GB/T 8822.4-1988
ActiveSeed zones of Chinese forest trees--Seed zones of Pinus armandii Franch.
中国林木种子区 华山松种子区
Application Summary AI generated
This standard defines the geographical seed zones for Pinus armandii Franch. (Chinese white pine) in China, specifying the boundaries and conditions for seed collection and transfer. It is applied in forestry management and reforestation projects to ensure that seeds are sourced from and used within appropriate ecological zones, thereby improving seedling survival and growth. The standard guides foresters and nurseries in selecting locally adapted seed sources for afforestation and 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.