Effects of elevated [CO] and/or ozone on limitations to COassimilation in soybean ().

Investigates the major limitations to carbon dioxide assimilation of soybean under conditions of elevated atmospheric carbon dioxide and tropospheric ozone. Assimilation, rubisco carboxylation and chlorophyll content of soybean over one growing season; Limitations of soybean to the potential assimilation rate; Effects of carbon dioxide, tropospheric ozone and ontogeny on the limits of photosynthesis.