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Subjects nitrogen Remove constraint nitrogen: nitrogen Subjects estimation Remove constraint estimation: estimation Year 2005 Remove constraint 2005: 2005

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1. Ammonia and gaseous nitrogen emissions from a commercial beef cattle feedyard estimated using the flux-gradient method and N:P ratio analysis

Description:: Includes references
Author:: Todd, R.W. , Cole, N.A. , Harper, L.A. , Flesch, T.K. , Baek, B.H.
Subject:: gas emissions , air pollution , beef cattle , feedlots , ammonia , nitrogen , estimation , meteorology and climatology , cattle manure , feeds , summer , winter , wind speed , air temperature , chemiluminescence , phosphorus , diet , body weight , Texas , High Plains (United States)
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2005

2. Methodological considerations in using gas production techniques for estimating ruminal microbial efficiencies for silage-based diets

Description:: In the special issue: The in vitro gas production technique: limitations and opportunities / edited by U. Krishnamoorthy, C. Rymer and P.H. Robinson.
Author:: Grings, E.E. , Blummel, M. , Sudekum, K.H.
Subject:: gas production (biological) , in vitro studies , rumen microorganisms , silage , estimation , in vivo studies , allantoin , urination , steers , cattle feeding , biodegradability , nitrogen , rumen fermentation , ammonia , nutrient availability , organic acids and salts , accuracy , microbial growth , equations
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2005

3. Use of animal density to estimate manure nutrient recycling ability of Wisconsin dairy farms

Description:: Includes references
Author:: Saam, H. , Powell, J. Mark , Jackson-Smith, Douglas B. , Bland, William L. , Posner, Joshua L.
Subject:: dairy farming , estimation , nutrients , dairy manure , nitrogen , phosphorus , manure spreading , agricultural land , crops , tillage , soil texture , animal manure management , herd size , population density , Wisconsin
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2005