Sustainability evaluation of Sicily's lemon and orange production: An energy, economic and environmental analysis

被引:103
作者
Pergola, M. [1 ]
D'Amico, M. [2 ]
Celano, G. [1 ]
Palese, A. M. [1 ]
Scuderi, A. [2 ]
Di Vita, G. [2 ]
Pappalardo, G. [2 ]
Inglese, P. [3 ]
机构
[1] Univ Basilicata, I-85100 Potenza, Italy
[2] Univ Catania, I-95123 Catania, Italy
[3] Univ Palermo, I-90128 Palermo, Italy
关键词
Citrus production; Energy efficiency; Production costs analysis; Life cycle assessment; CITRUS PRODUCTION; PROFITABILITY; SYSTEMS;
D O I
10.1016/j.jenvman.2013.06.007
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The island of Sicily has a long standing tradition in citrus growing. We evaluated the sustainability of orange and lemon orchards, under organic and conventional farming, using an energy, environmental and economic analysis of the whole production cycle by using a life cycle assessment approach. These orchard systems differ only in terms of a few of the inputs used and the duration of the various agricultural operations. The quantity of energy consumption in the production cycle was calculated by multiplying the quantity of inputs used by the energy conversion factors drawn from the literature. The production costs were calculated considering all internal costs, including equipment, materials, wages, and costs of working capital. The performance of the two systems (organic and conventional), was compared over a period of fifty years. The results, based on unit surface area (ha) production, prove the stronger sustainability of the organic over the conventional system, both in terms of energy consumption and environmental impact, especially for lemons. The sustainability of organic systems is mainly due to the use of environmentally friendly crop inputs (fertilizers, not use of synthetic products, etc.). In terms of production costs, the conventional management systems were more expensive, and both systems were heavily influenced by wages. In terms of kg of final product, the organic production system showed better environmental and energy performances. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码:674 / 682
页数:9
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