Abstract
This study deals with assessing the impact of treated wastewater use in agriculture irrigation in Amranarea, Yemen. Chemical and biological wastewater and soil samples in accordance with the local andinternational standards were analyzed and evaluated. Analysis of the effluent in the facultative pondshowed that the fecal Coliforms were present at >2,400 cfu/100ml. Nematode Ova were absent, butpathogenic protozoa (Entamoeba and Giardia) were found in significant numbers. It was revealed fromthis study that treated wastewater in the study area was moderately saline (2.4 ds/m) and contains highsodium bicarbonate, and high contents of nitrogen and phosphate. The soils analytical data indicated thatthe soils are highly saline (SAR>15). This may be due to the over quantity of wastewater used forirrigation, which exceeds the irrigation requirements (40-100%). The quality of the effluent is important,not only for compliance with the regulations to protect farmers irrigating with effluent and consumers ofthe crops, but also to protect local inhabitants and other users of the valley from incidental contact. Keywords: Agriculture, Treated Wastewater, Irrigation,
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