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Poster presentations

Experience with a nitrogen‐index expert system: A powerful tool in nitrogen recommendation

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Pages 1223-1238 | Published online: 11 Nov 2008

References

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  • Vandendriessche , H. , Geypens , M. , Bries , J. and Hendrickx , G. 1991 . Fumure azotee des grandes cultures et environnement . Revue de l'Agriculture , 45–2 : 405 – 414 . 1992
  • Wehrmann , J. and Scharpf , H. C. 1977 . Stickstoffdungung: Nmin‐Methode hat sich bewahrt , Vol. 92 , 1058 Frankfurt/M : DLG Mitteilungen .

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