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Effects of Market and Regulatory Changes on Livestock Manure Management in Southern Alberta

Author

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  • Elwin G. Smith
  • Gordon Card
  • Douglas L. Young

Abstract

A spatial model of intensive livestock production for a region in southern Alberta was used to evaluate the impact of economic factors and regulation on regional returns and optimal manure management. Under current conditions, profit maximizing application of manure met nitrogen requirements but phosphorus application was about three times the crop requirements. Higher commercial nitrogen prices did not significantly alter the optimal manure application, but reduced regional returns. With a phosphorus limit regulation, it was less costly to compost about half of the beef cattle manure to remove it from the region than to truck manure long distances to meet the regulation. A $0.91/t reduction in the costs of composting, or a subsidy to reduce costs, was required to meet the phosphorus regulation. The net costs of the subsidy were slightly less than that ofphosphorus regulation. Future research needs to explore the economic market and limitations of composting for manure management before any composting policy is initiated. Nous avons utilisé un modèle spatial de la production animale intensive dans une région du sud de l'Alberta pour évaluer l'impact de la réglementation et de facteurs économiques sur les rendements économiques régionaux et la gestion optimale du fumier. Dans les conditions actuelles, l'épandage de fumier effectué en vue de maximiser les profits a respecté les exigences en azote, tandis que la quantité de phosphore était trois fois supérieure aux besoins des cultures. Le prix élevé de l'azote commercial n'a pas modifié de manière significative l'épandage optimal de fumier, mais a diminué les rendements économiques dans la région. En raison de la réglementation sur le taux d'application limite du phosphore, il a été moins coûteux de composter environ la moitié du fumier de bovins pour l'éliminer de la région que de le transporter par camion sur de longues distances. Pour respecter la réglementation sur le phosphore, il faudrait diminuer le coût du compostage de 0,91 $/tonne ou offrir une subvention équivalente pour diminuer les coûts. Les coûts nets de la subvention étaient légèrement inférieurs à ceux de la réglementation sur le phosphore. Des recherches ultérieures devront être effectuées pour explorer le marchééconomique et les limites du compostage dans le cadre de la gestion du fumier avant d'élaborer toute politique sur le compostage.

Suggested Citation

  • Elwin G. Smith & Gordon Card & Douglas L. Young, 2006. "Effects of Market and Regulatory Changes on Livestock Manure Management in Southern Alberta," Canadian Journal of Agricultural Economics/Revue canadienne d'agroeconomie, Canadian Agricultural Economics Society/Societe canadienne d'agroeconomie, vol. 54(2), pages 199-213, June.
  • Handle: RePEc:bla:canjag:v:54:y:2006:i:2:p:199-213
    DOI: 10.1111/j.1744-7976.2006.00045.x
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    Cited by:

    1. Kenneth A. Baerenklau & Nermin Nergis & Kurt A. Schwabe, 2008. "Effects of Nutrient Restrictions on Confined Animal Facilities: Insights from a Structural‐Dynamic Model," Canadian Journal of Agricultural Economics/Revue canadienne d'agroeconomie, Canadian Agricultural Economics Society/Societe canadienne d'agroeconomie, vol. 56(2), pages 219-241, June.

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