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Human Urine: can it be applied as fertilizer in agricultural systems?
Högskolan Kristianstad, Fakulteten för naturvetenskap.
2018 (Engelska)Självständigt arbete på avancerad nivå (magisterexamen), 40 poäng / 60 hpStudentuppsats (Examensarbete)
Abstract [en]

In cities today, vast amounts of nutrients are being wasted. Improvement in nutrient management within agriculture can contribute to a more sustainable society. Reusing nutrients in agriculture could aid in creating a more circular system, where organic fertilizers can be used instead of chemical fertilizers. Urine is a liquid which has a high nutrient content. According to the Swedish environmental protection agency, human urine can replace mineral fertilizers, by using methods such as source separation, where urine is divided from faeces. This is a cheap, effective and sustainable fertilizer management system that can be easily achieved. In this study, urine fertilizers were compared with ecological and conventional fertilizers (NPK and cow manure). The study examined the effect of different urine fertilizers compared with organic and inorganic ones on plant growth, nutrient content, pH value and microbial growth. The plant growth experiment was carried out in the greenhouse facilities in Alnarp, Sweden. The results from the experiment show that cow manure has a better outcome when it comes to plant growth, but Aurin, one of the urine fertilizers, had the highest uptake of nitrate. Non-diluted urine had a stable result in all analyses. According to this study human urine is a fertilizer which can be used in crop cultivation systems, and can deliver good agricultural results.

Ort, förlag, år, upplaga, sidor
2018. , s. 34
Nyckelord [en]
Ecosan, source separation, non-diluted urine, aurin, urine powder, organic fertilizers
Nationell ämneskategori
Biologiska vetenskaper Annan lantbruksvetenskap
Identifikatorer
URN: urn:nbn:se:hkr:diva-18029OAI: oai:DiVA.org:hkr-18029DiVA, id: diva2:1204657
Utbildningsprogram
Magisterprogram i vattenvård
Handledare
Examinatorer
Tillgänglig från: 2018-05-14 Skapad: 2018-05-08 Senast uppdaterad: 2018-05-14Bibliografiskt granskad

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Fakulteten för naturvetenskap
Biologiska vetenskaperAnnan lantbruksvetenskap

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