Deciduous birch, the trunk can reach 25 meters high and 50 centimeters thick. There are white smooth paper bark, which can be peeled off layer by layer, and you can write on the thin bark with a pencil. The leaves of Betula platyphylla are simple and alternate, with serrated edges. The flowers are monoecious, and the male inflorescence is soft and drooping. In spring, the leaves on the trees bloom before they grow.
Birch likes sunshine and has strong vitality. After the forest is destroyed by fire, it is often the longest, often forming a large birch forest, which is one of the main tree species that form natural forests.
Extended data
Birch growth environment: Birch likes light, but is not tolerant of shade. It likes humidity, has no strict requirements on soil, and grows well in relatively fertile brown forest soil. Strong germination, can germinate and self-renew after cutting. Fast-growing, where the site conditions are moderate, the annual growth can reach 1 m, 15 or so. Afforestation can adopt direct seeding or seedling planting.
Direct seeding afforestation is to harvest and sow seeds in autumn when the seeds are mature in places with few weeds and wet soil. Seeds should be soaked in warm water before seedling raising, and the seedlings can be planted out of the nursery when they are 40 ~ 50 cm high. Afforestation sites should be selected in burned areas, small cutting areas, forest edge slopes or glades.
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