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Título: | Effects of canopy size and water stress over the crop coefficient of a "Tempranillo" vineyard in south-western Spain |
Autor: | Picón-Toro, J.; González-Dugo, Victoria CSIC ORCID; Uriarte, D.; Mancha, Luis A.; Testi, Luca CSIC ORCID | Fecha de publicación: | sep-2012 | Editor: | Springer Nature | Citación: | Irrigation Science 30(5): 419-432 (2012) | Resumen: | This paper describes the assessment of the crop coefficient of an irrigated Tempranillo vineyard measured in a weighing lysimeter during 5 years in south-western Spain. During the first year of the study (2006), young vines displayed a different canopy growth compared to the subsequent years. From 2007 to 2010, vines experienced 2 years with no restriction in water supply, and two other years with short periods of crop water stress. Basal crop coefficient (K cb) started from 0. 2 at bud-break until 1. 0 at full development in every year, being this maximum management-dependent. K cb showed a good correlation with canopy size indices, which allows to interpolate these results to a wide range of commercial vine systems that are usually managed with lower vegetation size. Moreover, a simple linear model of crop evapotranspiration reduction with relative water content is presented, allowing the estimation of consumptive water use under deficit irrigation conditions. © 2012 Springer-Verlag. | URI: | http://hdl.handle.net/10261/87575 | DOI: | 10.1007/s00271-012-0351-3 | Identificadores: | doi: 10.1007/s00271-012-0351-3 issn: 0342-7188 e-issn: 1432-1319 |
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accesoRestringido.pdf | 15,38 kB | Adobe PDF | Visualizar/Abrir |
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