Traditional Culture Encyclopedia - The 24 Solar Terms - 25 uses of big trees
25 uses of big trees
2. Trees can prevent wind and fix sand, keep water and soil, and absorb all kinds of dust. An acre of forest can absorb 20-60 tons of dust a year.
3. Woods can reduce noise pollution. A 40-meter-wide forest belt can reduce noise 10- 15 decibels.
The secretion of trees can kill bacteria. There are 34,000 bacteria per cubic meter of air in the open space, and only 3,400 bacteria in the forest.
A tree is a tall woody tissue plant, which appears as "branches", "stems" and "leaves" and can survive for decades.
Generally speaking, a Screaming Trees tree has an upright trunk, tall plants and high branches from the ground, which can form a crown. There are many kinds of trees, some of which are called "trees", such as pomegranate trees and tea trees.
Trees are the floorboard of woody plants, including trees, shrubs and woody vines. Trees are mainly seed plants. Among ferns, only tree fern is a tree. There are about 8,000 kinds of trees in China. Divided into banyan trees; Poplar; Willow; Cypress, etc.
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