Repeated use of green-manure catch crops in organic cereal production – grain yields and nitrogen supply

Anne-Kristin Løes, Trond M. Henriksen, Ragnar Eltun, Helge Sjursen
  • Acta Agriculturae Scandinavica Section B - Soil & Plant Science, March 2011, Taylor & Francis
  • DOI: 10.1080/09064711003655509

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