Revista Egitania Sciencia - Volume 20 | ARTICLE

Title: WATER USE IN AGRICULTURE IN PORTUGAL -PART I – EVOLUTION OF IRRIGATION IN AGRICULTURE; SOCIAL AND INSTITUTIONAL ASPECTS

Author: António Canatário Duarte (acduartel@ipcb.pt)
Professor Adjunto da Escola Superior Agrária/Instituto Politécnico de Castelo Branco, Doutor em Agronomia pela Universidade de Córdoba (Espanha), Investigador do Centro de Estudos GEOBIOTEC (Polo da Universidade da Beira Interior).
Publication: Revista Egitania Sciencia - Volume 20

Abstract:
In Portugal’s climatic conditions, irrigated agriculture has an unquestionable importance in the overall agricultural production, as it permits the growing of more valuable crops than the traditional rain irrigated ones. The objective of this study is to use an integrated approach of water use in agriculture, framed in the social and institutional constraints and opportunities. In the last half century a significant increase in the efficiency of water use in agriculture has been found, which has corresponded to high energy consumption. In the irrigation districts studied, a high diversity in the irrigation water price schemes was verified, and its cost can vary between 77.4 and 556.8 €/ha for the corn crop, for example. It should also be noted that the cost of irrigation systems is understandably a factor that influences, but is not determinant in, the irrigation adherence rate. The irrigation adherence rate of the national irrigation districts is conditioned by various constraints which are important in finding an answer, while it is necessary to promote incentive measures.

Keywords: Irrigated agriculture, social and institutional aspects, cost of irrigation systems, irrigation community project




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