CO2 Science

Plant Dry Weight (Biomass) Responses to Atmospheric CO2 Enrichment
K

	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
Kalankoe blossfeldiana				2	18%	3.5%
Kelp, Bull [Nereocystis luetkeana]							2	100.5%	57.6%
Kelp, Sugar [Saccharina latissima]							2	-32%	14.1%
Kentucky Coffee Tree [Gymnocladus dioicus]	1	15%	0%
Keruing Kerut [Dipterocarpus sublamellatus]	1	79%	0%
Kielmeyera coriacea [Tropical Savanna Tree]	3	88.7%	55.5%
Knobby Club Rush [Ficinia nodosa]	2	274%	2.8%
Knotweed, Curlytop [Polygonum lapathifolium]	5	19.4%	4.2%
Knotweed, Marshpepper [Polygonum hydropiper]	2	40.5%	15.9%
Koeleria macrantha [Prairie Junegrass]	1	2%	0%
Krameria erecta [Littleleaf Ratany]	2	102.5%	1.1%
Kummerowia striata [Japanese Clover]	1	26%	0%