1997. Some geomedical consequences of nitrogen circulation processes.

• Preface. Side 7.
  
• Jul Låg: General features connected to nitrogen circulation and health problems. Side 9.
  
• Marina Azzaroli Bleken Food consumption and nitrogen losses from agriculture. Side 19.
  
• Tore Sivertsen: Toxic effects in man and animals of nitrate, nitrite and other low molecular weight compounds involved in the nitrogen cycle. Side 33.
  
• Halvor Holm: Protein requirementes, intakes and contribution to the nitrogen flow in Norway. Side 43.
  
• Gerd Holmboe-Ottesen: Consequences of maltnutrition in childhood: Does protein play a role? Side 55.
  
• Ola Kaarstad: Producitons and use of nitrogen fertilizers. Side 65.
  
• A. R. Selmer-Olsen: Methods for determination of plant available nitrogen in soil. Side 77.
  
• Ole Martin Eklo, Enrique Barriuso and Sabine Houot: Mobility and degradations of atrazine in soil columns. Side 89.
  
• Tamás Németh: Nitrogen circulation in Hungarian soils. Side 103.
  
• A. Viitak, H. Hødrejärv, R. Silla and L. Reintam: Heavy and Biometals in Estonia. Side 115.
  
• Md. Abdul Kashem and Bal Ram Singh: Effect of N-nutrition on rice production, environment and human health in Bangladesh. Side 113.
  
• Steinar Tveitnes: Animal manure as a source of nitrogen in soils. Side 127.
  
• Bjørn Bølviken: Nitrogen in minerals and rocks. Side 143.
  
• Gunnar Abrahamsen and Arne O. Stuanes: Retention and leaching of N in Norwegian coniferous forests. Side 157.
  
• Olav M. Skulberg and Jozsef Kotai: Waste-water nitrogen: Growth promoter and pollution factor. Side 165.
  
• Olav M. Skulberg: Dinitrogen fixation ny blue-greens in boreal regions. Side 191
  
• R. P. Narwal and A. P. Gupta, R. S. Antil and B. R. Singh: Nitrogen use in agriculture and its impact on animal and human health in India. Side 213
  
• Francisco Franco Feitosa Teles: Chronic Intoxication by Cassava HCN in Africa and Latin America. Side. 235
  
• J. I. B. Sitaula, B. K. Sitaula and L. R. Bakken: Nitrous oxide fluxes in agricultural soil mineral and N₂O emission. Side 249.
  
• List of participants. Side 261.