Reusing drainage water and substrate to improve the environmental and economic performance of Mediterranean greenhouse cropping
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Autor/a
Gava, Oriana
Carmassi, Giulia
Pardossi, Alberto
Incrocci, Luca
Bartolini, Fabio
Data de publicació
2023-05-17ISSN
0959-6526
Resum
The objective of this study is to provide decision makers and policy makers with adequate information to support the diffusion of reuse strategies in Mediterranean greenhouses. Sixteen alternative scenarios are compared through eco-efficiency analysis, combining four technologies to manage drainage water (open-loop fertigation vs. wastewater treatment plant vs. cascade cropping vs. closed-loop fertigation) with two substrate materials and two substrate management options at end-of-life. System differences are modelled through detailed primary data, collected and validated via a multi-step process. Results show that cascade cropping and closed-loop fertigation have, respectively, the highest and second-highest eco-efficiency, with respect to their ability to reduce freshwater eutrophication (up to −6,63 kg P) and marine eutrophication (up to −47.1 kg P eq), while generating profits for the farmer. Selecting a biodegradable substrate and reusing it on farm can increase greenhouse profitability by 20%. This article is a new contribution to the literature by (i) supporting the improvement and harmonisation of eco-efficiency analysis in the agricultural sector; (ii) providing a comprehensive comparative assessment that is missing from the published literature; (iii) giving special emphasis to data and the data collection process, to provide input to further research; (iv) by generating lessons learnt of practical usefulness for reducing uncertainty in decision making and policy making; (v) by delivering policy recommendations to address key barriers to the diffusion of eco-efficient greenhouse cropping. The involvement of local and multidisciplinary stakeholders is required to improve the methodological approach and the acceptability of the proposed solution, especially in case of trade-offs among the different impact domains, and to identify and prioritise tailored interventions on the conditions and stakeholder needs.
Tipus de document
Article
Versió del document
Versió acceptada
Llengua
English
Matèries (CDU)
631/635 - Gestió de les explotacions agrícoles
Pàgines
70
Publicat per
Elsevier
Publicat a
Journal of Cleaner Production
Citació
Gava, Oriana, Assumpció Antón, Giulia Carmassi, Alberto Pardossi, Luca Incrocci, and Fabio Bartolini. 2023. "Reusing Drainage Water And Substrate To Improve The Environmental And Economic Performance Of Mediterranean Greenhouse Cropping". Journal Of Cleaner Production 413: 137510. doi:10.1016/j.jclepro.2023.137510.
Programa
Sostenibilitat en Biosistemes
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