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Phosphorus (P) is a critical, geographically concentrated, nonrenewable resource necessary to support global food production. In excess (e.g., due to runoff or wastewater discharges), P is also a primary cause of eutrophication. To reconcile the simultaneous shortage and overabundance of P, lost ...
Underground taming of floods for irrigation (UTFI) is a new approach for mitigating flood impacts through targeted floodwater storage in depleted aquifers for irrigating crops in the dry season. UTFI not only fosters the much desired conjunctive use and management of water resources but also prov...
Australia is a major food exporting country. Recent droughts reduced dryland farming production and the volume of water allocated to irrigated agriculture, with a resulting decline in aggregate agricultural production and exports. This paper analyses the possible impact of increased water scarcit...
People across Africa are urbanizing and cities act as magnets that attract poor migrants from rural areas, looking for employment and better life. During the last few decades, the informal sector has been growing fast in Addis Ababa, Ethiopia due to the influx of many young workers into the secto...
This study examined the links between food security and HIV/AIDS in urban Ethiopia taking Dire Dawa city administration as a case example. The household level primary data were collected from selected kebeles - the lowest administrative unit in Ethiopia, - using a two stage sampling technique. In...
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