在大田试验条件下，研究密度与氮肥运筹对弱筋小麦品种宁麦9号植株氮代谢变化的影响，分析氮素运转与籽粒品质、产量的关系。
Effects of plant density and nitrogen fertilizer on nitrogen metabolism of weak-gluten wheat varieties Ningmai 9 with good grain quality were studied.
认为选择开花后氮素吸收同化和再运转能力强的品种，既有利于提高籽粒产量，又可提高籽粒蛋白质含量。
Using the cultivar with stronger ability of absorbing, assimilating and translocation nitrogen can not only improve kernel yield, but kernel protein content.
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