An emirati in a white dishdash enthu-siastically demonstrates the hydro-phobic sand made by his company, dime. Adding a layer of the sand under the topsoil stops water from leaching away, making it easier to grow crops in arid climates or in water-scarce lands such as those of the United Arab Emirates (uae). Agricultural entrepreneurs reckon that such innovations could allow the country to grow more of its own food.
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