Jimenez, BAustin, ACloete, EPhasha, C2007-03-282007-06-072007-03-282007-06-072006Jimenez, B, et al. 2006. Using Ecosan sludge for crop production. Water Science and Technology, vol. 54(5), pp 169-1770273-1223http://hdl.handle.net/10204/2164http://hdl.handle.net/10204/2164This paper presents the microbial risks associated with the reuse of Ecosan sludge in agriculture. Sludge from KwaZulu Natal Province in South Africa with a helminth ova content of 30 HO/g TS, faecal coliforms of 10(6) CFU/g TS, faecal streptococci of 10(6) CFU/9 TS and Salmonella spp. of 10(5) CFU/g TS was used for this purpose. Applying different rates of sludge to spinach and carrots resulted in an increase in bacterial and helminth ova count's in crops as the quantity of sludge increased. The helminth ova content in crops was always greater in leaves than in stems, with a content varying from 2 to 15 HO/g TS for spinach with sludge application rates of 0-37.5 ton/ha and from 2-8 HO/g TS for carrot crops with sludge application rates varying from 0-35 ton/ha. Nevertheless, viability in crops was 20-25%, reducing the risk of disease. Consequently, the development of an Ecosan sludge revalorisation standard is considered important. Some recommendations are made taking into account the characteristics of the sludge as well as conditions in rural areas.110473 bytesapplication/pdfenCopyright: 2006 I W A PublishingBacterial indicator organismsHealth risksHelminth ovaEcosanSludgeEngineeringArticleJimenez, B., Austin, A., Cloete, E., & Phasha, C. (2006). Using Ecosan sludge for crop production. http://hdl.handle.net/10204/2164Jimenez, B, A Austin, E Cloete, and C Phasha "Using Ecosan sludge for crop production." (2006) http://hdl.handle.net/10204/2164Jimenez B, Austin A, Cloete E, Phasha C. Using Ecosan sludge for crop production. 2006; http://hdl.handle.net/10204/2164.TY - Article AU - Jimenez, B AU - Austin, A AU - Cloete, E AU - Phasha, C AB - This paper presents the microbial risks associated with the reuse of Ecosan sludge in agriculture. Sludge from KwaZulu Natal Province in South Africa with a helminth ova content of 30 HO/g TS, faecal coliforms of 10(6) CFU/g TS, faecal streptococci of 10(6) CFU/9 TS and Salmonella spp. of 10(5) CFU/g TS was used for this purpose. Applying different rates of sludge to spinach and carrots resulted in an increase in bacterial and helminth ova count's in crops as the quantity of sludge increased. The helminth ova content in crops was always greater in leaves than in stems, with a content varying from 2 to 15 HO/g TS for spinach with sludge application rates of 0-37.5 ton/ha and from 2-8 HO/g TS for carrot crops with sludge application rates varying from 0-35 ton/ha. Nevertheless, viability in crops was 20-25%, reducing the risk of disease. Consequently, the development of an Ecosan sludge revalorisation standard is considered important. Some recommendations are made taking into account the characteristics of the sludge as well as conditions in rural areas. DA - 2006 DB - ResearchSpace DP - CSIR KW - Bacterial indicator organisms KW - Health risks KW - Helminth ova KW - Ecosan KW - Sludge KW - Engineering LK - https://researchspace.csir.co.za PY - 2006 SM - 0273-1223 T1 - Using Ecosan sludge for crop production TI - Using Ecosan sludge for crop production UR - http://hdl.handle.net/10204/2164 ER -