“photosynthetic nitrogen-use efficiency”的概念、定义、翻译、参考文献-科学参考

单词	photosynthetic nitrogen-use efficiency
释义	photosynthetic nitrogen-use efficiency Encyclopedia 农学植物分子生物学释 photosynthetic nitrogen-use efficiency光合氮素利用效率植物净光合速率与单位叶面积氮含量的比值，即植物光合能力与叶片氮素含量的比率。是衡量氮素分配及光合效率的有效指标，统称潜在光合氮素利用效率（PNUE），是氮利用效率与固定CO2关系的瞬时测度。
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