Wheat LAI and leaf nitrogen content are important physiological indices for determining the growth condition and necessary basis for establishing cultivation and management measure.
叶面积指数和叶片氮素含量是决定小麦群体长势的重要生理指标，也是制定栽培管理措施的必要依据。
With the depth of canopy increases, leaf nitrogen content reduces gradually, thus vertical nitrogen gradient develops.
作物冠层中叶片氮素含量沿冠层从上向下逐渐减少，形成了氮素的垂直分布梯度。
Leaf nitrogen content induces remarkable effect on chlorophyll and soluble protein content.
叶片氮含量对叶绿素与可溶性蛋白含量会产生明显的影响。
Leaf nitrogen content induces remarkable effect on chlorophyll and soluble protein content.
叶片氮含量对叶绿素与可溶性蛋白含量会产生明显的影响。
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