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Grow more food with less water? There's an app for that

Today some 2.8 billion people face insufficient supplies of fresh water, and according to the United Nations that number is set to increase to half the world’s population by 2030. The UN Food and Agriculture Organization (FAO) reports that 40% of the world’s food depends on irrigation, which accounts for almost 70% of fresh water used.

It makes sense then that farmers are turning to new and old technology in an attempt to manage their water.

Click here to read the complete article at www.theguardian.com.