Functioning of plantago major and urtica dioica exposed to elevated CO2 : analysis of growth pattern in relation to C and N allocation

The often predicted increase in the mean global temperature ,the so-called 'greenhouse effect, is the most conspicuous consequence of this rise in CO2 concentration. Although the eight o'clock news sometimes refers to CO2 as an air-pollutin gas, its presence is a prerequisite for plant growth and agricultural production. Zie: Summary