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Atmospheric Environment 36 (2002) 137147 Nitric oxide emissions from soils amended with
 

Summary: Atmospheric Environment 36 (2002) 137147
Nitric oxide emissions from soils amended with
municipal waste biosolids
Paul A. Roelle, Viney P. Aneja*
Department of Marine, Earth and Atmospheric Sciences, North Carolina State University, Raleigh, NC 27695-8208, USA
Received 10 February 2001; accepted 1 August 2001
Abstract
Land spreading nitrogen-rich municipal waste biosolids (NO3

-No256 mg N kg1
dry weight, NH3-NB23,080 mg
N kg1
dry weight, Total Kjeldahl NB41,700 mg N kg1
dry weight) to human food and non-food chain land is a
practice followed throughout the US. This practice may lead to the recovery and utilization of the nitrogen by
vegetation, but it may also lead to emissions of biogenic nitric oxide (NO), which may enhance ozone pollution in the
lower levels of the troposphere. Recent global estimates of biogenic NO emissions from soils are cited in the literature,
which are based on field measurements of NO emissions from various agricultural and non-agricultural fields. However,
biogenic emissions of NO from soils amended with biosolids are lacking. Utilizing a state-of-the-art mobile laboratory
and a dynamic flow-through chamber system, in-situ concentrations of nitric oxide (NO) were measured during the

  

Source: Aneja, Viney P. - Department of Marine, Earth and Atmospheric Sciences, North Carolina State University

 

Collections: Environmental Sciences and Ecology; Geosciences