Based on an orthogonal design, the experiments have shown that proportion and time of leaf picking are the major factors to influence the thickness and output of Radix Astragali seu Hedysari.
运用正交设计，明确了采叶强度和采叶时间对黄芪根粗和产量均有显著影响。
Based on an orthogonal design, the experiments have shown that proportion and time of leaf picking are the major factors to influence the thickness and output of Radix Astragali seu Hedysari.
运用正交设计，明确了采叶强度和采叶时间对黄芪根粗和产量均有显著影响。
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