Taking photosynthetic characteristics and yield components into consideration comprehensively, the optimum nitrogen application rate for super high-yield winter wheat'Shangmai 167' is 270kg/hm2.
Taking into account the characteristics of photosynthesis, yield composition factors and other indicators, ultra-high yield winter wheat 'commercial wheat 167' the most suitable nitrogen application of 270kg / hm2.
Considering the photosynthetic characteristics and yield components, the optimum nitrogen application rate of super high yield winter wheat 'shangmai 167' was 270 kg / hm2.