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Determinants of Nitrogen Surplus at Farm Level in Swiss Agriculture

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  • Jan, Pierrick
  • Calabrese, Chiara
  • Lips, Markus

Abstract

This paper investigates the determinants of nitrogen surplus and of its two components – nitrogen intensity and nitrogen-inefficiency – at farm level in Swiss agriculture. Our analysis is based on a cross-section of 210 farms from the year 2010. The nitrogen balance of each farm is estimated according to the OECD soil-surface approach. The determinants are analysed by means of a three-equation regression model estimated using a robust SUR approach. Farm size, part-time farming, organic farming, arable cropping and farmer’s age are found to negatively affect nitrogen surplus, whilst dairy, pig and poultry farming are associated with a higher nitrogen surplus.

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  • Jan, Pierrick & Calabrese, Chiara & Lips, Markus, 2014. "Determinants of Nitrogen Surplus at Farm Level in Swiss Agriculture," 2014 International Congress, August 26-29, 2014, Ljubljana, Slovenia 182930, European Association of Agricultural Economists.
    • Handle: RePEc:ags:eaae14:182930
    DOI: 10.22004/ag.econ.182930
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    Environmental Economics and Policy;

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