Variables | Â | Nitrogen level | Â |
---|---|---|---|
LN | MN | HN | |
Upper epidermis (μm) | 11.209 ± 0.024 c | 17.694 ± 1.927 a | 14.738 ± 0.269 b |
Lower epidermis (μm) | 10.590 ± 1.027 c | 13.177 ± 2.186 a | 11.420 ± 0.918 b |
Spongy tissue (μm) | 42.551 ± 2.194 c | 70.378 ± 0.182 a | 56.518 ± 0.189 b |
Palisade tissue (μm) | 17.069 ± 1.283 c | 32.867 ± 0.173 a | 24.490 ± 1.825 b |
Palisade/spongy | 0.401 ± 0.002 | 0.467 ± 0.016 | 0.433 ± 0.016 |
Leaf length (cm) | 6.484 ± 1.980 c | 7.515 ± 1.068 a | 6.795 ± 1.238 b |
Max width (cm) | 2.777 ± 0.698 c | 3.114 ± 0.621 ab | 3.273 ± 0.519 a |
Leaf length/max width | 2.341 ± 1.339 | 2.413 ± 0.8445 | 2.076 ± 0.879 |
Leaf dry weight (g plant− 1) | 0.413 ± 0.040 c | 0.545 ± 0.025 a | 0.496 ± 0.064 b |
Total dry weight (g plant− 1) | 1.068 ± 0.294 c | 1.649 ± 0.181 a | 1.524 ± 0.088 b |