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What are the care methods for cosmos after germination?
How to care for cosmos after germination? Cosmos care methods
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Detailed Explanation of Variable-Temperature Germination Treatment Methods for Korean Pine Seeds
The Korean pine (Pinus koraiensis) is an excellent timber and food forest tree species in Northeast China. Korean pine seeds have a thick, hard seed coat with a waxy layer that is not easily permeable to water and air. The seed coat contains tannins, and other parts contain inhibitors such as abscisic acid. These factors affect the rapid germination of Korean pine seeds, keeping them in a long-term dormant state. To break the long-term dormancy of Korean pine seeds, under natural conditions, after the seeds mature, they must undergo burial through winter--summer--winter, and can only be sown when taken out in the spring of the third year. In recent years, due to the shortage of Korean pine seeds and high market prices, seed
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Detailed Explanation of Seed Collection, Germination Promotion and Seedling Cultivation Techniques for Picea koraiensis
Picea koraiensis Nakai, also known as red-barked spruce and white pine, is an important timber forest tree species and landscaping tree species in China. It is mainly distributed in the Xiaoxing'anling, Zhangguangcailing and Changbai Mountain regions, with a small amount also distributed along the river valleys in the eastern and northern parts of the Greater Khingan Mountains. 1 Biological characteristics and economic value. Picea koraiensis is an evergreen large tree with dense branches and leaves, strong shade tolerance and cold resistance, and slight tolerance to saline-alkali conditions and drought. It is a shallow-rooted tree species, easily blown over by wind, and has relatively high soil requirements.
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