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Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory [microform] : evaluation of alkaline persulfate digestion as an alternative to Kjeldahl digestion for determination of total and dissolved nitrogen and phosphorus in water / by Charles J. Patton and Jennifer R. Kryskalla (Water-resources investigations report ; 03-4174)

Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory [microform] : evaluation of alkaline persulfate digestion as an alternative to Kjeldahl digestion for determination of total and dissolved nitrogen and phosphorus in water / by Charles J. Patton and Jennifer R. Kryskalla (Water-resources investigations report ; 03-4174)
Microform図書
2003<YCA-I 19.42/4:03-4174>
National Diet Library
  • Subject Heading...oratory (U.S.) Water -- Nitrogen content -- Analysis Water -- Phosphor...

Nitrogen in streams of the upper Tennessee River Basin, 1970-93 [microform] / by M.W. Treece, Jr., and Gregory C. Johnson (Open-file report ; 97-117)

Nitrogen in streams of the upper Tennessee River Basin, 1970-93 [microform] / by M.W. Treece, Jr., and Gregory C. Johnson (Open-file report ; 97-117)
Microform図書
1997<YCA-I 19.76:97-117>
National Diet Library
  • Subject HeadingWater -- Nitrogen content -- Tennessee River Watershed

Plan of study to determine if the isotopic ratios [delta] ¹⁵N and [delta] ¹⁸O can reveal the sources of nitrate discharged by the Mississippi River into the Gulf of Mexico [microform] / by William A. Battaglin ... [et al.] (U.S. Geological Survey open-file report ; 97-230)

Plan of study to determine if the isotopic ratios [delta] ¹⁵N and [delta] ¹⁸O can reveal the sources of nitrate discharged by the Mississippi River into the Gulf of Mexico [microform] / by William A. Battaglin ... [et al.] (U.S. Geological Survey open-file report ; 97-230)
Microform図書
1997<YCA-I 19.76:97-230>
National Diet Library
  • Subject HeadingWater -- Pollution -- Mississippi River Water -- Nitrogen content -- Mississippi River

Estimated quantity of water in fractured bedrock units on Mt. Desert Island, and estimated ground-water use, recharge, and dilution of nitrogen in septic waste in the Bar Harbor area, Maine / by Martha G. Nielsen ; in cooperation with the Town of Bar Harbor and the National Park Service (Open-file report ; 02-435)

Estimated quantity of water in fractured bedrock units on Mt. Desert Island, and estimated ground-water use, recharge, and dilution of nitrogen in septic waste in the Bar Harbor area, Maine / by Martha G. Nielsen ; in cooperation with the Town of Bar Harbor and the National Park Service (Open-file report ; 02-435)
Microform図書
2002<YCA-I 19.76:02-435>
National Diet Library
  • Subject Heading... Desert Island Water -- Nitrogen content -- Maine -- Mount Desert Isla...

Methods for identifying sources of nitrogen contamination of ground water in valleys in Washoe County, Nevada [microform] / by Ralph L. Seiler ; prepared in cooperation with the Washoe County Department of Comprehensive Planning (U.S. Geological Survey open-file report ; 96-461)

Methods for identifying sources of nitrogen contamination of ground water in valleys in Washoe County, Nevada [microform] / by Ralph L. Seiler ; prepared in cooperation with the Washoe County Department of Comprehensive Planning (U.S. Geological Survey open-file report ; 96-461)
Microform図書
1996<YCA-I 19.76:96-461>
National Diet Library
  • Subject Heading... Washoe County Water -- Nitrogen content -- Nevada -- Washoe County

Hydrogeologic foundations in support of ecosystem restoration [microform] : base-flow loadings of nitrate in mid-Atlantic agricultural watersheds / Mohamed M. Hantush, Jerome Cruz

Hydrogeologic foundations in support of ecosystem restoration [microform] : base-flow loadings of nitrate in mid-Atlantic agricultural watersheds / Mohamed M. Hantush, Jerome Cruz
Microform図書
1999<YCA-EP 1.23/6:600/R-99/104>
National Diet Library
  • Subject Heading...-- Kent County Water -- Nitrogen content -- Maryland -- Kent County Wa...

Nonpoint and point sources of nitrogen in major watersheds of the United States : introduction / by Larry J. Puckett

Nonpoint and point sources of nitrogen in major watersheds of the United States : introduction / by Larry J. Puckett
Microform図書
1994<YCA-I 19.2:N 63>
National Diet Library
  • Subject Heading... United States Water -- Nitrogen content -- United States Water -- Pol...

Nutrients in ground water and surface water of the United States : an analysis of data through 1992 / by David K. Mueller ... [et al.]. (Water-resources investigations report ; 95-4031)

Nutrients in ground water and surface water of the United States : an analysis of data through 1992 / by David K. Mueller ... [et al.]. (Water-resources investigations report ; 95-4031)
Paper図書
U.S. Dept. of the Interior, U.S. Geological Survey1995.<ME354-A37>
National Diet Library
  • Subject Heading...素. 燐. アメリカ合衆国. Water -- Nitrogen content -- United States. Water -- Un...

