Showing 161 - 170 of 1,995
La somatotropine bovine (BST) permet d'accroitre la production des vaches laitieres dans certaines conditions, en particulier d'alimentation. Des etudes budgetaires a partir de cas types montrent que ce produit peut etre un outil d'intensification dans les elevages, malgre la contrainte des...
Persistent link: https://www.econbiz.de/10010796169
Reprise d'une communication deja signalee dans la Bibliographie No 5,1989, reference 110.
Persistent link: https://www.econbiz.de/10010796170
Face aux puissants mécanismes de marché poussant à la concentration spatiale des filières animales, les mesures environnementales peinent à réduire les excès d’azote dans les territoires à forte densité animale. La montée du prix de l’énergie et la dérèglementation des...
Persistent link: https://www.econbiz.de/10010796171
Les quotas laitiers, instaurés en 1984, seront supprimés à horizon de 2015. A partir d’un modèle de type bioéconomique, cet article discute des principales implications productives et économiques de cette évolution importante de la Politique Agricole Commune (PAC). L’hypothèse est...
Persistent link: https://www.econbiz.de/10010796172
The Green and Blue infrastructure (Trame verte et bleue ?TVB) is a new conservation policy tool based on the notions of ecological network and corridor. The TVB's implementation process establishes the connection of multi and nested decisional and action levels and needs permanent adjustment to...
Persistent link: https://www.econbiz.de/10010796173
Persistent link: https://www.econbiz.de/10010800964
We use survey data to investigate the determinants of chemical firms’ registration for the ISO 14001 standard or the Responsible Care program. We show that most determinants are different for the two systems analyzed: while firm size, previous experience with similar standards, information...
Persistent link: https://www.econbiz.de/10010800965
Microfinance institutions face a double bottom-line. They perform financial tasks by giving microcredits to their customers and support projects aiming at reducing poverty. In doing so, they have to be financially self-sufficient and to target poor people excluded from the traditional financial...
Persistent link: https://www.econbiz.de/10010800966
This article examines farmers' preferences for both cropping and management practices, which are of policy interest because of their environmental impact. We present the results of a choice experiment survey of all agricultural decision makers in the Camargue region. A latent class model...
Persistent link: https://www.econbiz.de/10010800967
The purpose of this paper is to analyze the link between the Maximum Residue Limit (MRL) of pesticides set by national regulations and the level of toxicity of the concerned chemicals. In order to perform this analysis we have first retrieved two databases: the Federal Agricultural Service of...
Persistent link: https://www.econbiz.de/10010800968