- Huganote Bernard Palissy pleas for the use of fertilizers in agriculture to stimulate plant growth.*
- Philosophical Discourse of Earth. 1676. Evelyn publishes about rainwater being "impregnated with Celestial Nitre"*
- Opera Omnia. 1716. London. B. Ramazzini found traces of nitric acid in rainwater*
- Andreas Sigmund Marggraf systematically analyzes rainwater samples*
- Rutherford, Daniel. 1772. 'Azote': Air without Life.*
- Joseph Priestly describes experiments where he demonstrates the existence of the gases nitrogen oxide, hydrochloric acid and ammonia in air.*
- C.L. Berthollet discovered that ammonia exists of nitrogen and hydrogen*
- Smil, Vaclav. 2001. Enriching the Earth: Fritz Haber, Carl Bosch and the Transformation of World Food Production. The MIT Press; Cambridge, MA
- DeSaussure shows that leaves can be a source of ammonia when rinsed with water.*
- H. Davy reports the production of ammonia and nitric acid by electrolysis.*
- D'bereiner was the first to produce ammonia from the elements hydrogen and nitrogen.*
- Justus von Liebig founds his famous mineral theory.*
- http://www.epa.gov/lawsregs/laws/cwa.html
- http://www.colby.edu/sts/cleanair/cleanairlegisl.htm
- http://water.usgs.gov/owq/cleanwater/action/overview.html
- http://www.nrcs.usda.gov/programs/farmbill/2002/
- Smith, Mark E. et al. 2000. Curbing Nitrogen Runoff: Effects on Production and Trade. Agriculture Outlook. May; 19-21.
- http://www.epa.gov/clearskies/
- http://www.epa.gov/msbasin/legis98.html
- http://www.epa.gov/epahome/laws.htm
- http://www.epa.gov/osp/stplan.htm
- http://www.epa.gov/region5/defs/html/ppa.htm
- Sliggers, J. 2004. The need for more integrated policy for air quality, acidification and climate change: reactive nitrogen links them all. Environmental Science and Policy. Vol. 7 no.1.
- http://europa.eu.int/comm/environment/water/waterurbanwaste/index_en.html
- http://europa.eu.int/comm/environment/air/cafe/
- http://www.epa.gov/air/nsr-review/bkgrnd/facts.htm
- Adolf Frank and Nikodem Caro produce ammonia by the cyanide method successfully*
* contributions from Jan Willem Erisman |
