Sort By:
  1. A biochemical study of nitrogen in certain legumes / by Albert L. Whiting.
    By: Whiting, Albert L.
    Publication info: Urbana, Ill. :University of Illinois Agricultural Experiment Station,1915.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Bacteria, Nitrifying  Fixation  Legumes  Leguminosae  Nitrogen  
    View Book
  2. A biochemical study of nitrogen in certain legumes,
    By: Whiting, Albert Lemuel,
    Publication info: Urbana, Ill.,1915
    Contributed by: Library of Congress
    Subjects: Legumes  Nitrogen  
    View Book
  3. Contribution à la question de l'azote /
    By: Petermann, Arthur Julius,
    Publication info: Bruxelles :F. Hayez,1890-1893
    Contributed by: Smithsonian Libraries
    Subjects: Effect of nitrogen on  Nitrogen  Nutrition  Plants  
    BHL Collections: Smithsonian Libraries
    View Book
  4. Determinations of nitrogen in the soils of some of the experimental fields at Rothamsted and the bearing of the results on the question of the sources of the nitrogen of our crops / by Sir John Bennet Lawes and Joseph Henry Gilbert.
    By: Lawes, J. B. - Gilbert, J. H. - American Association for the Advancement of Science.
    Publication info: London :Harrison,1883.
    Contributed by: Canadiana.org (archive.org)
    Subjects: Experimentation  Nitrogen  Nitrogen content  Soils  
    View Book
  5. The evaluation of associative N2-fixation in bahiagrass and corn / by Robert Larson Green.
    By: Green, Robert Larson,
    Publication info: 1982.
    Contributed by: University of Florida, George A. Smathers Libraries (archive.org)
    Subjects: Agronomy  Agronomy thesis Ph. D  Bahia grass  Corn  Dissertations, Academic  Fixation  Nitrogen  UF  
    View Book
  6. Evaluation of Panicum virgatum L. for nitrogen related agronomic characters / by Glen C. Weiser.
    By: Weiser, Glen C.
    Publication info: 1980.
    Contributed by: University of Florida, George A. Smathers Libraries (archive.org)
    Subjects: Agronomy  Agronomy thesis Ph. D  Dissertations, Academic  Fixation  Florida  Forage plants  Nitrogen  Switch grass  UF  
    View Book
  7. Foliar nitrogen content and tree growth after prescribed fire in ponderosa pine /
    By: Landsberg, Johanna D. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
    Publication info: Portland, Or. :U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station,[1984]
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Fixation  Nitrogen  Ponderosa pine  Prescribed burning  
    View Book
  8. The importance of runoff and winter anoxia to P and N dynamics of a beaver pond / report prepared by Kevin J. Devito and Peter J. Dillon.
    By: Devito, Kevin John, - Dillon, P. J. - Ontario.
    Publication info: [Toronto] :Queen's Printer for Ontario,1992.
    Contributed by: Ontario Ministry of the Environment (archive.org)
    Subjects: Environment aspects  Lake ecology  Nitrogen  Nitrogen content  Ontario  Phosphorus  Phosphorus content  Stream ecology  Water  
    View Book
  9. The influence of hydrologic fluctuations and peat oxia on the phosphorus and nitrogen dynamics of a conifer swamp / [report prepared by Kevin J. Devito and Peter J. Dillon].
    By: Devito, Kevin John,
    Publication info: [Toronto] :Ontario Environment,1992.
    Contributed by: Ontario Ministry of the Environment (archive.org)
    Subjects: Conifers  Environmental aspects  Nitrogen  Ontario  Phosphorus  Runoff  Swamps  
    View Book
  10. On the sources of the nitrogen of vegetation : with special reference to the question whether plants assimilate free or uncombined nitrogen / by John Bennet Lawes, Joseph Henry Gilbert and Evan Pugh.
    By: Lawes, J. B. - Gilbert, Joseph Henry, - Pugh, Evan,
    Publication info: London :Printed by Taylor and Francis,1862.
    Contributed by: Mertz Library, The New York Botanical Garden
    Subjects: Nitrogen  Plants  
    BHL Collections: New York Botanical Garden
    View Book
  11. On the sources of the nitrogen of vegetation; with special reference to the question whether plants assimilate free or uncombined nitrogen.
