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| Web URL(s): | https://dl.sciencesocieties.org/publications/jeq/pdfs/20/1/JEQ0200010153
Last checked: 12/12/2016
Requires: PDF Reader
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| Publication Type:
| Refereed |
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| Author(s): | Sommer, S. G.;
Jensen, E. S. |
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| Author Affiliation: | Sommer, Askov Experimental Station, Vejen, Denmark, Jensen, Agricultural Research Department |
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| Title: | Foliar absorption of atmospheric ammonia by ryegrass in the field |
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| Source: | Journal of Environmental Quality. Vol. 20, No. 1, January-March 1991, p. 153-156. |
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| Publishing Information: | Madison, Wisconsin: American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America |
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| Keywords: | TIC Keywords: Atmosphere; Ammonia
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| Abstract/Contents: | "The dry deposition of ammonia (NH3) in the field was measured simultaneously at increasing distances from a point source (a dairy farm) using a biomonitor. The biomonitor was Italian ryegrass (Lolium multiflorum Lam.) grown in pots and supplied with 15N-labeled N. The use of 15N improved the precision and lowered the detection limit of the of the method compared with calculating the NH3 deposition using the difference method (N-balance method). Atmospheric NH3-concentrations were measured by drawing air through traps containing sulfuric acid. At the end of a 6-wk period in the growing season, the deposition of N was 3.0 g N/m2 and 0.7 g N/m2 at average atmospheric concentrations of 89 and 6 micro g NH3-N/m3, respectively. Estimated deposition velocities ranged from 0.7 to 3.4 cm/s with an average of 1.6 cm/s (s.d. 1.2 cm/s)." |
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| Language: | English |
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| References: | 20 |
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| See Also: | Other items relating to: Foliar Feeding & Uptake |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Sommer, S. G., and E. S. Jensen. 1991. Foliar absorption of atmospheric ammonia by ryegrass in the field. J. Environ. Qual. 20(1):p. 153-156. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/jeq/pdfs/20/1/JEQ0200010153
Last checked: 12/12/2016
Requires: PDF Reader
Notes: Item is within a limited-access website |
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MSU catalog number: S 900 .J6 |
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