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Year 2005 Remove constraint 2005: 2005 Subjects nitrogen Remove constraint nitrogen: nitrogen
Displaying items 101 - 106 of 106 start over

101. Tree growth, foliar chemistry, and nitrogen cycling across a nitrogen deposition gradient in southern Appalachian deciduous forests

Description:
Includes references
Author:
Boggs, J.L. , McNulty, S.G. , Gavazzi, M.J. , Myers, J.M.
Subject:
forest health , soil-atmosphere interactions , nitrogen , tree growth , chemical constituents of plants , biogeochemical cycles , Fagus grandifolia , Acer saccharum , Betula alleghaniensis , basal area , leaves , nitrification , mineralization , forest trees , stand structure , forest decline , plant biochemistry , forest soils , forest stands , plant micronutrients , forest ecosystems , Appalachian region , North Carolina , Virginia
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2005

102. Ultra-high plant populations and nitrogen fertility effects on corn in the Mississippi Valley

Description:
Includes references
Author:
Bruns, H.A. , Abbas, H.K.
Subject:
Zea mays , corn , grain crops , plant density , nitrogen , soil fertility , nutrient availability , plant growth , grain yield , yield components , fertilizer rates , nitrogen fertilizers , application timing , Mississippi
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2005

103. 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

104. Use of Electromagnetic Soil Surveys to Locate Areas of Nutrient Buildup

Description:
Meeting held July 17-20, 2005, Tampa, Florida.
Author:
Eigenberg, R.A. , Woodbury, B.L. , Nienaber, J.A.
Subject:
feedlots , cattle manure , soil pollution , soil nutrients , nitrogen , phosphorus , electromagnetic induction techniques , spatial variation , soil heterogeneity , surface layers , electrical conductivity , Nebraska
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2005

105. Variable-rate N Management: One Option For Better Profits

Description:
Includes references
Author:
Schepers, James , Shanahan, John
Subject:
nitrogen fertilizers , fertilizer application , variable rate application , fertilizer requirements , soil fertility , nitrogen , image analysis
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2005

106. Whole-farm perspectives of nutrient flows in grassland agriculture

Description:
Includes references
Author:
Rotz, C.A. , Taube, F. , Russelle, M.P. , Oenema, J. , Sanderson, M.A. , Wachendorf, M.
Subject:
pastures , literature reviews , rangelands , biogeochemical cycles , farming systems , soil fertility , eutrophication , animal manures , animal manure management , grain crops , nitrogen , nutrient management , simulation models , profitability , corn silage , cover crops , barns , soil injection , Germany , Netherlands
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2005