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Ammonia emissions from two fertilized wheat fields

Technical Report:

Abstract

The NH{sub 3} emissions from two winter wheat fields have been measured with a new variant of the gradient technique. Wind speed weighted, weekly average NH{sub 3} concentrations and the average wind speed were determined using passive samplers. One of the fields received an optimum amount of nitrogen fertilization and the second field 60% of the optimum. The measurements started on June 11th and ended on the day of harvesting (Aug 3rd, 1992). The measurements clearly show that the NH{sub 3} emissions equal the NH{sub 3} deposition from the atmosphere, and that the two fluxes are very small and negligible compared to the nitrogen content of the crop. An explanation to this may be that the summer was unusually warm and dry. No loss of nitrogen could be detected from the weekly crop analyses. 6 refs, 8 figs, 2 tabs
Authors:
Publication Date:
Jul 01, 1993
Product Type:
Technical Report
Report Number:
IVL-B-1106
Reference Number:
SCA: 540120; PA: SWD-93:007447; EDB-94:021181; NTS-94:008790; ERA-19:007408; SN: 94001129774
Resource Relation:
Other Information: PBD: Jul 1993
Subject:
54 ENVIRONMENTAL SCIENCES; AGRICULTURE; AIR POLLUTION; AMMONIA; EMISSION; FERTILIZERS; NITROGEN; WHEAT; EXPERIMENTAL DATA; 540120; CHEMICALS MONITORING AND TRANSPORT
OSTI ID:
10117139
Research Organizations:
Swedish Environmental Research Inst., Goeteborg (Sweden)
Country of Origin:
Sweden
Language:
English
Other Identifying Numbers:
Other: ON: DE94730415; TRN: SE9307447
Availability:
OSTI; NTIS
Submitting Site:
SWD
Size:
12 p.
Announcement Date:
Jun 30, 2005

Technical Report:

Citation Formats

Ferm, M. Ammonia emissions from two fertilized wheat fields. Sweden: N. p., 1993. Web.
Ferm, M. Ammonia emissions from two fertilized wheat fields. Sweden.
Ferm, M. 1993. "Ammonia emissions from two fertilized wheat fields." Sweden.
@misc{etde_10117139,
title = {Ammonia emissions from two fertilized wheat fields}
author = {Ferm, M}
abstractNote = {The NH{sub 3} emissions from two winter wheat fields have been measured with a new variant of the gradient technique. Wind speed weighted, weekly average NH{sub 3} concentrations and the average wind speed were determined using passive samplers. One of the fields received an optimum amount of nitrogen fertilization and the second field 60% of the optimum. The measurements started on June 11th and ended on the day of harvesting (Aug 3rd, 1992). The measurements clearly show that the NH{sub 3} emissions equal the NH{sub 3} deposition from the atmosphere, and that the two fluxes are very small and negligible compared to the nitrogen content of the crop. An explanation to this may be that the summer was unusually warm and dry. No loss of nitrogen could be detected from the weekly crop analyses. 6 refs, 8 figs, 2 tabs}
place = {Sweden}
year = {1993}
month = {Jul}
}