Properties of soils in the Swedish long-term fertility experiments: VII. Changes in topsoil and upper subsoil at Örja and Fors after 50 years of nitrogen fertilization and manure application

Holger Kirchmann, Martina Schön, Gunnar Börjesson, Karin Hamnér, Thomas Kätterer
  • Acta Agriculturae Scandinavica Section B - Soil & Plant Science, January 2013, Taylor & Francis
  • DOI: 10.1080/09064710.2012.711352
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