Implementation of the Nitrates Directive. analysis of the assessment's methodology for the control of the soil nitrate nitrogen residue in the farm's fields of Wallonia

Vandenberghe, C.;Palm, R.;Lambert, R.;De Toffoli, Marc;Marcoen, J.M.
(2012) Biotechnology, Agronomy and Society and Environment — Vol. 16, n° 1, p. 25-32 (2012)

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Authors
  • Vandenberghe, C.Gbx-Unité du sol
    Author
  • Palm, R.Gbx-Unité de statisitique
    Author
  • Lambert, R.UCLouvain
    Author
  • De Toffoli, MarcUCLouvain
    Author
  • Marcoen, J.M.Gbx-Unité du sol
    Author
Abstract
Within the Walloon Action Programme, transposition of the Nitrates Directive, the Administration organizes each year a control of the soil nitrate nitrogen residues in about 900 parcels located in vulnerable zone in order to verify if the practices of nitrogen spreading by the farmers are in accordance with the Walloon Action Programme. The current method is to yearly spot "suspects" by a control in three parcels in about 300 farms and to follow "suspects" by an observation programme wich leads after maximum six years to a penalty or to the end of this programme. The present statistical study means to assess the public control's methodology: what is the probability to penalize a "good" farmer, to forget a "bad" farmer? This study is based on real data and on a theoretical approach. Both conclusions indicate that the official methodology is sufficiently appropriate.
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Vandenberghe, C., Palm, R., Lambert, R., De Toffoli, M., & Marcoen, J. M. (2012). Implementation of the Nitrates Directive. analysis of the assessment’s methodology for the control of the soil nitrate nitrogen residue in the farm’s fields of Wallonia. Biotechnology, Agronomy and Society and Environment, 16(1), 25-32. https://hdl.handle.net/2078.5/76187 (Original work published 2012)