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- Title
Effect of Nitrogen Fertilizer Application on Growing Season Soil Carbon Dioxide Emission in a Corn--Soybean Rotation.
- Authors
Al-Kaisi, Mahdi M.; Kruse, Marc L.; Sawyer, John E.
- Abstract
This article discusses the effects of nitrogen fertilizer application on carbon dioxide emissions and microbial biomass carbon in Iowa. The authors studied fields with a corn and soybean rotation at different nitrogen application rates. They found that in aerobically incubated soils, carbon dioxide declined more consistently as nitrogen rate increased than in the field. They concluded that nitrogen application resulted in a reduction in season long cumulative emission of carbon dioxide –carbon from soil and a reduction in emission rate.
- Subjects
IOWA; NITROGEN; FERTILIZER application; CARBON dioxide; BIOMASS; EMISSIONS (Air pollution); CARBON; SEASONAL variations in biogeochemical cycles; SOYBEAN; CORN; CROP rotation
- Publication
Journal of Environmental Quality, 2008, Vol 37, Issue 2, p325
- ISSN
0047-2425
- Publication type
Article
- DOI
10.2134/jeq2007.0240