nitrogenous metabolism 氮的代谢作用
carbon and nitrogenous metabolism 碳氮代谢
enzymes related to nitrogenous metabolism 氮代谢相关酶
Tobacco is an important economic crop, and nitrogen is essential mineral element. Studies on carbon and nitrogenous metabolism of tobacco have important action on tobacco production.
烟草是中国一种重要的经济作物，而氮是植物必需的矿质养分，研究烟草碳氮代谢规律，对指导烟草的生产具有重要的作用。
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