The extensive use of pesticides currently constitutes a major environmentaland public health issue (Inserm, 2013; Berardi Tadié and Bonvarlet, 2019).several indicators have been used to evaluate pesticide pressure: TFI,NODU and QSA. Other generic, simple and flexible indicators are used inthis context: IRSA and IRTE (Mghirbi et al., 2015) to assess the potential riskof phytosanitary products and their impacts on human health and non-target organisms. The objective of this study is to analyse plant protectionpractices according to cropping and production systems(conventional/integrated and organic) to assess and manage the riskassociated to diffuse phytosanitary pollution at field level located in thesouthwest of France.