Marketing Green Fertilizers: Insights into Consumer Preferences

Dahlin, Johannes; Halbherr, Verena; Kurz, Peter; Nelles, Michael; Herbes, Carsten

doi:10.3390/su8111169

Cited by 18 publications

(15 citation statements)

References 75 publications

(66 reference statements)

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“…Other factors that are critical for a smooth and effective transition to the widespread use of recovered fertilizer products but were not considered in the present review include legislation (Hukari et al, 2016) and social acceptance (Dahlin et al, 2016), as well as technological maturity, environmental performance, and costs (Egle et al, 2016).…”

Section: Discussion and Outlookmentioning

confidence: 99%

Recycling nutrients contained in human excreta to agriculture: Pathways, processes, and products

Harder

Wielemaker

Larsen

et al. 2019

Critical Reviews in Environmental Science and Technology

162

108

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The need for better nutrient management has spurred efforts towards more comprehensive recycling of nutrients contained in human excreta to agriculture. Research in this direction has intensified throughout the past years, continuously unfolding new knowledge and technologies. The present review aspires to provide a systematic synthesis of the field by providing an accessible overview of terminology, recovery pathways and treatment options, and products rendered by treatment. Our synthesis suggests that, rather than focusing on a specific recovery pathway or product and on a limited set of nutrients, there is scope for exploring how to maximize nutrient recovery by combining individual pathways and products and including a broader range of nutrients. To this end, finding ways to more effectively share and consolidate knowledge and information on recovery pathways and products would be beneficial. The present review aims to provide a template that aims to facilitate designing human excreta management for maximum nutrient recovery, and that can serve as foundation for organizing and categorizing information for more effective sharing and consolidation.

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Section: Discussion and Outlookmentioning

confidence: 99%

Recycling nutrients contained in human excreta to agriculture: Pathways, processes, and products

Harder

Wielemaker

Larsen

et al. 2019

Critical Reviews in Environmental Science and Technology

162

108

View full text Add to dashboard Cite

show abstract

“…Another market-related barrier refers to the absence of the high demand for the substrate as organic fertilizer. Most farmers display a "more-is-better" preference [82], in which over-fertilization leads to eutrophication of water bodies [83]. An educational concept could help gardeners and farmers develop practices which are both more ecologically sound and personally more satisfying.…”

Section: Discussionmentioning

confidence: 99%

Feasibility and Barriers for Anaerobic Digestion in Mexico City

et al. 2019

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Due to the high organic fraction in municipal solid waste (MSW) composition in Mexico City, anaerobic digestion (AD) is considered as a viable treatment method for organics in this study. The most feasible way refers to the waste from the wholesale market Central de Abasto, which is predominantly organics. This work aims to perform a business plan and discuss the barriers for AD technology in Mexico. In this case study, the cost-benefit analysis (CBA) approach is applied to estimate the profitability of the project. The net present value of this project is positive, and the model resulted in a payback period of 7 years. Identified barriers to feasibility of energy generation through biogas of MSW in Mexico include the need for large investment, low profitability through sales of electricity, and no use for generated heat. An attractive panorama for clean energy in Mexico was not evidenced, even though the Energy Reform took place in 2013. However, the environmental analysis also demonstrates a positive environmental impact of 730 kg CO 2 per 1 Mg of MSW. Therefore, support incentives are needed to promote the use of other by-products of the AD process, such as heat and digestate.

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“…We focused on these attributes because consumers have increasingly become aware of the environmental cost of draining peat land [64], though public perception is divided [65]. So too is the perception of guano, with some consumers favoring it in their potting soil and fertilizer products and others intent on avoiding it [22,64].…”

Section: Theory and Hypotheses Developmentmentioning

confidence: 99%

Consumer Willingness To Pay for Proenvironmental Attributes of Biogas Digestate-Based Potting Soil

Herbes

Dahlin

Kurz³

2020

Sustainability

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Biogas from anaerobic digestion has become an important element in the renewable energy portfolio of many countries. In anaerobic digestion, digestate is produced as a byproduct. This could be used to produce fertilizers and potting soils for home gardeners substituting mineral fertilizers or peat-based products. However, this depends on consumer willingness to pay (WTP) for such products, which we investigate in this study. To this end, we conducted a discrete choice experiment (DCE) with 507 private consumers. From the 6084 decisions made, we derived Bayesian part-worth utilities using a preference share model and so calculated the WTP for different proenvironmental attributes of potting-soil products. We also assessed the influence of proenvironmental attitudes on the WTP. We discovered five distinct consumer groups in our respondents. Some show a significant WTP for proenvironmental attributes such as “organic”, “peat free”, and “without guano”. Three descriptions of digestate as a “renewable resource”, a “fermentation residue”, or a “biogas residue” elicited three markedly different WTP responses across all classes, with “renewable resource” garnering the highest WTP and “biogas residue” the lowest. Consumers with a stronger proenvironmental attitude exhibited a higher WTP for proenvironmental attributes. Our results can help marketers of digestate-based potting soils discover suitable price points for their products and design differentiated pricing strategies across consumer groups.

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Marketing Green Fertilizers: Insights into Consumer Preferences

Cited by 18 publications

References 75 publications

Recycling nutrients contained in human excreta to agriculture: Pathways, processes, and products

Recycling nutrients contained in human excreta to agriculture: Pathways, processes, and products

Feasibility and Barriers for Anaerobic Digestion in Mexico City

Consumer Willingness To Pay for Proenvironmental Attributes of Biogas Digestate-Based Potting Soil

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