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Transformation of Nitrogen and Its Effects on Metal Elements by Coated Urea Application in Soils from South China

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Molecular Environmental Soil Science at the Interfaces in the Earth’s Critical Zone

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Abstract

This paper studied the transformation of N and its effects on metal elements under supply of two types of urea. The results showed that hydrolysis rate of coated urea was lower than common urea. After 48 days incubation, the concentrations of NH4 + and NO3 − in soil were greater by coated urea application than that by common urea application. Urea application decreased in the first week, and then increased the concentrations of Al, Mn and Ca while the effect of treatment on soil pH followed the opposite pattern. In pH 4–8, concentrations of these elements were negatively correlated with soil pH.

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References

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Author information

Authors and Affiliations

  1. College of Resources and Environment, Hunan Agricultural University, Changsha, 410128, China

    Zhaohui Jianga, Qingru Zeng, Hejie Pi, Bohan Liao, Xiaoyou Feng & Yulin Sun

  2. College of Chemical and Biological Engineering, Changsha University of Science and Technology, Changsha, 410004, China

    Zhaohui Jianga

Authors
  1. Zhaohui Jianga
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  2. Qingru Zeng
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  3. Hejie Pi
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  4. Bohan Liao
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  5. Xiaoyou Feng
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  6. Yulin Sun
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Corresponding author

Correspondence to Qingru Zeng .

Editor information

Editors and Affiliations

  1. College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310029, China

    Jianming Xu

  2. Department of Soil Science, University of Saskatchewan, Saskatoon, SK, S7N 5A8, Canada

    Pan Ming Huang

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© 2010 Zhejiang University Press, Hangzhou and Springer-Verlag Berlin Heidelberg

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Jianga, Z., Zeng, Q., Pi, H., Liao, B., Feng, X., Sun, Y. (2010). Transformation of Nitrogen and Its Effects on Metal Elements by Coated Urea Application in Soils from South China. In: Xu, J., Huang, P.M. (eds) Molecular Environmental Soil Science at the Interfaces in the Earth’s Critical Zone. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-05297-2_42

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