Photosynthesis (Net CO2 Exchange Rate) References
Digitaria sanguinalis (L.) Scop. [Hairy Crabgrass]
Sionit, N. and Patterson, D.T. 1984. Responses of C4 grasses to atmospheric CO2 enrichment. I. Effect of irradiance. Oecologia 65: 30-34.
Sionit, N. and Patterson, D.T. 1985. Responses of C4 grasses to atmospheric CO2 enrichment. II. Effect of water stress. Crop Science 25: 533-537.