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Management of water consumption in agriculture A model for the economic optimisation of water use: application to a sub-humid area
Authors:J. A. de Juan   J. M. Tarjuelo   J. F. Ortega   M. Valiente  P. Carri  n
Affiliation:

Regional Water Research Centre, Regional Development Institute, Castilla-La Mancha University Campus Universitario, s/n 02071, Albacete, Spain

Abstract:This paper present a set of solutions for new irrigation transformation in a sub-humid area such as Salvatierra (Alava, Spain). The research is based on the choice of crop rotation (cultivated species and its degree of participation) being able to economically optimise the use of available water for irrigation. Hence, we will be able in helping make decisions to plan, from origin, the transformation of a dry area into an irrigated area. To do this, a model of economic use of water has been used in an area with climatic features very similar to a large part of Europe, representing an interesting scenario compared to the places where the model had not been applied. Crops taking part in this rotation to optimise use of water are mainly vegetables, with high water needs, that coexist together with crops for dryland farming even in conditions of lack of water. Crops for dryland farming allow an interesting diversification of activity as well as an average resource assignment to the farms that make possible to cultivate many farms at a time, which obviously implies socio-economic benefits for the achievements in the zone.
Keywords:Water management   Irrigation farming   Economical optimisation   Making decision help   Subhumid area
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