Growing potatoes in the air: agricultural innovation in Rwanda

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A Rwandan entrepreneur is pioneering the use of innovative farming technology that, he believes, is set to play a major role in feeding the growing population in his country, amid increasing pressure on arable land.

No soil, barely any water, a controlled environment: for Apollinaire Karegeya, the advantages of aeroponics are clear. This is a sustainable technique for growing vegetables, in which the roots are suspended in the air, and sprayed with a water and nutrient solution.