The Vietnamese double-vault composting latrine: Fertilizer source or health risk?
Human excreta are rich in plant nutrients, so many farmers in Vietnam use them to fertilize their crops and in raising fish. But they also contain dangerous pathogens: bacteria, viruses, protozoa, and the eggs of intestinal parasites. Exposure can pose a health risk to farmers, their families, as well as consumers.Urine is generally free of pathogens, so can be diluted and used as fertilizer directly. But the faeces have to be composted to kill the pathogens. Around one-fifth of households in Vietnam use a double-vault latrine that collects the faeces and allows them to decompose before spreading the resulting compost on their gardens and fields.What are the benefits and risks of doing this? This issue of evidence for policy draws on research in Nghe An, Ha Nam, and Nam Dinh in northern Vietnam to answer this question.
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NCCR North-South
2013-07-15
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Online Access: | https://hdl.handle.net/10568/34006 http://www.nccr-north-south.unibe.ch/publications/Infosystem/On-line%20Dokumente/Upload/Regional_Policy_Brief_4_SEA_Composting_Latrine.pdf |
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dig-cgspace-10568-340062023-02-15T10:27:17Z The Vietnamese double-vault composting latrine: Fertilizer source or health risk? Phuc Pham Duc Hung Nguyen-Viet Vu Van Tu Zurbrugg, C. Zinsstag, Jakob health Human excreta are rich in plant nutrients, so many farmers in Vietnam use them to fertilize their crops and in raising fish. But they also contain dangerous pathogens: bacteria, viruses, protozoa, and the eggs of intestinal parasites. Exposure can pose a health risk to farmers, their families, as well as consumers.Urine is generally free of pathogens, so can be diluted and used as fertilizer directly. But the faeces have to be composted to kill the pathogens. Around one-fifth of households in Vietnam use a double-vault latrine that collects the faeces and allows them to decompose before spreading the resulting compost on their gardens and fields.What are the benefits and risks of doing this? This issue of evidence for policy draws on research in Nghe An, Ha Nam, and Nam Dinh in northern Vietnam to answer this question. 2013-07-15 2013-11-08T10:11:32Z 2013-11-08T10:11:32Z Brief Pham Duc Phuc, Hung Nguyen-Viet, Vu Van Tu, Zurbrugg, C. and Zinsstag J. 2013. The Vietnamese double-vault composting latrine: Fertilizer source or health risk? Evidence for Policy Series, Regional edition Southeast Asia 4. Pathumthani, Thailand: NCCR North-South. https://hdl.handle.net/10568/34006 http://www.nccr-north-south.unibe.ch/publications/Infosystem/On-line%20Dokumente/Upload/Regional_Policy_Brief_4_SEA_Composting_Latrine.pdf en Open Access NCCR North-South |
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health health Phuc Pham Duc Hung Nguyen-Viet Vu Van Tu Zurbrugg, C. Zinsstag, Jakob The Vietnamese double-vault composting latrine: Fertilizer source or health risk? |
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Human excreta are rich in plant nutrients, so many farmers in Vietnam use them to fertilize their crops and in raising fish. But they also contain dangerous pathogens: bacteria, viruses, protozoa, and the eggs of intestinal parasites. Exposure can pose a health risk to farmers, their families, as well as consumers.Urine is generally free of pathogens, so can be diluted and used as fertilizer directly. But the faeces have to be composted to kill the pathogens. Around one-fifth of households in Vietnam use a double-vault latrine that collects the faeces and allows them to decompose before spreading the resulting compost on their gardens and fields.What are the benefits and risks of doing this? This issue of evidence for policy draws on research in Nghe An, Ha Nam, and Nam Dinh in northern Vietnam to answer this question. |
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health |
author |
Phuc Pham Duc Hung Nguyen-Viet Vu Van Tu Zurbrugg, C. Zinsstag, Jakob |
author_facet |
Phuc Pham Duc Hung Nguyen-Viet Vu Van Tu Zurbrugg, C. Zinsstag, Jakob |
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Phuc Pham Duc |
title |
The Vietnamese double-vault composting latrine: Fertilizer source or health risk? |
title_short |
The Vietnamese double-vault composting latrine: Fertilizer source or health risk? |
title_full |
The Vietnamese double-vault composting latrine: Fertilizer source or health risk? |
title_fullStr |
The Vietnamese double-vault composting latrine: Fertilizer source or health risk? |
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The Vietnamese double-vault composting latrine: Fertilizer source or health risk? |
title_sort |
vietnamese double-vault composting latrine: fertilizer source or health risk? |
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NCCR North-South |
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2013-07-15 |
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https://hdl.handle.net/10568/34006 http://www.nccr-north-south.unibe.ch/publications/Infosystem/On-line%20Dokumente/Upload/Regional_Policy_Brief_4_SEA_Composting_Latrine.pdf |
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