Such as chlorophytum, Eupatorium odoratum, orchids, Eupatorium odoratum, Cymbidium hybridum, Dendrocalamus, etc., can effectively remove formaldehyde. Aloe, chrysanthemum, indigo leaf, etc. , has a strong absorption capacity for formaldehyde, chlorine and benzene compounds remaining indoors after decoration; Daisy and evergreen can eliminate trifluoroethylene; In addition, aloe and Sedum can not only absorb carbon dioxide at night, but also release oxygen to increase the concentration of negative ions in indoor air.
Environmental protection plants used in cities
The whole environmental protection botanical garden consists of eight functional areas: dustproof plant area, bactericidal plant area, anti-pollution plant area, soil and water conservation plant area, drought-resistant sand-fixing plant area, rock climbing plant area, wetland plant area and windbreak plant area. More than 65,438+000 kinds of environmental protection plants, including Pinus tabulaeformis and Pinus sylvestris var. mongolica. Planting Quercus mongolica, Willow, Forsythia suspensa, Seabuckthorn and Vitis amurensis. The environmental protection ecological demonstration park will become a popular science education base, showing the ecological effects of northern environmental protection tree species in protecting the ecological environment and restraining environmental pollution to the public. There are notices about the biological characteristics of each plant in the garden: the aromatic substances emitted by willow trees are natural "fungicides", which can kill germs in the air all day; Elm can inhibit harmful gases and is called a huge "poison remover" to purify the air; Poplar can obviously reduce the wind speed and is easy to plant and live in wind erosion areas; Willow has a strong function of water conservation and soil consolidation, which can effectively prevent soil erosion caused by excessive rain.
1. Why can't I go to the website of Sanqi course of Shandong University of Finance and Economics, and it shows that the