When the nitrogen was applied late, the protein synthesis increased and the synthesis of amylose decreased, while the peak viscosity measured by RVA maintained constantly.

• 后期施氮量提高，蛋白合成增加，直链淀粉合成能力相对减弱，但淀粉中直／支链淀粉比例相对稳定，峰值粘度没有明显变化。