[Standard operating procedure for Astragalus membranaceus].

In order to ensure the superior quality and safety of the raw materials of the Chinese herbal medicine, a standard operating procedure for astragalus was established on the base of the GAP of the Chinese herbal medicine as well as practice investigation and experiments. This standard operating procedure provides the technical requirements for astragalus's growing, field management, controlling of the diseases and pests, harvesting, processing, packing, storing, transporting and quality monitoring.