Farmers' reasons to accept bio-based fertilizers: A choice experiment in seven different European countries

Tur-Cardona, Juan; Bonnichsen, Ole; Speelman, Stijn; Verspecht, Ann; Carpentier, Louise; Debruyne, Lies; Marchand, Fleur; Jacobsen, Brian H.; Buysse, Jeroen

doi:10.1016/j.jclepro.2018.06.172

Cited by 79 publications

(45 citation statements)

References 30 publications

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“…Combining ground phosphate rock with sulfur pulp created a product which, after thorough homogenization, can be a suitable material for granulation. Granulation is one of the main factors that increase fertilizer chances for market success (Tur-Cardona et al, 2018) and fits into the widely understood technical progress in agriculture (Borusiewicz et al, 2016). Moreover, using technological additions that allow for an increase in effectiveness of fertilizers based on waste materials is a modern approach in creating waste-free technologies not only in agriculture, but in the whole economy (Wróbel et al, 2016).…”

Section: Resultsmentioning

confidence: 99%

Effect of the Fertilizer Application Method on Soil Abundance in Available Sulfur

Tabak

Filipek-Mazur

2018

Agricultural Engineering

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Efficient increase in the content of available forms of elements in soil depends not only on their total content introduced to soil material, but also on the technology of its application. Technology consists of techniques and date of application as well as agronomic practices aimed at maintaining proper conditions for element transformations. The method of application of waste elemental sulfur and ground phosphate rock was assessed. Doses of 20 and 40 mg S as well as 40 and 80 mg P·kg−1d.m. were added to medium soil; 30 and 60 mg S as well as 60 and 120 mg P·kg−1d.m. were added to heavy soil. The soil samples were collected on the day of application of materials and after 15, 30, 60 and 90 days. The soil pH value decreased during the incubation. An increase in available sulfur content was observed in both soils after elemental sulfur application; the sulfur content in the medium soil depended on the dose of waste. The soils with the addition of a double dose of ground phosphate rock had the highest content of available phosphorus.

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Section: Resultsmentioning

confidence: 99%

Effect of the Fertilizer Application Method on Soil Abundance in Available Sulfur

Tabak

Filipek-Mazur

2018

Agricultural Engineering

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“…It is worth noting that while sociodemographic variables are still very important determinants of farmers’ WTP/WTA in developing countries, this review showed that for many studies conducted in developed and high-income countries, sociodemographic variables such as education, household size, and income levels were not often included as potentially important variables, and when considered, oftentimes did not have significant effect on adoption or WTP (Giannoccaro et al, 2015; Tur-Cardona et al, 2018; Villanueva et al, 2015). Demographic factors, such as family size, do not vary a lot within developed countries, which could explain why these factors are not significant in studies carried out in such regions.…”

Section: Discussionmentioning

confidence: 97%

Farmers’ adoption of agricultural innovations: A systematic review on willingness to pay studies

et al. 2019

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Unlike most studies that focused on specific innovations, this study systematically analyzed farmers’ adoption of agricultural innovations in general. It reports willingness to pay (WTP; willingness to accept (WTA)) as a proxy for adoption, its determinants, applied methods, and statistical models. After searching and screening, 80 studies qualified for review. Majority ( n = 30) of studies focused on farmers’ WTP for innovations in agricultural water provision or environmental and crop protection ( n = 35), while the remaining studies handled crop or animal improvement innovations. Most studies were performed in developing countries, using stated preference methods for economic valuation, with 55% of the studies ( n = 44) applying contingent valuation compared to 39% taking choice modeling approach. While farmers are generally willing to pay premium for improvement in agriculture technologies, WTP (WTA) depends on the innovation (system). For example, premiums ranged from about 0.125 to 2 USD/m3 of water depending on water supply (e.g. ground vs. surface water). Furthermore, the determinants of farmers’ WTP can be grouped into sociodemographic, biophysical, technological, institutional, and behavioral factors. As illustrated by relatively high WTP, the review demonstrates that farmers embrace most innovations, regardless of the context and methods applied.

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“…Pampuro et al (2018) conducted a survey and focus groups to determine farmers' attitudes toward using pelletized composted manure in Northwestern Italy and found that nitrogen content was the most important attribute to farmers. Tur-Cardona et al (2018), the study most like ours, conducted parallel discrete choice experiments (DCEs) in seven different European countries to identify key attributes related to the acceptance of bio-based fertilizer products. The authors found that bio-based fertilizer products could be sold at about 65% of the cost of mineral fertilizer.…”

Section: Introductionmentioning

confidence: 99%

Demand for bio-based fertilizers from dairy manure in Washington State: a small-scale discrete choice experiment

Hills

Yorgey

Cook

2020

Renew. Agric. Food Syst.

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The use of bio-based fertilizers derived from dairy manure can provide a valuable source of fertility, improve soil health and provide an outlet for manure from dairy operations. We conducted a small-scale discrete choice survey of crop farmers and crop consultants in Washington State to determine the attributes that were important to them in the potential use of a bio-based fertilizer product derived from dairy manure. Of the attributes examined, distribution channel was not statistically significant. Respondents preferred air-dried or pelletized forms to wet forms, though there was no statistically significant difference between air-dried and pelletized forms. As expected, uptake increased as price decreased. Our results imply that respondents would be willing to pay 23 and 39% more for an air-dried or pelletized product, respectively, than for a ‘semi-wet’ product. Our results indicate that there are other important attributes beyond the ones in the survey that led respondents to stay with their current fertilizer regime. Qualitative responses in the survey pointed to the need for field trial results and data on nitrogen release from the bio-based fertilizer. Greater understanding of willingness-to-pay and attributes important to potential end users is important for the development of markets for bio-based fertilizers.

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Farmers' reasons to accept bio-based fertilizers: A choice experiment in seven different European countries

Cited by 79 publications

References 30 publications

Effect of the Fertilizer Application Method on Soil Abundance in Available Sulfur

Effect of the Fertilizer Application Method on Soil Abundance in Available Sulfur

Farmers’ adoption of agricultural innovations: A systematic review on willingness to pay studies

Demand for bio-based fertilizers from dairy manure in Washington State: a small-scale discrete choice experiment

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