GB/T 8822.5-1988
ActiveSeed 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
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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