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Title: Improving water use in fodder production
Authors: Mendoza-Grimón, Vanessa 
Hernández-Moreno, José Manuel
Palacios-Díaz, María del Pino 
UNESCO Clasification: 310307 Cultivos forrajeros
330810 Tecnología de aguas residuales
Keywords: Water consumption coefficient
Subsurface drip irrigation
Reclaimed water
Water use efficiency
Issue Date: 2015
Project: Reutilización de Aguas Residuales Para El Desarrollo Sostenible: Producción Forrajera y Bioenergética 
Fomento de la Producción Forrajera Sostenible en la Isla de El Hierro (Pde) 
Journal: Water (Switzerland) 
Abstract: Water deficit in semi-arid regions limits the future of the livestock sector. Also, its high price represents a percentage of the total cost of forage production. Non-conventional water resources applied by subsurface drip irrigation (SDI), in which the safe use lies in the management and not on the level of water treatment, would enhance the ruminant production sustainability. To obtain the optimal benefit, the transformation of water per kilogram of dry matter produced must have a high grade of effectiveness. Under this premise, a maralfalfa crop (Penissetum sp, hybridum) has been established with an SDI system and reclaimed water. Forage yield is analyzed with respect to a 40% irrigation reduction. This study shows that, with the use of these good irrigation management practices, it is possible to harvest an annual production of 90 to 72 t center dot ha(-1) in the warmer regions of the Canary Islands. This implies water consumption between 13,200 and 8100 m(3)center dot ha(-1). A water consumption of 21,000 m(3)center dot ha(-1) per year for the same production, at a ratio of 230 L center dot t(-1), can be estimated for the rest of the Canary Islands coastal regions. The use of the water management described in this paper can be profitable in the Canary Islands for fodder production.
ISSN: 2073-4441
DOI: 10.3390/w7062612
Source: Water [ISSN 2073-4441], v. 7 (6), p. 2612-2621
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