秋水仙碱一种有毒的、淡黄色生物碱，c22h25no6，从秋天的番红花中提取，用于植物生长中的染色体加倍和用于治疗痛风。
A poisonous, pale-yellow alkaloid, C22H25NO6, obtained from the autumn crocus and used in plant breeding to induce chromosome doubling and in medicine to treat gout.
生命周：所有生物产量加倍。
而在当前气候条件下，CO_2浓度加倍则可使全样带平均生物量和生产量分别上升12.2％和17.1％。
Under the present climatic conditions, CO2 doubling could increase the average biomass and NPP by 12.2% and 17.1% respectively.
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