Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 554016
Title Biochar, compost and biochar-compost blend as options to recover nutrients and sequester carbon
Author(s) Oldfield, Thomas L.; Sikirica, Nataša; Mondini, Claudio; López, Guadalupe; Kuikman, Peter J.; Holden, Nicholas M.
Source Journal of Environmental Management 218 (2018). - ISSN 0301-4797 - p. 465 - 476.
DOI https://doi.org/10.1016/j.jenvman.2018.04.061
Department(s) Sustainable Soil Use
WIMEK
Publication type Refereed Article in a scientific journal
Publication year 2018
Keyword(s) Biochar - Biochar-compost blend - Carbon sequestration - Compost - Life cycle assessment - Nutrient recovery
Abstract

This work assessed the potential environmental impact of recycling organic materials in agriculture via pyrolysis (biochar) and composting (compost), as well its combination (biochar-compost blend) versus business-as-usual represented by mineral fertiliser. Life cycle assessment methodology was applied using data sourced from experiments (FP7 project Fertiplus) in three countries (Spain, Italy and Belgium), and considering three environmental impact categories, (i) global warming; (ii) acidification and (iii) eutrophication. The novelty of this analysis is the inclusion of the biochar-compost blend with a focus on multiple European countries, and the inclusion of the acidification and eutrophication impact categories. Biochar, compost and biochar-compost blend all resulted in lower environmental impacts than mineral fertiliser from a systems perspective. Regional differences were found between biochar, compost and biochar-compost blend. The biochar-compost blend offered benefits related to available nutrients and sequestered C. It also produced yields of similar magnitude to mineral fertiliser, which makes its acceptance by farmers more likely whilst reducing environmental impacts. However, careful consideration of feedstock is required.

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