Figure 2.

Photosynthetic characteristics in the primary leaves of soybean and French bean grown under HN conditions. A and B, A at 2% O₂. C and D, g_s at 2% O₂. E and F, g_mat 2% O₂. G and H, N_area. Values were obtained at 0, 1, and 2 WAD. Data are means (+ or –sd), n = 4. Significant differences between Ct and Def plants were determined by Student’s t test (**P < 0.01, *P < 0.05, and ns, P > 0.05).