           | 
          
             600 ppm 
           | 
          
             900 ppm 
           | 
        |
| 
             Aranjuelo et al. (2013)  | 
          
             Photosynthesis of fully-expanded apical leaves of plants grown one to each of several 2.5-L pots filled with a 3:2 (v/v) mix of vermiculite-perlite that were drip-irrigated with N-free nutrient solution for N2-fixing plants that were allowed to grow under these conditions for a period of 4 weeks 
           | 
          
             33%  | 
          ||
| 
             Aranjuelo et al. (2013)  | 
          
             Photosynthesis of fully-expanded apical leaves of plants grown one to each of several 2.5-L pots filled with a 3:2 (v/v) mix of vermiculite-perlite that were drip-irrigated with 10 mM KNO3 for nitrate-fed plants that were allowed to grow under these conditions for a period of 4 weeks 
           | 
          
             28%  | 
          ||
| 
             Aranjuelo et al. (2013)  | 
          
             Photosynthesis of the total dry matter of well-watered plants grown for four weeks, one to each 2.5-L plastic pot filled with a 3/2 mixture of vermiculite/perlite, in controlled-environment chambers where they were fertilized with N-free nutrient solution for N2-fixing plants 
           | 
          
             45%  | 
          ||
| 
             Aranjuelo et al. (2013)  | 
          
             Photosynthesis of the total dry matter of well-watered plants grown for four weeks, one to each 2.5-L plastic pot filled with a 3/2 mixture of vermiculite/perlite, in controlled-environment chambers where they were fertilized with 10 mM KNO3- for nitrate-fed plants 
           | 
          
             166%  | 
          ||
| 
             Aranjuelo et al. (2014)  | 
          
             Photosynthesis of well-watered and fertilized (but supplied with no nitrogen) fully-expanded apical leaves of plants growing one to each 2.5-L pot filled with a 3:2 mix of vermiculite-perlite within controlled-environment chambers maintained at 25/18°C day/night temperatures 
           | 
          
             29%  | 
          ||
| 
             Bishop et al. (2018)  | 
          
             Midday photosynthetic CO2 uptake rate averaged across multiple measurement dates during the growing season of plants grown in a FACE environment; cv Frosty 
           | 
          
             49% 
           | 
          ||
| 
             Gavito et al. (2000)  | 
          
             growth chamber 
           | 
          
             45% 
           | 
          ||
| 
             Hamilton III et al. (2008)  | 
          
             Photosynthesis of recently-expanded fully-lit leaves of well watered and fertilized plants grown from seed to the adult vegetative state (6-8 weeks) at 5?C above optimal temperatures in 0.5-L pots filled with a 1:1:1 mixture of top-soil, sand and perlite within controlled environment chambers 
           | 
          
             50% 
           | 
          ||
| 
             Hamilton III et al. (2008)  | 
          
             Photosynthesis of recently-expanded fully-lit leaves of well watered and fertilized plants grown from seed to the adult vegetative state (6-8 weeks) at near-optimal temperatures in 0.5-L pots filled with a 1:1:1 mixture of top-soil, sand and perlite within controlled environment chambers 
           | 
          
             28% 
           | 
          ||
| 
             Kaciene et al. (2017)  | 
          
             Leaf photosynthesis (10 days after treatment began) of well-watered and fertilized plants grown in controlled environment chambers at +1000 ppm CO2 above ambient and a day/night temperature of 21/14°C; cv Pinocchis 
           | 
          
             56% 
           | 
        ||
| 
             Kaciene et al. (2017)  | 
          
             Leaf photosynthesis (10 days after treatment began) of well-watered and fertilized plants grown in controlled environment chambers at +300 ppm CO2 above ambient and a day/night temperature of 25/18°C; cv Pinocchis 
           | 
          
             46% 
           | 
          ||
| 
             Kaciene et al. (2017)  | 
          
             Leaf photosynthesis (10 days after treatment began) of well-watered and fertilized plants grown in controlled environment chambers at +300 ppm CO2 above ambient and a day/night temperature of 21/14°C; cv Pinocchis 
           | 
          
             50% 
           | 
          ||
| 
             Wang et al. (2008)  | 
          
             Photosynthesis of well watered and fertilized plants grown from seed at their optimal daytime temperature for about six weeks in growth chambers within 5-L pots filled with a 1:1:1 mixture of top-soil, sand and perlite 
           | 
          
             28% 
           |