Environmental and Economic Sustainability Assessment for Two Different Sprinkler and A Drip Irrigation Systems: A Case Study on Maize Cropping

Eros Borsato, Marco Martello, Francesco Marinello and Lucia Bortolini
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Eros Borsato: Land Environment Resources and Health (LERH) PhD Programme, Territorio e Sistemi Agro-Forestali (TESAF) Department, Università degli studi di Padova, Viale dell’Università 16, 35020 Legnaro, Italy
Marco Martello: Territorio e Sistemi Agro-Forestali (TESAF) Department, Università degli studi di Padova, Viale dell’Università 16, 35020 Legnaro, Italy
Francesco Marinello: Territorio e Sistemi Agro-Forestali (TESAF) Department, Università degli studi di Padova, Viale dell’Università 16, 35020 Legnaro, Italy
Lucia Bortolini: Territorio e Sistemi Agro-Forestali (TESAF) Department, Università degli studi di Padova, Viale dell’Università 16, 35020 Legnaro, Italy

Agriculture, 2019, vol. 9, issue 9, 1-15

Abstract: Water scarcity is worsened by climate change. Water savings can be reached by improving irrigation efficiency both on farm and on water supply. To do that, the choice of the best irrigation technology is not always straightforward, because farmers need to renew and implement farm infrastructures for irrigation. This study compares three irrigation systems, one drip irrigation and two sprinkler (center pivot and hose-reel) systems, on environmental, economic, and energetic performance under irrigated and non-irrigated maize cropping. The study combines impact and efficiency indicators, addressing a sustainability analysis for the irrigation practice under the three different irrigation systems. The sustainability for the irrigation systems was assessed using water-related indicators (water use efficiency, irrigation water use efficiency, and water footprint), biomass (crop growth rate, relative growth rate, harvest index, and yield response factor), and energy indicators (energy footprint, performance, and energy cost footprint) for the environmental aspect; and the economic-based indicators (water productivity and economic water footprint) for the economic aspect. Main results address the center pivot system as the best solution for irrigation practice since it demonstrated higher economic and environmental performance. Moreover, maize under the pivot system allowed a higher biomass production, economic benefits, and water use efficiency.

Keywords: efficiency; footprint; indicators; hose-reel; center pivot; water consumption (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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