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What are the seed treatment methods for Korean pine before raising seedlings?
Seed treatment methods for Korean pine before raising seedlings: The seed shell of Korean pine is dense and hard, covered with wax, not easily permeable to water and air, and contains germination-inhibiting substances such as tannins, making it difficult for the embryo to germinate. Therefore, before sowing, the seeds must be subjected to germination-promoting treatment. The commonly used stratification methods are as follows: 1. Open-air overwintering burial method: In autumn, first soak the seeds in cold water for 2 to 3 days, remove them, mix with 2 to 3 times their volume of wet sand, stir evenly, and place in an open-air pit. The pit site should be chosen in a high, dry place with good drainage. The pit depth is 1.2 to 1
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How to dwarf black pine seedlings? Bonsai teaching methods for you
Black pine is not as tall as other tall tree species in the field, but if it is to be made into a bonsai tree, it is often not suitable for the tree's shape to be too tall. However, the ornamental value of black pine bonsai is very high, but as a potted plant, we often need a certain amount of dwarfing treatment, that is...
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