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Monitoring screen of the computer piloting the Phenoarch platform. © INRA, SLAGMULDER Christian

Modelling and agrosystems

DEXiPM, designing and evaluating innovative crop strategies

DEXiPM is a dynamic, multicriteria, multiscale, and multi-actor tool for planning and evaluating crop systems. DEXiPM has two major strengths; it allows considerable creativity when designing crop systems and allows criteria to be weighted according to individual actor priorities.

By Pascale Mollier - Catherine Foucaud-Scheunemann, translated by Daniel McKinnon
Updated on 09/10/2013
Published on 05/30/2013

An inventive model

DEXiPM was developed to aid in designing crop systems that depart from what currently exists and that are not bound by economic feasibility criteria. While such systems may not necessarily be realistic at present, they may become sensible in the near or distant future if economic, social, or technical conditions change.

Envisaging radical design shifts is necessary because national and EU pressures placed on agriculture require profound changes to existing crop systems. It will not be possible, for example, to reach France’s Ecophyto 2018 plan objective to reduce agricultural input use by 50% without introducing new crop rotations, or even new crop plants, thereby also requiring the development of new distribution channels.

Evaluating from different points of view

DEXiPM can develop the most comprehensive assessment possible of a system’s sustainability using economic, social, and environmental criteria – the three pillars of sustainability. The model is unique because it allows criteria to be weighted according to the individual priorities of each actor. In this way, a farmer, a distributor, an NGO, or a researcher can make conscious choices and assess the consequences in a transparent manner. The model can thus be used as a basis for discussion among these stakeholders.

DEXiPM uses qualitative assessment criteria. Consequently, even when data are lacking, or limited to the realm of expert opinion, it is still able to create results.

Scientific contact(s):

Associated Division(s):
Plant Health and Environment
Associated Centre(s):


Pelzer, E. et al. 2012. Assessing innovative cropping systems with DEXiPM, a qualitative multi-criteria assessment tool derived from DEXi. Ecological indicators, 18, 171-182. doi:10.1016/j.ecolind.2011.11.019.

DEXiPM is registered at the French Agency for the Protection of Programmes (Paris) under the number IDDN.F.R.001.490014.000.R.P.2009.000.30100. It is being used in several European research projects (ECOGEN, SIGMEA, ENDURE, PURE and brings together a number of existing tools and models (MASC, Indigo, Salca). The name, DEXiPM, is a contraction of “DEXi”, a computer program for managing hierarchical decision models, and “IPM” (integrated pest management).