2. Value of raw materials: Wood is used in buildings, furniture, paper, musical instruments and sports equipment. Cloth is usually made of cotton, flax or synthetic fiber, and its raw material is cellulose, such as rayon and acetate fiber. Renewable fuels from plants include firewood, peat and other biomass fuels. Carbon and oil are fossil fuels from plants.
3. Ornamental value: planting thousands of plants, beautifying the environment, providing shade, adjusting temperature, reducing wind speed, reducing noise, providing privacy and preventing soil erosion. People will put cut flowers, dried flowers and indoor potted plants indoors; Outdoor lawns, shade trees, ornamental trees, shrubs, vines, perennial herbs and flower beds will be set up.
4. Cultural value: Plants also provide the basic needs of human spiritual life. The paper used every day is made of plants. Some plants with aromatic substances are made into cosmetics such as perfume and essence by human beings.
Baidu Encyclopedia-"Main Value" of Plants