SyNE: An improved indicator to assess nitrogen efficiency of farming systems

•System nitrogen efficiency (SyNE) is a new N indicator at the farm scale.•SyNE was tested on 38 mixed dairy-crop farms in Brittany, France.•Crop output and change in soil N stock are the most influential variables.•Input production and transport contribute importantly to N losses.•SyNE can help des...

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Veröffentlicht in:	Agricultural systems 2014-05, Vol.127, p.41-52
Hauptverfasser:	Godinot, O., Carof, M., Vertès, F., Leterme, P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Farming system Indicator Life cycle analysis Life Sciences Nitrogen efficiency Soil nitrogen
Online-Zugang:	Volltext
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