"The dRHS irrigation system consists of a network of sub-surface pipes, which can be filled with almost any water whether pure, brackish, salted or polluted. The system can even take most industrial waste-water and use it without the need for a purification process. The pipes are made from a plastic that retains virtually all contaminants while letting clean water through to the plants' roots."
So far, it's been tested and seems to work. Now they're going to test it in different parts of the world, including the Middle East, where they are going to use water more saline than saltwater.
If it does work, this is the best news ever. Any idea how much water California imports from out of state, just to grow the rice we import to Thailand? It's a lot. Now I can relax and not worry about my kids fighting in Water War IV: Beyond Thunderdome.
From Wired.co.uk
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