As irrigation is bound to rely increasingly on low quality water, the project seeks to adapt protected horticultural practice to this new condition. The idea is to exploit the advanced technologies involved in protected cultivation to improve salt tolerance of high valued crops and to diminish environmental risks associated with the use of marginal water. The project will compile information on crop salinity tolerance and analyse the data in the context valid in Mediterranean protected cultivation. The experimental research consists of crop response measurements to fustigation and salinity supplemented by studies of specific effects obtained under protected cultivation. The expected results should improve the management of multiple water resources and determine the feasibility of water collection and treatment schemes.