Article history: The role of environmental consequences derived from cereal production in agricultural systems is widely Received 20 August 2015 recognised. Life Cycle Assessment (LCA) has been considered as a useful tool to support environmental Received in revised form 2 March 2016 decision-making in agricultural systems. In this study, the quantiﬁcation and identiﬁcation of the envi- Accepted 5 April 2016 ronmental impacts derived from two different double cropping systems comprising winter and summer Available online 14 April 2016 crops for silage production (forage sorghum, barley and oat) was performed following an attributional LCA perspective in accordance with ISO 14040 standards. Primary data of cereal production for dairy Keywords: cattle feeding were obtained from a representative year. Only secondary data were used for background Avena sativa L. processes. Double cropping system Four different functional units were considered to report the environmental proﬁles: 1 t dry matter Feedstuffs silage (base case), 1 ha, 1 t crude protein and 1 MJ metabolisable energy. According to the results, the Functional units Hordeum vulgare L. combination of sorghum with barley presented better environmental results than sorghum with oat Sorghum spp. when the impacts were reported for mass and energy based functional units, which is
"Resources, Conservation and Recycling" – Elsevier
Published: Aug 1, 2016
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