    By: Lawes, J. B. - Gilbert, Joseph Henry, - Pugh, Evan,
    Publication info: London,Printed by Taylor and Francis,1862.
    Contributed by: Cornell University Library
    Subjects: Nitrogen  Plants  
    View Book
  12. The organic matter of the soil: a study of the nitrogen distribution in different soil types ... by Clarence Austin Morrow ...
    By: Morrow, Clarence Austin,
    Publication info: Minneapolis,University Printing Co.[1919]
    Contributed by: University of California Libraries (archive.org)
    Subjects: Analysis  Nitrogen  Soils  
    View Book
  13. Proceedings.
    By: Alberta Soil Science Workshop. - Soil Science Workshop - Western Canada Nitrogen Symposium - Western Canada Phosphate Symposium
    Publication info: [Edmonton, Alta. :Alberta Agriculture],1962-
    Contributed by: University of Alberta Libraries (archive.org)
    Subjects: Alberta  Congresses  Fixation  Nitrogen  Nitrogen content  Nitrogen fertilizers  Research  Soil acidity  Soil erosion  Soil management  Soil microbiology  Soil science  Soils  Soils, Salts in  
    View Book
  14. Report on an investigation of analytical methods for distinguishing between the nitrogen of proteids and that of the simpler amids or amino-acids. By J. W. Mallet. With a chapter on the separation of flesh bases from proteid matters by means of bromin. By H. W. Wiley.
    By: Mallet, John William, - Wiley, Harvey Washington,
    Publication info: Washington,Govt. Print. Off.,1898.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Amides  Nitrogen  Proteins  
    View Book
  1. Biosynthesis of proline in fruits of green bean plants: deficiency versustoxicity of nitrogen
    By: Sánchez,E - Ávila-Quezada,G - Gardea,AA - Ruiz,JM - Romero,L
    Type: Article
    In: Phyton (Buenos Aires)
    Date: 2007-12-01
    Subjects: Deficiency  Green bean  Nitrogen  Phaseolus vulgaris L  Proline metabolism  toxicity  
    View Article (External)
  2. Dry deposition of nitrogen to passive samplers in grassland and forest canopies in the Central depression of southern Chile
    By: Godoy,Roberto - Haneke,Jörgen - Staelens,Jeroen - Oyarzún,Carlos - Paulino,Leandro - Barrientos,Mónica
    Type: Article
    In: Gayana. Botánica
    Date: 2005-01-01
    Subjects: Atmospheric deposition  Nitrogen  Nothofagus obliqua forest  Pinus radiata plantation  surrogate surface  
    View Article (External)
  3. Effects of nutrients enrichment on algal communities: an experimental in mesocosms approach
    By: Felisberto,Sirlene Aparecida - Leandrini,Josimeire Aparecida - Rodrigues,Liliana
    Type: Article
    In: Acta Limnologica Brasiliensia
    Date: 2011-06-01
    Subjects: benthic algal  Chlorophyceae  Nitrogen  Phosphorus  Zygnemaphyceae  
    View Article (External)
  4. Eutrophization process in a system used for rearing the nile tilapia (Oreochromis niloticus), São Paulo State, Brazil
    By: Pereira,Jeniffer Sati - Mercante,Cacilda Thais Janson - Lombardi,Julio Vicente - Vaz-dos-Santos,André Martins - Carmo,Clóvis Ferreira do - Osti,João Alexandre Saviolo
    Type: Article
    In: Acta Limnologica Brasiliensia
    Date: 2012-12-01
    Subjects: Environment  Nitrogen  Oreochromis niloticus  Phosphorus  pisciculture  
    View Article (External)
  5. Mercury and stable isotopes (δ15N and δ13C) as tracers during the ontogeny of Trichiurus lepturus
    By: Beneditto,Ana Paula Madeira Di - Bittar,Vanessa Trindade - Rezende,Carlos Eduardo de - Camargo,Plinio Barbosa - Kehrig,Helena Amaral
