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Abstract:Sicily has a long tradition in citrus fruit cultivations that with vineyard and olive tree represent the main Mediterranean tree crops. In this paper we have evaluated the economic and financial sustainability of lemon production, both in organic farming and in conventional farming; the two systems differing just for inputs utilized in production process. Economic analysis has been carried out in a representative case study located in the Sicilian northwestern coast, considering an orchard economic life equal to 50 years. Results, which referred to one hectare area, showed both a higher economic and financial sustainability of organic farming respect to conventional farming. The higher profitability of organic farming was due to minor labor requirement and to greater market appreciation for organic products that granted a premium price respect to conventional prices. Moreover, greater profitability of organic farming and use of environmentally friendly inputs in production process make farms competitive and eco-friendly.

Abstract:The production of energy from renewable sources is a form of energy production that has less impact on the environment than the traditional one. For the farmer this new form of production represents an opportunity, especially for the economic benefits that can produce, both in terms of the incentives provided by the public operator and for higher revenues, deriving from the sale of energy back to the grid and/or the savings generated by self-consumed energy, that help to increase the farmer's income. In this paper, we analyzed a case study of a farm that has realized a grid-connected photovoltaic (PV) system on a greenhouse. In particular, firstly the farm profitability has been estimated and subsequently, in order to assess the efficiency of the energy policy adopted by the Second Conto Energia in Italy, the minimum incentive tariff at which the entrepreneur has an economic advantage to realize a PV system has been determined. Results show that PV system relegates to a marginal role the cultivation of agricultural products compared to energy production and that government PV remuneration policies far outweigh the minimum threshold that makes the investment advantageous.

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