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

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Title The value of manure - manure as co-product in life cycle assessment
 
Creator 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.
 
Subject LIFE CYCLE
ASSESSMENT
LIVESTOCK PRODUCTION
NUTRIENTS
FERTILIZERS
FARMYARD MANURE
GREEN MANURES
FOOD SECURITY
 
Description Open Access Article; Published online: 19 April 2019
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.
Peer Review
 
Date 2019-10-28T15:15:11Z
2019-10-28T15:15:11Z
2019
 
Type Journal Article
 
Identifier Leip, A., Ledgard, S., Uwizeye, A., Palhares, J.C., Aller, M.F., Amon, B., ... & Wang, Y. (2019). The value of manure-manure as co-product in life cycle assessment. Journal of Environmental Management, 241, 293-304.
0301-4797
https://hdl.handle.net/10568/105543
 
Language en
 
Rights CC-BY-4.0
 
Format 293-304
 
Source Journal of Environmental Management