Search National Agricultural Library Digital Collections

You searched for:

Year 2006 Remove constraint 2006: 2006 Subjects forest soils Remove constraint forest soils: forest soils Subjects nitrification Remove constraint nitrification: nitrification

Displaying all 4 items start over

1. Calcium Additions and Microbial Nitrogen Cycle Processes in a Northern Hardwood Forest

Description:: Includes references
Author:: Groffman, Peter M. , Fisk, Melany C. , Driscoll, Charles T. , Likens, Gene E. , Fahey, Timothy J. , Eagar, Christopher , Pardo, Linda H.
Subject:: forest soils , hardwood forests , calcium , leaching , acid deposition , soil respiration , gas emissions , carbon dioxide , methane , nitrous oxide , soil pH , cations , nitrogen , mineralization , nitrification , carbon , soil microorganisms , microbial activity , soil chemistry , biogeochemical cycles , soil-atmosphere interactions , watersheds , foliar uptake , phosphorus , New Hampshire
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2006

2. Invasive earthworm species and nitrogen cycling in remnant forest patches

Description:: In the special issue: Biological invasions and belowground ecology / edited by P.J. Bohlen.
Author:: Szlavecz, K. , Placella, S.A. , Pouyat, R.V. , Groffman, P.M. , Csuzdi, C. , Yesilonis, I.
Subject:: forest soils , urban areas , rural areas , earthworms , invasive species , nitrogen , mineralization , soil nutrient dynamics , nitrification , soil properties , biotransformation , Maryland
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2006

3. Regional Assessment of N Saturation using Foliar and Root delta15N

Description:: Includes references
Author:: Pardo, L. H. , Templer, P. H. , Goodale, C. L. , Duke, S. , Groffman, P. M. , Adams, M. B. , Boeckx, P. , Boggs, J. , Campbell, J. , Colman, B. , Compton, J. , Emmett, B. , Gundersen, P. , Kjønaas, J. , Lovett, G. , Mack, M. , Magill, A. , Mbila, M. , Mitchell, M. J. , McGee, G. , McNulty, S. , Nadelhoffer, K. , Ollinger, S. , Ross, D. , Rueth, H. , Rustad, L. , Schaberg, P. , Schiff, S. , Schleppi, P. , Spoelstra, J. , Wessel, W.
Subject:: nitrogen , atmospheric deposition , forest ecosystems , forest soils , mineralization , nitrification , leaves , roots , stable isotopes , isotope labeling , carbon nitrogen ratio , geographical variation , hardwood , conifers , trees , Picea rubens , Acer rubrum , Betula alleghaniensis , Fagus grandifolia , Acer saccharum , forest litter , vesicular arbuscular mycorrhizae , ectomycorrhizae , correlation , Northeastern United States , Europe , Chile , Alaska , Colorado
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2006

4. Species And Rotation Frequency Influence Soil Nitrogen In Simplified Tropical Plant Communities

Description:: Includes references
Author:: Ewel, J.J.
Subject:: plant communities , plant ecology , Cedrela odorata , Hieronyma , Cordia alliodora , Heliconia , Euterpe oleracea , forest plantations , crop rotation , tropical soils , forest soils , soil fertility , nitrogen , nitrification , mineralization , nitrate nitrogen , ammonium nitrogen , Costa Rica
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2006