| Central China, Changsha, Zhuzhou and Nanchang are center cities, has become the severest acid rain region since the last decade of 20th century. The pH value of atmospheric rainfall in Changsha has been under 5.0 for almost 10 years and is still going down while the frequency of acid rain goes higer. Pollution in the city zone indicates an aggravating trend. Cinnamomum camphora, Osmanthus fragrans, Magnolia grandiflora, Rhododendron simsii Planch, Rhododendron indicum, Loropetalum chinense and var.rubrum are important plants for green-gardening in southern cities. They are widely used and have great potential for.further development:The research studying the effects of mineral elements in simulated acid rain on six plant species offers basic theory for choosing greening plants that can withstand acid rain and resist pollution in southern cities.The results show that, when treated under acid rain with pH3.0, the increased order of mineral elements in leaves of Cinnamomum camphora seeding is Ca |
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