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Assessment of the Nitrogen Nutrition Index (NNI) by the nitrogen concentration of the upper part of the sward.

Bibliographic reference Deprez, Bruno ; Lambert, Richard ; Peeters, Alain. Assessment of the Nitrogen Nutrition Index (NNI) by the nitrogen concentration of the upper part of the sward.. In: XX International Grassland Congress: Offered Papers, , p. 878 (2005)
Permanent URL http://hdl.handle.net/2078.1/72338