Pollution Prevention and Soil Activation of Garden Plants in Urban Environmental Ecosystem

Cities are currently facing more and serious environmental pollution problems. Garden plants alleviating due to their ecological functions such as carbon oxygen balance, transpiration heat absorption, dust retention, bacteria reduction noise reduction, water conservation, soil activation nutrient cycling, maintenance of biodiversity, landscape functions, disaster prevention mitigation, vice versa. Urban pressure plays a vital role. Aiming at the diversity urban garden plants, starting from its function on environment, thesis focuses application colourful leaf ground cover climbing aquatic bamboo other in greening prevention. This article provides theoretical basis practical guidance for selection tree species.