Add to ORKG[Departement_IRSTEA]Eaux [TR1_IRSTEA]GEUSI [Encadrant_IRSTEA]Molle, B.Recycling a waste water and reusing it for agriculture purposes is a practice seen more and more often around the world. The re-use of treated waste water in agriculture is in fact practised in about fifty countries, on a surface corresponding to 10 % of all irrigated lands. It allows us to limit the problems of water shortages,reduce the pollution of water resources, and secure the agricultural outputs. Contrary to Spain or to Mexico, where a strong proportion of treated waste water is use to agricultural irrigation, a certain delay in this domain exists in France. A bill to enforce this practice was published in September 2010, resulting in a legal framework that should...