Clipping stage | Nitrogen level (kg/ha) | GS | CPF (%) | OMF (%) | EP ($/ha) | |
Non-clipping | Control | 56ab | 2.0f | 98.9a | 3674.7ab | |
40 | 60a | 2.6df | 98.8a | 3324.1bc | ||
80 | 49ac | 4.8a | 67.9cd | 3743.0a | ||
120 | 46ac | 2.4ef | 97.8d | 2886.0f | ||
160 | 54ac | 2.0f | 97.8d | 3151.5ce | ||
Tiller stage | Control | 59a | 2.7df | 97.8d | 3251.7bd | |
40 | 40c | 2.4ef | 97.8a | 2908.1f | ||
80 | 42bc | 4.0b | 98.0bd | 3090.4de | ||
120 | 59a | 2.6df | 98.6ac | 3336.5b | ||
160 | 51ac | 3.2cd | 98.9a | 3038.7ef | ||
Booting stage | Control | 41c | 2.2f | 98.6ab | 2553.3g | |
40 | 44bc | 2.3f | 98.0ab | 2606.9g | ||
80 | 47ac | 3.1de | 98.1bd | 3305.2bc | ||
120 | 42bc | 2.4ef | 99.1a | 2651.1g | ||
160 | 47ac | 3.9bc | 99.0a | 2501.1g | ||