Elevated CO2 increases water use efficiency by sustaining photosynthesis of water-limited maize and sorghum
Keywords: DAS, days after sowing; DOY, day of year; NADP-ME, nicotinamide adenine dinucleotide phosphate-malic enzyme; PEP, phospho-enol pyruvate; PPFD, photosynthetic photon flux density; PS, canopy photosynthesis; RuBP, ribulose 1,5-bisphosphate; TR, evapotranspi