|  | Stem | Leaf | Rice bran | Brown rice |
---|---|---|---|---|---|
TN (%) | Cn | 0.44a* | 0.95a | 0.38a | 0.60a |
 | IF | 0.47bc | 0.99b | 0.48d | 0.71c |
 | BC | 0.45ab | 0.97ab | 0.46c | 0.64b |
 | BS | 0.44a | 0.95a | 0.41b | 0.62ab |
 | BC + BS | 0.49c | 1.18c | 0.49d | 0.76d |
TP (%) | Cn | 0.02a | 0.04a | 0.08a | 0.26a |
 | IF | 0.04c | 0.05b | 0.11c | 0.30c |
 | BC | 0.03b | 0.05a | 0.09b | 0.28b |
 | BS | 0.02a | 0.05a | 0.08a | 0.27ab |
 | BC + BS | 0.05c | 0.05b | 0.10c | 0.36d |
K (%) | Cn | 1.12b | 0.62a | 0.69a | 0.14a |
 | IF | 0.98a | 0.69b | 0.78bc | 0.16b |
 | BC | 0.98a | 0.72b | 0.74ab | 0.17b |
 | BS | 0.96a | 0.63a | 0.75b | 0.13a |
 | BC + BS | 1.06b | 0.72b | 0.83c | 0.16b |