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A one-year study in a typical agricultural region of Southeast China was conducted to determine atmospheric nitrogen fluxes of typical N compounds and contribution of two sources (wet and dry deposition) to N deposition. The results show that ammonia was the major component within the samples, accounting for 55-60% of the dissolved inorganic nitrogen concentrations. For one year in 2004, the total atmospheric N deposition was 28.8 kg N ha-1, with wet deposition accounting for 93.8% of the total deposition. Ammonia was the predominate contributor, accounting for 64.4% of the total deposition. Therefore, atmospheric N deposition should be considered when water eutrophication and critical loads of atmospheric deposition on agricultural system are estimated. © 2011 IEEE.
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Year: 2011
Language: English
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