This part stipulates the definition of pollution-free Dendrobium officinale, requirements for the selection of origin, requirements for environmental quality such as air, soil, and irrigation water in the origin, and testing methods such as test sampling. This section applies to the selection and base establishment of pollution-free Dendrobium officinale origin.
DB33/T 635.1-2007 history
2021DB33/T 635-2021 Dendrobium candidum production technical regulations
2015DB33/T 635-2015 Dendrobium candidum production technical regulations
2007DB33/T 635.1-2007 Pollution-free Dendrobium candidum Part 1: The environment of the place of origin