Willamette Basin, Oregon [microform] : nitrogen in streams and ground water, 1980-90 / by Bernadine A. Bonn, Dennis A. Wentz, Stephen R. Hinkle (U.S. Geological Survey open-file report ; 96-227)

Willamette Basin, Oregon [microform] : nitrogen in streams and ground water, 1980-90 / by Bernadine A. Bonn, Dennis A. Wentz, Stephen R. Hinkle (U.S. Geological Survey open-file report ; 96-227)
Microform図書
1996<YCA-I 19.76:96-227>
National Diet Library
  • Subject HeadingWater -- Nitrogen content -- Oregon -- Willamette River...

Water-quality reconnaissance of ground water in the inhabited outer islands of Chuuk State, Federated States of Micronesia, 1984-85 / by Scott N. Hamlin and Kiyoshi J. Takasaki ; prepared in cooperation with the Government of Chuuk State, Federated States of Micronesia. (Water-resources investigations report ; 96-4180)

Water-quality reconnaissance of ground water in the inhabited outer islands of Chuuk State, Federated States of Micronesia, 1984-85 / by Scott N. Hamlin and Kiyoshi J. Takasaki ; prepared in cooperation with the Government of Chuuk State, Federated States of Micronesia. (Water-resources investigations report ; 96-4180)
Paper図書
U.S. Dept. of the Interior, U.S. Geological Survey1996.<ME345-A194>
National Diet Library
  • Subject Heading...esia -- Chuuk. Water -- Nitrogen content -- Micronesia -- Chuuk. Saltw...

Water balance and quantification of total phosphorus and total nitrogen loads entering and leaving the Lago de Cidra, central Puerto Rico / by Orlando Ramos-Ginés ; prepared in cooperation with the Puerto Rico Aqueduct and Sewer Authority ; Puerto Rico Environmental Quality Board and the Puerto Rico Department of Natural and Environmental Resources. (Water-resources investigations report ; 96-4222)

Water balance and quantification of total phosphorus and total nitrogen loads entering and leaving the Lago de Cidra, central Puerto Rico / by Orlando Ramos-Ginés ; prepared in cooperation with the Puerto Rico Aqueduct and Sewer Authority ; Puerto Rico Environmental Quality Board and the Puerto Rico Department of Natural and Environmental Resources. (Water-resources investigations report ; 96-4222)
Paper図書
U.S. Dept. of the Interior, U.S. Geological Survey1997.<ME343-A53>
National Diet Library
  • Subject Heading...-- Cidra Lake. Water -- Nitrogen content -- Puerto Rico -- Cidra Lake....

Nitrate in ground water and surface water in a residential subdivision, West Windsor Township, Mercer County, New Jersey, 1993 [microform] / by Glen B. Carleton and Eric F. Vowinkel ; prepared in cooperation with the West Windsor Township Environmental Commission and the New Jersey Department of Environmental Protection (U.S. Geological Survey open-file report ; 96-576)

Nitrate in ground water and surface water in a residential subdivision, West Windsor Township, Mercer County, New Jersey, 1993 [microform] / by Glen B. Carleton and Eric F. Vowinkel ; prepared in cooperation with the West Windsor Township Environmental Commission and the New Jersey Department of Environmental Protection (U.S. Geological Survey open-file report ; 96-576)
Microform図書
1996<YCA-I 19.76:96-576>
National Diet Library
  • Subject HeadingWater -- Nitrogen content -- New Jersey -- West Windsor...

Trends in chloride, dissolved-solids, and nitrate concentrations in ground water, Carson Valley and Topaz Lake Areas, Douglas County, Nevada, 1959-88 / by Carl E. Thodal ; prepared in cooperation with Douglas County. (Water-resources investigations report ; 95-4254)

Trends in chloride, dissolved-solids, and nitrate concentrations in ground water, Carson Valley and Topaz Lake Areas, Douglas County, Nevada, 1959-88 / by Carl E. Thodal ; prepared in cooperation with Douglas County. (Water-resources investigations report ; 95-4254)
Paper図書
U.S. Dept. of the Interior, U.S. Geological Survey1996.<ME345-A124>
National Diet Library
  • Subject Heading...ouglas County. Water -- Nitrogen content -- Nevada -- Douglas County. ...

Atmospheric nutrient input to coastal areas [microform] : reducing the uncertainties / Richard A. Valigura ... [et al.] (NOAA Coastal Ocean Program decision analysis series ; no. 9)

Atmospheric nutrient input to coastal areas [microform] : reducing the uncertainties / Richard A. Valigura ... [et al.] (NOAA Coastal Ocean Program decision analysis series ; no. 9)
Microform図書
1996<YCA-C 55.49/3:9>
National Diet Library
  • Subject Heading...le -- Analysis Water -- Nitrogen content -- Chesapeake Bay (Md. and Va...

