Content tagged "feedyard"

Developing a Modeling Framework to Characterize Manure Flows in Texas

Animal Manure Management Updated: October 09, 2015

Waste to Worth home | More proceedings....In recent years, sharply rising costs of inorganic fertilizers have contributed to an increased demand for manure...

Measuring Nitrous Oxide and Methane Emissions from Feedyard Pen Surfaces; Experience with the NFT-NSS Chamber Technique

Animal Manure Management Updated: August 03, 2015

Accurate estimation of greenhouse gas emissions, including nitrous oxide and methane, from open beef cattle feedlots is an increasing concern given the...

Particulate matter from open lot dairies and cattle feeding: recent developments

Animal Manure Management Updated: May 15, 2015

The research community is making good progress in understanding the mechanical, biochemical, and atmospheric processes that are responsible for airborne...

Ammonia and Nitrous Oxide Model for Open Lot Cattle Production Systems

Animal Manure Management Updated: May 15, 2015

Air emissions, such as ammonia (NH3) and nitrous oxide (N2O), vary considerably among beef and dairy open lot operations as influenced by the climate and...

Ammonia Emissions and Emission Factors: A Summary of Investigations at Beef Cattle Feedyards on the Southern High Plains

Beef Cattle Animal Manure Management Updated: November 18, 2013

Waste to Worth home | More proceedings....Ammonia volatilization is a major component of the nitrogen balance of a feedyard, and the effects of ammonia loss...

Photometric measurement of ground-level fugitive dust emissions from open-lot animal feeding operations.

Animal Manure Management Updated: November 13, 2013

Waste to Worth home | More proceedings....Fugitive dust from confined livestock operations is a primary air quality issue associated with impaired...

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USDA / NIFA

This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.