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Nitrogen Source Study for Greenhouse gas Reduction through Agricultural Carbon Enhancement network in Fort Collins, Colorado

Nitrogen Source Study for Greenhouse gas Reduction through Agricultural Carbon Enhancement network in Fort Collins, Colorado
Nitrogen fertilization is essential for optimizing crop yields; however, it increases N2O emissions. The study objective was to compare N2O emissions resulting from application of commercially available enhanced-effi ciency N fertilizers with emissions from conventional dry granular urea in irrigated cropping systems. These emissions were monitored from several irrigated cropping systems receiving N fertilizer rates ranging from 0-246 kg/ha from years 2007-2008 with intermediate rates of 157 kg/ha applied to the barley crop in corn-barley rotation and 56 kg/ha applied to the dry bens in the corn-dry bean rotation. Cropping systems included conventional-till continuous corn (CT-CC), no-till continuous corn (NT-CC), no-till corn–dry bean (NT-CDb), and no-till corn–barley (NT-CB). Nitrous oxide fluxes were measured during ten growing seasons using static, vented chambers and a gas chromatograph analyzer. This work shows that the use of no-till and enhanced-effi ciency N fertilizers can potentially reduce N2O emissions from irrigated systems.

FieldValue
Tags
Modified
2019-08-05
Release Date
2018-04-10
Identifier
11aec7d7-2a2a-4b52-ae96-990001c7d994
Spatial / Geographical Coverage Area
POLYGON ((-104.99998 40.65193, -104.998263 40.65193, -104.998263 40.65069, -104.99998 40.65069))
Temporal Coverage
January 1, 2007 to December 31, 2008
License
Contact Name
Grosso, Steve Del
Contact Email
Public Access Level
Public
Program Code
005:040 - Department of Agriculture - National Research
Bureau Code
005:18 - Agricultural Research Service
Source ID
11aec7d7-2a2a-4b52-ae96-990001c7d994
Harvested from Geodata Harvest
Harvest Source TitleGeodata Harvest
Harvest Source URIhttps://geodata:NAL2geodata@2017@geodata.nal.usda.gov/geonetwork/srv/eng/csw
Last Harvest PerformedTue, 04/10/2018 - 13:22

Metadata Source