The research was conducted to determine the relationships between post-heading leaf SPAD values, canopy spectral reflectance, and protein and starch accumulation dynamics in grains of wheat.

• 摘要研究了不同土壤水氮条件下小麦抽穗后叶片氮素状况和籽粒蛋白质及淀粉积累动态与叶片SPAD值、冠层光谱反射特征的关系。