Global assessment of urban and peri-urban agriculture: irrigated and rainfed croplands
نویسندگان
چکیده
منابع مشابه
Global assessment of urban and peri-urban agriculture: irrigated and rainfed croplands
The role of urban agriculture in global food security is a topic of increasing discussion. Existing research on urban and peri-urban agriculture consists largely of case studies that frequently use disparate definitions of urban and peri-urban agriculture depending on the local context and study objectives. This lack of consistency makes quantification of the extent of this practice at the glob...
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When urban areas expand without concomitant increases in wastewater treatment capacity, vast quantities of wastewater are released to surface waters with little or no treatment. Downstream of many urban areas are large areas of irrigated croplands reliant on these same surface water sources. Case studies document the widespread use of untreated wastewater in irrigated agriculture, but due to th...
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ژورنال
عنوان ژورنال: Environmental Research Letters
سال: 2014
ISSN: 1748-9326
DOI: 10.1088/1748-9326/9/11/114002