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1

Optimizing Nitrogen Management in Food and Energy Productions, and Environmental Change || Nitrogen Use in the United States from 1961-2000 and Potential Future Trends

Robert W. Howarth, Elizabeth W. Boyer, Wendy J. Pabich and James N. Galloway

Journal:

AMBIO: A Journal of the Human Environment

Year:

2002

Language:

english

File:

PDF, 1.86 MB

english, 2002

2

Nitrogen Cycling in the Americas: Natural and Anthropogenic Influences and Controls || Human Activities Changing the Nitrogen Cycle in Brazil

Solange Filoso, Luiz Antonio Martinelli, Robert W. Howarth, Elizabeth W. Boyer and Frank Dentener

Journal:

Biogeochemistry

Year:

2006

Language:

english

File:

PDF, 3.81 MB

english, 2006

3

The Nitrogen Cycle at Regional to Global Scales || Foreword

Elizabeth W. Boyer and Robert W. Howarth

Journal:

Biogeochemistry

Year:

2002

Language:

english

File:

PDF, 307 KB

english, 2002

4

The Nitrogen Cycle at Regional to Global Scales || Anthropogenic Nitrogen Sources and Relationships to Riverine Nitrogen Export in the Northeastern U.S.A

Elizabeth W. Boyer, Christine L. Goodale, Norbert A. Jaworski and Robert W. Howarth

Journal:

Biogeochemistry

Year:

2002

Language:

english

File:

PDF, 2.24 MB

english, 2002

5

The Nitrogen Cycle at Regional to Global Scales || Nitrogen Retention in Rivers: Model Development and Application to Watersheds in the Northeastern U.S.A

Sybil P. Seitzinger, Renée V. Styles, Elizabeth W. Boyer, Richard B. Alexander, Gilles Billen, Robert W. Howarth, Bernhard Mayer and Nico Van Breemen

Journal:

Biogeochemistry

Year:

2002

Language:

english

File:

PDF, 2.89 MB

english, 2002