Reuse of treated municipal wastewater as a sustainable approach to irrigation and fertirrigation in Mediterranean countries: A a case study.

Abstract

Results of field experiments of wastewater reuse are presented. Two different crops (fennel and lettuce) were grown in succession on sandy loam soil and drip irrigated with three water sources: the effluent of the local full scale municipal wastewater treatment plant (WWTP), the effluent of a pilot scale non-conventional treatment technology, and a conventional source (well water). In order to evaluate the effects of higher ammonia and nitrate concentrations on crop yields and quality, the pilot plant was operated for partial nitrogen removal (mainly nitrification). Results showed that the pilot plant had better removal performance in terms of suspended solids and faecal indicators with respect to the full scale WWTP. As for the agronomic results, crop yields were significantly higher in plots irrigated with treated wastewater.


Tutti gli autori

  • Pollice A.; Vergine P.; Lonigro A.; Salerno C.; Berardi G.

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Anno di pubblicazione

2015

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