    Type: Article
    In: Neotropical Ichthyology
    Date: 2013-03-01
    Subjects: Carbon  Diet tracers  Nitrogen  Trace element  Trichiurus lepturus  
    View Article (External)
  6. Nitrogen dynamics model in zero water exchange, low salinity intensive ponds of white shrimp, Litopenaeus vannamei, at Colima, Mexico
    By: Castillo-Soriano,Francisco A - Ibarra-Junquera,Vrani - Escalante-Minakata,Pilar - Mendoza-Cano,Oliver - Ornelas-Paz,José de Jesús - Almanza-Ramírez,Juan C - Meyer-Willerer,Alejandro O
    Type: Article
    In: Latin american journal of aquatic research
    Date: 2013-03-01
    Subjects: Colima  dynamical model  low salinity  Mexico  Nitrogen  white shrimp  
    View Article (External)
  7. NO AND N2O FLUXES FROM A BELGIAN FOREST AFFECTED BY ELEVATED NITROGEN DEPOSITION
    By: Boeckx,Pascal - Vervaet,Hilde - Cleemput,Oswald van
    Type: Article
    In: Gayana. Botánica
    Date: 2005-01-01
    Subjects: cycling  Emission  forest soil  nitric oxide  Nitrogen  nitrous oxide  
    View Article (External)
  8. Nutrients and water-forest interactions in an Amazon floodplain lake: an ecological approach
    By: Aprile,Fabio - Darwich,Assad José
    Type: Article
    In: Acta Limnologica Brasiliensia
    Date: 2013-06-01
    Subjects: Amazonian mixed lake  Carbon  Connectivity  Nitrogen  Phosphorus  
    View Article (External)
  9. Oligotrophic patterns in southern Chilean lakes: the relevance of nutrients and mixing depth
    By: SOTO,DORIS
    Type: Article
    In: Revista chilena de historia natural
    Date: 2002-06-01
    Subjects: mixing depth  Nitrogen  oligotrophy  temperate lakes  
    View Article (External)
  10. Oxygen depletion in the gulf of Mexico adjacent to the Mississippi river
    By: Rabalais,Nancy N
    Type: Article
    In: Gayana (Concepción)
    Date: 2006-10-01
    Subjects: anoxia  Eutrophication  Hypoxia  Nitrogen  nutrients  
    View Article (External)
  11. Phosphorus, nitrogen, and carbon contents of macrophytes in lakes lateral to a tropical river (Paranapanema River, São Paulo, Brazil)
    By: Costa,Mara Lucia Rodrigues - Henry,Raoul
    Type: Article
    In: Acta Limnologica Brasiliensia
    Date: 2010-06-01
    Subjects: content  macrophyte  Nitrogen  Phosphorus  tropical lakes  
    View Article (External)
  12. Relation between chemical composition of Grateloupia doryphora (Montagne) Howe, Gymnogongrus griffithsiae (Turner) Martius, and abiotic parameters
    By: Perfeto,Paulo Nelo Medeiros
    Type: Article
    In: Acta Botanica Brasilica
    Date: 1998-04-01
    Subjects: Algae  ashes  carbohidrates  Lipids  Nitrogen  Phosphorus  Potassium  Proteins  
    View Article (External)
  13. SEASONAL VARIATION IN LEAF LITTER NUTRIENT CONCENTRATIONS OF VALDIVIAN RAINFOREST TREES
    By: Lusk,Christopher H. - Matus,Francisco - Moreno-Chacón,María - Saldaña,Alfredo - Jiménez-Castillo,Mylthon
    Type: Article
    In: Gayana. Botánica
    Date: 2003-01-01
    Subjects: Nitrogen  nutrient cycling  Phosphorus  plant nutrition  resorption  
    View Article (External)
  14. Temporal variation in the biomass and nutrient status of Azolla filiculoides Lam. (Salviniaceae) in a small shallow dystrophic lake
    By: Trindade,Claudio Rossano Trindade - Albertoni,Edélti Faria - Palma-Silva,Cleber
    Type: Article
    In: Acta Limnologica Brasiliensia
    Date: 2011-12-01
    Subjects: Carbon  floating macrophytes  Nitrogen  Phosphorus  primary production  
    View Article (External)