@article{article, title = {{Drought constraints on C4 photosynthesis:: stomatal and metabolic limitations in C3 and C4 grasses.}}, year = {{2007}}, month = {{2}}, author = {{Ripley B and Gilbert M and Frole K and Osborne C}}, volume = {{91}}, journal = {{PHOTOSYNTHESIS RESEARCH}}, issue = {{2-3}}, pages = {{226-226}}, note = {{Accessed on 2026/08/22}}}