Generally water has a big ...

Generally water has a big value in hyper arid areas such as Saudi Arabia, so it is useless to cultivate Alfa Alfa and Wheat in a big areas, for wheat we tries in Egypt to cultivate it under drip irrigation system in narrow rows, and the water consumption was decreased by 50% compared with sprinkler irrigation system with good management, and the water use productivity was 1.2 kg/m3.

For Alfa Alfa, it could be cultivated nearest to the shores areas, also you could use some alternatives for animal feeding such as ponikam which is salinity tolerant crop so you can use other resources of water not only fresh underground water, or cultivate barely which is also salininty tolerant and cultivate it again for 9 weeks to feed animals in hydroponics chambers.

Dr. Hani Mehanna