GB/T 8822.5-1988

Active

Seed zones of Chinese forest trees--Seed zones of Pinus sylvestris var.mongolica Litvin.

中国林木种子区 樟子松种子区

Standard Type
GBT
ICS
65.020.40
CCS
B61
Status
Active
Issue Date
1988-02-26
Implementation
1988-08-01
Centralized Committee
国家林草局
Issuing Authority
国家林草局

Application Summary AI generated

This standard defines the geographic seed zones for Pinus sylvestris var. mongolica Litvin (Mongolian Scots pine) in China, specifying the boundaries and conditions for seed collection and transfer. It is applied in forestry and ecological restoration projects to ensure that seeds used for afforestation are sourced from zones with matching climatic and ecological conditions, thereby improving seedling survival and growth. The standard guides forest managers and nurseries in selecting appropriate seed sources for reforestation in northern China.

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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.