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伊克昭盟所产草麻黄的麻黄碱(E)和伪麻黄碱(PE)含量4:6。栽培的E+PE量均高于野生,且随株龄增长而增高。少灌水和中度施肥对提高总含碱量效果最好。
The content of ephedrine (E) and pseudoephedrine (PE) of Ephedra sinica produced by Yikzhao League is 4:6. The amount of E+PE cultivated was higher than that of the wild and increased with the growth of the plant age. Less irrigation and medium fertilization had the best effect on increasing total alkali content.