Nitrate and ammonia in shallow ground water, Carson City urban area, Nevada, 1989 / by Stephen J. Lawrence. (Water-resources investigations report ; 96-4224)

Nitrate and ammonia in shallow ground water, Carson City urban area, Nevada, 1989 / by Stephen J. Lawrence. (Water-resources investigations report ; 96-4224)
Paper図書
U.S. Dept. of the Interior, U.S. Geological Survey1996.<ME345-A209>
National Diet Library
  • Subject Heading...地理区分) アメリカ合衆国. Water -- Nitrogen content -- Nevada -- Carson City Regi...

Nitrogen loadings from agricultural activities in the Great Lakes Basin : integration report on nitrogen agricultural watershed studies / Task C (Canadian Section)- Activity 1, International Reference Group on Great Lakes Pollution from Land Use Activities, International Joint Commission ; G.H. Neilsen, J.L. Culley and D.R. Cameron

Nitrogen loadings from agricultural activities in the Great Lakes Basin : integration report on nitrogen agricultural watershed studies / Task C (Canadian Section)- Activity 1, International Reference Group on Great Lakes Pollution from Land Use Activities, International Joint Commission ; G.H. Neilsen, J.L. Culley and D.R. Cameron
Microform図書
1978<YCA-Y 3.In 8/28:2 N 63>
National Diet Library
  • Subject HeadingWater quality management -- Great Lakes Water -- Nitrogen content Soils -- Nitrogen content

Presence, distribution, and potential sources of nitrate and selected pesticides in the surficial aquifer along the Straight River in north-central Minnesota, 1992-93 / by James F. Ruhl ; prepared in cooperation with the Hubbard and Becker County Soil and Water Conservation Districts and the Minnesota Pollution Control Agency. (Water-resources investigations report ; 95-4151)

Presence, distribution, and potential sources of nitrate and selected pesticides in the surficial aquifer along the Straight River in north-central Minnesota, 1992-93 / by James F. Ruhl ; prepared in cooperation with the Hubbard and Becker County Soil and Water Conservation Districts and the Minnesota Pollution Control Agency. (Water-resources investigations report ; 95-4151)
Paper図書
U.S. Dept. of the Interior, U.S. Geological Survey1995.<ME345-A100>
National Diet Library
  • Subject Heading...ubbard County) Water -- Nitrogen content -- Minnesota -- Straight Rive...

Nitrogen transport and transformations in Canagagigue Creek : final report project 19A, agricultural watershed studies / Task Group C, activity 1, International Reference Group on Great Lakes Pollution from Land Use Activities ; J.B. Robinson, N.K. Kaushik, L. Chatarpaul

Nitrogen transport and transformations in Canagagigue Creek : final report project 19A, agricultural watershed studies / Task Group C, activity 1, International Reference Group on Great Lakes Pollution from Land Use Activities ; J.B. Robinson, N.K. Kaushik, L. Chatarpaul
Microform図書
1978<YCA-Y 3.In 8/28:2 N 63/2>
National Diet Library
  • Subject Heading...agagigue Creek Water -- Nitrogen content Water -- Pollution -- Canagag...

Nitrogenous compounds in the environment / by the Hazardous Materials Advisory Committee.

Nitrogenous compounds in the environment / by the Hazardous Materials Advisory Committee.
Paper図書
U.S. Environmental Protection Agency[1973]<NA217-181>
National Diet Library
  • Subject Heading...ental aspects. Water -- Nitrogen content. Atmospheric nitrogen dioxide...

Nitrogen losses and surface run-off from landspreading of manures : proceedings of a workshop in the EEC Programme of Coordination of Research on Effluents from Livestock, held at the Agricultural Institute, Johnstown Castle Research Centre, Wexford, Ireland, May 20-22, 1980 / sponsored by the Commission of the European Communities, Directorate-General for Agriculture and Directorate-General for Research, Science and Education ; edited by J.C. Brogan. (Developments in plant and soil sciences ; v. 2)

Nitrogen losses and surface run-off from landspreading of manures : proceedings of a workshop in the EEC Programme of Coordination of Research on Effluents from Livestock, held at the Agricultural Institute, Johnstown Castle Research Centre, Wexford, Ireland, May 20-22, 1980 / sponsored by the Commission of the European Communities, Directorate-General for Agriculture and Directorate-General for Research, Science and Education ; edited by J.C. Brogan. (Developments in plant and soil sciences ; v. 2)
Paper図書
Martinus Nijhoff/Dr. W. Junk Publishers for the Commission of the European Communities1981.<RB64-294>
National Diet LibraryOther Libraries in Japan
  • Subject Heading...-- Congresses. Water -- Nitrogen content -- Congresses. Soils -- Nitro...
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