Fertilization: trade-offs between manure abatement and plant productivity
AbstractIn 2005, 30% of the Flemish farms faced a manure excess, while at aggregated level still 9.7% of the emission rights were unused. This means that, despite the various possibilities, Flemish farmers do not succeed in an effective exchange of manure between farms. In current paper is shown how inorganic fertilizer use influences the use and exchange of organic nitrogen. Because of the mutual interdependency between organic and inorganic nitrogen emission rights (or quota), inorganic nitrogen use limits the emission rights for organic nitrogen. Utilisation of these emission rights are analysed as a trade-offs choice between plant productivity (use of inorganic nitrogen) and manure disposal, as the major abatement alternative of manure production. Farmers still prefer inorganic fertilizers because of their effect on plant productivity and income. However, by changing the quota rent of organic nitrogen, the fertilization behaviour can be influenced. A higher quota rent of organic nitrogen would increase the use of manure. This trade-off behaviour seriously influences effectiveness of policies. When the objective is to lower the total nitrogen use, a mere reduction of organic quota can partially be counteracted by a higher inorganic nitrogen use. When the objective is to better spread the manure, increasing the quota rent for deficit farms will increase their acceptance of manure.
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Bibliographic InfoPaper provided by European Association of Agricultural Economists in its series 2008 International Congress, August 26-29, 2008, Ghent, Belgium with number 43642.
Date of creation: 2008
Date of revision:
manure abatement; nutrient emission rights; Tobit model; Crop Production/Industries;
This paper has been announced in the following NEP Reports:
- NEP-ALL-2008-11-25 (All new papers)
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- Van der Straeten, Bart & Buysse, Jeroen & Nolte, Stephan & Marchand, Fleur L. & Lauwers, Ludwig H. & Claeys, Dakerlia & Van Huylenbroeck, Guido, 2008. "A Farm Level Analysis Of The Relation Between Cap Reforms And Local Environmental Legislations: How And In Which Extent Flemish Dairy Farmers Can Fill Up Extra Milk Quota?," 109th Seminar, November 20-21, 2008, Viterbo, Italy 44846, European Association of Agricultural Economists.
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