
Alfalfa yield under elevated CO2 and temperature depends on the Sinorhizobium strain and growth season
Keywords: ANA, apparent nitrogenase activity; DM, dry matter; Ci, intercellular CO2; IPCC, Intergovernmental Panel on Climate Change; A, net photosynthesis; LNUE, leaf nitrogen use efficiency; TGG, temperature gradient greenhouseCarbon dioxide; Dry matter productio