日期:2023-04-21 18:22
狀態(tài):待解決
提問:kjcxac
ultivating years by national standards and other methods. The results were as follows:(1)The morphology and biomass ofP. fallaxroots increased slowly during the first two cultivating years, and increased rapidly during the 2-3 cultivating years, however the parameters tended to be flat during the 3-5 cultivating years.(2)The contents of different medicinal ingredients varied significantly within the cultivating years, crude polysaccharides reached to the peak in the first year, total saponins re
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