Table 4. Parameters values for light-response curves (mean ± SEM with SEM calculated from the ANOVA residual mean square with 33 df under CC and 32 df under SCC) as affected by genotype (G) = A and B and nitrogen supply (N) = N1, N2, and N3.

Growth conditions (GC)	Genotype (G)	Nitrogen supply (N)	Amax μmol(CO2) m−2 s−1	Ik μmol(photons) m−2 s−1	ΦI0 μmol(CO2) μmol(photons) −1	Rd μmol(CO2) m−2 s−1	N
CC	A	N1	11.9 ± 2.3	1018 ± 102	0.078 ± 0.005	1.40 ± 0.18	8
		N2	11.4 ± 2.3	1146 ± 102	0.047 ± 0.005	1.58 ± 0.18	8
		N3	16.1 ± 2.5	1487 ± 109	0.062 ± 0.005	1.51 ± 0.19	7
	B	N1	14.2 ± 2.3	1112 ± 102	0.084 ± 0.005	1.25 ± 0.18	8
		N2	18.5 ± 2.5	1556 ± 109	0.069 ± 0.005	1.79 ± 0.19	7
		N3	18.4 ± 2.5	1562 ± 109	0.066 ± 0.005	1.69 ± 0.19	7
SCC	A	N1	24.7 ± 2.5	1791 ± 109	0.090 ± 0.005	2.04 ± 0.19	7
		N2	33.7 ± 2.3	1926 ± 102	0.089 ± 0.005	2.48 ± 0.18	8
		N3	36.1 ± 2.7	1950 ± 118	0.078 ± 0.006	2.98 ± 0.20	6
	B	N1	26.6 ± 2.3	1891 ± 102	0.079 ± 0.005	2.16 ± 0.18	8
		N2	29.7 ± 2.5	1900 ± 109	0.076 ± 0.005	2.44 ± 0.19	7
		N3	30.5 ± 2.3	1749 ± 102	0.080 ± 0.005	2.90 ± 0.18	8

N represents the number of plants under CC and SCC. CC, controlled conditions; SCC, semicontrolled conditions.