In the Mediterranean countries, there is an urgent need to develop novel methodologies to build trust among the different water users in terms of economic and environmental advantages, and involve all stakeholders through raising awareness of the benefits of treated wastewater reuse practices. The general objective of this project is to set the scene for a better understanding of determinants, dynamics and mechanisms of efficient water and nutrient capture, partitioning and use, and relate these basic processes to overall system resource use efficiency in plants and crops. More