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    The value of manure - manure as co-product in life cycle assessment

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    U19ArtLeipValueInthomDev.pdf (3.151Mb)
    Date
    2019
    Author
    Leip, A.
    Ledgard, S.
    Uwizeye, A.
    Palhares, J.C.P.
    Aller, M.F.
    Amon, B.
    Binder, M.
    Cordovil, C.M.
    De Camillis, C.
    Dong, H.
    Fusi, A.
    Helin, J.
    Hortenhuber, S.
    Hristov, A.N.
    Koelsch, R.
    Liu, C.
    Masso, C.
    Nkongolo, N.V.
    Patra, A.K.
    Redding, M.R.
    Rufino, Mariana C.
    Sakrabani, R.
    Thomas, G.
    Vertes, F.
    Wang, Y.
    Type
    Journal Article
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    Livestock production is important for food security, nutrition, and landscape maintenance, but it is associated with several environmental impacts. To assess the risk and benefits arising from livestock production, transparent and robust indicators are required, such as those offered by life cycle assessment. A central question in such approaches is how environmental burden is allocated to livestock products and to manure that is re-used for agricultural production. To incentivize sustainable use of manure, it should be considered as a co-product as long as it is not disposed of, or wasted, or applied in excess of crop nutrient needs, in which case it should be treated as a waste. This paper proposes a theoretical approach to define nutrient requirements based on nutrient response curves to economic and physical optima and a pragmatic approach based on crop nutrient yield adjusted for nutrient losses to atmosphere and water. Allocation of environmental burden to manure and other livestock products is then based on the nutrient value from manure for crop production using the price of fertilizer nutrients. We illustrate and discuss the proposed method with two case studies.
    https://dx.doi.org/10.1016/j.jenvman.2019.03.059
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/6537
    Non-IITA Authors ORCID
    Cargele Massohttps://orcid.org/0000-0002-3980-6832
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.1016/j.jenvman.2019.03.059
    Research Themes
    NATURAL RESOURCE MANAGEMENT
    IITA Subjects
    Food Security; Natural Resource Management; Nutrition; Soil Fertility; Soil Health; Value Chains
    Agrovoc Terms
    Life Cycle; Assessment; Livestock Production; Nutrients; Fertilizers; Farmyard Manure; Green Manures; Food Security
    Journals
    Journal of Environmental Management
    Collections
    • Journal and Journal Articles5283
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