Table 3. Mean net CO2 assimilation rate (Pn), stomatal conductance (gs), transpiration rate (E), seed cotton yield (SCY), biological yield (BY), and harvest index (HI) of 32 cotton cultivars/genotypes grown under well-watered (W1) and water-limited (W2) regimes
during 2004W1: One sowing irrigation and five subsequent
irrigations as required for normal crop growth and
development; total water applied including rainfall
was 823 and 783mm in 2003 and 2004, respectively.
W2: One sowing irrigation and one supplement
irrigation 40 days after sowing (DAS); total water