Publikasjoner
NIBIOs ansatte publiserer flere hundre vitenskapelige artikler og forskningsrapporter hvert år. Her finner du referanser og lenker til publikasjoner og andre forsknings- og formidlingsaktiviteter. Samlingen oppdateres løpende med både nytt og historisk materiale. For mer informasjon om NIBIOs publikasjoner, besøk NIBIOs bibliotek.
2024
Forfattere
Maurine Oluchukwu OkolieSammendrag
This study examines the potential of large-scale urine recycling as a sustainable solution to address sanitation challenges, enhance agricultural productivity, and improve food security in Bahir-Dar, Ethiopia. The approach involves establishing urine recycling systems (URS) that collect urine from onsite sanitation facilities and convert it to dry urine-based fertilizer (UBF) near collection sites for local farmers. Using a combination of primary and secondary data sources, this study performs a cost-benefit analysis (CBA) to evaluate the financial viability of implementing URS in Bahir Dar, focusing on direct monetary costs and benefits. The assessment includes metrics such as net present value (NPV), internal rate of return (IRR), benefit-cost ratio (BCR), and payback period (PBP) and is supplemented by sensitivity and scenario analyses to account for varying assumptions. The findings reveal that, under the set assumptions of this study, implementing urine recycling systems is not financially viable in Bahir Dar. The financial feasibility is highly dependent on the capacity of the urine recycling technology and the fees charged for using the toilet facilities. Higher dehydration capacity significantly improves financial outcomes, as does charging users for each use of the facilities. Charging higher fees per use enhances the economic viability of the system. Based on these findings, the study recommends further research on integrating indirect benefits, which include social and environmental benefits. This will provide a comprehensive understanding of the value of the urine recycling system.
Forfattere
Wiktoria Kaczmarek-DerdaSammendrag
Det er ikke registrert sammendrag
Forfattere
Pia Heltoft ThomsenSammendrag
Det er ikke registrert sammendrag
Forfattere
Wiktoria Kaczmarek-DerdaSammendrag
Det er ikke registrert sammendrag
Forfattere
Pia Heltoft ThomsenSammendrag
Det er ikke registrert sammendrag
Forfattere
Wiktoria Kaczmarek-DerdaSammendrag
Det er ikke registrert sammendrag
Sammendrag
Det er ikke registrert sammendrag
Sammendrag
Håndtering av avfall med høyt innhold av plantevernmidler krever god oppfølging for å sikre en tilstrekkelig nedbrytning av plantevernmidler før bruk. Flere avfallshåndteringsanlegg tar imot planteavfall til kompostering, og produserer og selger kompostprodukter. Mange plantevernmidler og organiske miljøgifter brytes helt eller delvis ned under komposteringsprosessen. For de plantevernmidler som ikke brytes ned, er det behov for alternative løsninger. Landbruksdirektoratet har fokus på denne problemstillingen og finansierer prosjekter for å få mer kunnskap om bærekraftig håndteringa av materialer med høye konsentrasjoner av plantevernmidler.
Sammendrag
Det er ikke registrert sammendrag
Sammendrag
Abstract A sustainable transition in the agri‐food system holds society‐wide implications. Farmers play central roles in responding to climate change, environmental degradation and sustainable food production. Still, factors underlying how farmers make decisions and manage their farms are often marginalised in efforts to develop policies to tackle these issues. The concept of relational values, defined as preferences, principles and virtues based on human–nature relationships, recently emerged to expand understandings of environmental decision‐making in general and that of farmers specifically. As agricultural landscapes are dynamic and characterised by the interaction of various actors with diverse values and interests, how these interactions influence farmers' decisions remains underexplored. This paper engages with these issues by using qualitative data on Norwegian horticultural farmers' motivations, opportunities and challenges in farming. We find that their relational values (a) are influential in shaping farmers' decisions about farm management and (b) are continually unfolding and embedded within a web of other actors, including grocers, retailers, consumers, farm advisors and policymakers, which shapes farmers' enactment of their relational values. In the context of agriculture, this research underlines the utility of an in‐depth understanding of relational values as embedded in wider social systems to enrich analyses of farmer decision‐making. How farmers' relational values are shaped and realised through interactions with other actors holds important implications for policy and programming to navigate tensions between different interests and actors for sustainable and long‐term change. Read the free Plain Language Summary for this article on the Journal blog.