Iterative design and evaluation of rule-based system: methodology and case studies. A review / Philippe Debaeke ; Nathalie Munier-Jolain ; Michèle Bertrand in Agronomy for Sustainable Development, Vol.29, n°1 ([01/01/2009])

Public ISBD [article]  inAgronomy for Sustainable Development > Vol.29, n°1 [01/01/2009] . - p. 73-86 Titre : Iterative design and evaluation of rule-based system: methodology and case studies. A review Type de document : Article Auteurs : Philippe Debaeke ; Nathalie Munier-Jolain ; Michèle Bertrand Année de publication : 2009 Article en page(s) : p. 73-86 Langues : Français (fre) Catégories : [Thesagri] agriculture [Thesagri] expérimentation agricole [Thesagri] système de culture Note de contenu : The economic and regulatory context of crop production changes rapidly, but concerns about agricultural sustainability, including environmental impacts, are increasing steadily. To cope with complexity and uncertainty, innovative methodologies are required for designing, managing and evaluating prototype cropping systems. A generic approach combining iteratively design of cropping systems and evaluation of their performances is presented in this review article. It includes 5 main steps: (1) defining the set of goals and constraints for each cropping system, (2) identifying a suitable agronomic strategy, (3) formulating the consistent set of technical decision rules, (4) applying and evaluating the rule-based system, and (5) validating or refining the strategy and the rules. This methodology was applied to a range of environmental and production contexts, in a perspective of integrated crop production (ICP) prototyping. Three cropping system experiments conducted in France were brought together to demonstrate the potentialities of this system approach and discuss the methodological bottlenecks to address. The three case studies differed by the context of crop production and resource use: adaptation to limited irrigation water (Toulouse), introduction of innovative cropping systems (Versailles), and substitution of herbicides by non-chemical methods (Dijon). The consequences of the specific objectives in each case study on the experimental design and the evaluation process were discussed. Special attention was paid to the time step of the evaluation process, the duration of the improvement loops when prototyping cropping systems, the global evaluation of the systems and the evaluation of individual decision rules. [article] Iterative design and evaluation of rule-based system: methodology and case studies. A review [Article] / Philippe Debaeke ; Nathalie Munier-Jolain ; Michèle Bertrand . - 2009 . - p. 73-86. Langues : Français (fre) in Agronomy for Sustainable Development > Vol.29, n°1 [01/01/2009] . - p. 73-86 Catégories : [Thesagri] agriculture [Thesagri] expérimentation agricole [Thesagri] système de culture Note de contenu : The economic and regulatory context of crop production changes rapidly, but concerns about agricultural sustainability, including environmental impacts, are increasing steadily. To cope with complexity and uncertainty, innovative methodologies are required for designing, managing and evaluating prototype cropping systems. A generic approach combining iteratively design of cropping systems and evaluation of their performances is presented in this review article. It includes 5 main steps: (1) defining the set of goals and constraints for each cropping system, (2) identifying a suitable agronomic strategy, (3) formulating the consistent set of technical decision rules, (4) applying and evaluating the rule-based system, and (5) validating or refining the strategy and the rules. This methodology was applied to a range of environmental and production contexts, in a perspective of integrated crop production (ICP) prototyping. Three cropping system experiments conducted in France were brought together to demonstrate the potentialities of this system approach and discuss the methodological bottlenecks to address. The three case studies differed by the context of crop production and resource use: adaptation to limited irrigation water (Toulouse), introduction of innovative cropping systems (Versailles), and substitution of herbicides by non-chemical methods (Dijon). The consequences of the specific objectives in each case study on the experimental design and the evaluation process were discussed. Special attention was paid to the time step of the evaluation process, the duration of the improvement loops when prototyping cropping systems, the global evaluation of the systems and the evaluation of individual decision rules.

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