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不同氮素水平对西洋参皂苷积累的影响

Journal of Northeast Agricultural Sciences(2020)

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Abstract
以两年生西洋参为材料进行田间试验,设置5个施氮量,研究不同氮素水平对西洋参皂苷积累的影响.结果表明:不同氮素水平对西洋参皂苷含量有一定影响,适当增加氮肥施用量可以有效提高西洋参皂苷含量的积累.茎叶9种皂苷总量在施氮量为5 g/m2时有最高值;参根皂苷含量在施氮量为10 g/m2时有最高值;单体皂苷Re的含量变化明显,10g/m2施氮水平下含量比对照组增加17.19% - 21.84%.氮肥用量10 g/m2为适宜施氮量.
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