| http://www.w3.org/ns/prov#value | - ???Irrigating with wastewater isn???t a rare practice limited to a few of the poorest countries,??? said Liqa Raschid-Sally, a researcher at the institute. ???It???s a widespread phenomenon, occurring on 20 million hectares (50 million acres) across the developing world, especially in Asian countries, like China, India and Vietnam, but also around nearly every city of sub-Saharan Africa and in man
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