The dry matter partitioning indices of green leaf, stem and pod varied with the physiological development, and were influenced by the genotype, sowing date, nitrogen level and water status.

各器官干物质分配指数随着生理发育时间而变化，基因型、播期、氮素及水分水平影响各器官干物质在地上部分配的大小。

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Light intensity and nitrogen level affected sugar content through which the content of the pigment was affected.

光照强弱和供氮水平对花青素含量的影响，是通过对糖浓度的影响而起作用。

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Different nitrogen level affected the carbohydrate metabolism in various organs of cotton plant evidently.

不同氮肥水平对棉花各个器官中碳水化合物代谢有重要的影响。

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But the traffic increase has slowed progress in reducing emissions further, and people in many areas still suffer from nitrogen-related air pollution, including small particulates that get sucked deep into the lungs, and ground-level ozone - a strongly irritant gas formed by the action of sunlight on reactive nitrogen.

BBC: Nitrogen pollution 'costs EU up to ?280bn a year'