2003
DOI: 10.1051/agro:2003051
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Management of grazing systems: from decision and biophysical models to principles for action

Abstract: Changes in forage systems taking into account new environmental issues often lead to a reappraisal of the agricultural practices by farmers. These changes also raise new issues about the relevancy of traditional practices of grassland management. We therefore propose an analytical scheme to describe a production plan compatible with land resources (sown or native grasslands). To that end, we present a conceptual model that can be used to design a set of grazing management practices suited to a diversity of spe… Show more

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Cited by 25 publications
(13 citation statements)
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References 32 publications
(41 reference statements)
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“…To that purpose a production system jointly viewed between a biophysical and an organization system was used. (Duru and Hubert, 2003).…”
Section: Methodsmentioning
confidence: 99%
“…To that purpose a production system jointly viewed between a biophysical and an organization system was used. (Duru and Hubert, 2003).…”
Section: Methodsmentioning
confidence: 99%
“…Cette approche consiste à passer d'une vision d'un système fourrager : -centrée sur la production d'herbe ou de fourrages à une vision élargie à leur utilisation par des herbivores, c'est-à-dire à la fabrication d'une ressource (Duru et Hubert, 2003) ; -limitée à l'étude des process de fabrication d'une ressource alimentaire à la prise en compte des facteurs régissant l'allocation des ressources productives ; -produisant des aliments à un système assurant aussi la maîtrise et le renouvellement des caractéris-tiques des végétations sur le temps long (Landais et Deffontaines, 1988).…”
Section: Introductionunclassified
“…Pour les systèmes d'élevage, l'alimentation des herbivores, en quasi-totalité autoproduite, consiste à choisir le niveau et le degré de tension entre deux flux, l'un de production d'une ressource, l'autre de sa consommation (Duru et Hubert, 2003). Pour les fourrages conservés, le délai entre la production et l'utilisation peut atteindre plusieurs mois.…”
Section: Introductionunclassified
“…The targets of the European Commission's Nitrate Directive (Anonymous, 1991), the Dutch Mineral Accounting System (MINAS) (Van Den Brandt and Smit, 1997), as well as calculations on nitrate leaching (Scholefield et al, 1991;Vertè s et al, 1997;, are related to annual amounts of applied and unrecovered N (and phosphorus) at a tactical management level. These targets have to be translated subsequently into day-to-day operational management, as stated by Duru and Hubert (2003). However, there are currently few operational guidelines available (Scholefield and Titchen, 1995;Di and Cameron, 2002;Kowalenko and Bittman, 2002).…”
Section: Introductionmentioning
confidence: 99%