Amidst the sand dunes of the Algerian desert, the green of barley — or any other crop — seems an unlikely sight. Yet, in five camps hosting Sahrawi refugees near Tindouf, in the South West of the country, barley fodder is sprouting in miniature fields.
The secret behind these tray-sized oases is hydroponics, a technique that allows farmers to grow crops using up to 90% less water than traditional agriculture. With this method, plants do not need soil. They get the nutrients they need from special solutions, and develop up to twice as fast as in traditional farming. Read More via Medium.