GB/T 32771-2016
ActiveTree seedling quality grading of Betula platyphylla Suk.
白桦造林苗木质量分级
Application Summary AI generated
This standard specifies quality grades for Betula platyphylla Suk. (white birch) tree seedlings based on indicators such as height, root collar diameter, and root system development. It is applied in forestry nurseries and afforestation projects across China to ensure that only seedlings meeting specific grade thresholds are used for planting. The standard facilitates consistent procurement and quality control for large-scale ecological restoration and commercial timber production.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.