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Analysis of Soil Content from Roadside at Urban Area in Kathmandu Valley, Nepal

Author Affiliations

  • 1Central Department of Botany, Tribhuvan University, Kirtipur, Kathmandu, Nepal
  • 2School of Environmental Science, Jawaharlal Nehru University, New Delhi, India
  • 3School of Environmental Science, Jawaharlal Nehru University, New Delhi, India
  • 4School of Environmental Science, Jawaharlal Nehru University, New Delhi, India
  • 5School of Environmental Science, Jawaharlal Nehru University, New Delhi, India
  • 6School of Environmental Science, Jawaharlal Nehru University, New Delhi, India

Int. Res. J. Environment Sci., Volume 13, Issue (1), Pages 10-16, January,22 (2024)


Contamination of metals from different activities, sources is in roadside soil at urban environment. The dust, smokes, vehicles, and developmental structure are also affected in the soil and plant. It is aimed to determine the effects of air pollution to contaminate in the content at different roadside soil. The study is aim to cover different sites which are heavily polluted, moderately polluted and less polluted sites within different seasons. The soil was collected from study sites. The methods for extraction and digestion of soil samples, bulk elemental analysis were applied. The digested samples were prepared for further elemental analysis and analyzed on ICP-OES equipment. ICP-OES was used to analyze the samples and following elements as Al, Cd, Co, Cr, Cu, Fe, Mg, Ni, Pb, V and Zn were determined. It concluded that Aluminium values are in the first order at all 3 sites and in 2 seasons. In contrast, Cadmium value at the last at all 3 sites and in 2 seasons. Iron and Manganese are in the second and third of the elements series. Due to air pollution, urban soils can be contaminated from different pollutants. The nitrogen and pH values are also determined which is suitable for the environment. These resources can also accumulate in plants, human health and in environment.


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