Using of saline water in agriculture Increasing demands for irrigation water while water resources limited will ultimately lead to reuse and recycle the available water resources. Field drainage, industrial and domestic waste waters are reused and recycled for irrigation in many parts of the world. The water scarcity, has forced farmers to extensively explore the possibility of including saline water in the irrigation regimes of agricultural crops. Strategies of using waters of different salinity levels include: network dilution, in which different quality waters are blended in the supply network; soil dilution, in which altering the use of good and poor quality water takes place according to the availability and crop needs; and switching the use of water qualities during the growing season according to the critical stage of the growth. The choice among these strategies depends on many factors such as water salinity levels, the relative tolerance of the various crops at different stages of growth, soil properties and the cost-benefit analysis of each strategy