This study objective is to reconcile the agronomic and sociological approach in order to give a better answer to questions posed by the adoption and impact of projects in Ivorian agriculture. This interdisciplinary perspective based on a systemic approach has the advantage of identifying the farm as a whole. Thus, sociology through the KAP approach (Knowledge, Attitudes, Practices), qualitative and quantitative methods for under standing the complexity of social realities that shape the behaviour of farmers. Its interest is to increase the social aspects that motivate or inhibit the adoption of Good Agricultural Practices. In fact, sociology helps to guide agronomists decisions. Complementarity permits to strengthen sociological analyzes through the precision agronomy gives to results from the field observation. The collaboration permits, for example, farmers, and help to decision making in projects.