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Título

The contrast of the drylands versus the old and new irrigated districts in Quinto

AutorHerrero Isern, Juan
Fecha de publicación1998
CitaciónHerrero J. The contrast of the drylands versus the old and new irrigated districts in Quinto. In: Boixadera J, Poch RM, Herrero C (eds.). Tour Guide 88: Soil information for sustainable development. World Congress of Soil Science. Lleida (Spain), International Union of Soil Science (1998)
ResumenThe soils to be visited are in the municipality of Quinto, in the right bank of the Ebro river, downstream of Zaragoza (Fig. 3.2.1 ). Barley is the only feasible crop in the unirrigated lands, but yield is often low or nil, and in most years is not harvested but grazed by sheeps. Only a scarce and elderly population remains because of the lack of stable income. People perceive these lands as marginal, and thus waste disposal or quarrying of alabaster, clay and gravel have been easily accepted. Protection of the arid ecosystems has been recently promoted by some private and public organizations. Irrigated agriculture has supported human life in the central Ebro Valley since ancient times. Maize, alfalfa, wheat, barley, peas, sunflower, onions, fruit trees are some of the common crops that grow in the irrigated lands. Now, the conflict between agricultural and urban uses of water has produced strong criticisms against irrigation. Quinto contains an old surface-irrigated district in the lower terrace of the Ebro river. A new irrigated area of around 2500 ha started eleven years ago by pumping water 130 meters of vertical elevation from the Ebro river. Sprinkler and drip irrigation allow good productions not only in gypseous soils, but also in some enclaves of saline soils where subsurface drainage pipes were installed. The trip will show some of the representative soils of Quinto and their relationships with the landscape and land use.
DescripciónPart of this chapter is extracted from the book: 0. Artieda (1996) Génesis y distribución de suelos en un medio semiárido. Quinto (Zaragoza). Ministerio de Agricultura Pesca y Alimentación. Madrid. 222 pp. + 1 map.
URIhttp://hdl.handle.net/10261/130155
ReferenciasD.L. L-1068-98
Referencias0. Artieda (1996) Génesis y distribución de suelos en un medio semiárido. Quinto (Zaragoza). Ministerio de Agricultura Pesca y Alimentación. Madrid. 222 pp. + 1 map.
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