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handle: 10261/101585
[ES] Los regadíos del Flumen (Huesca) tienen 27.500 ha de extensión y unos 30 años de antigüedad. Un estudio de los suelos encargado por IRYDA evaluaba en 1975 que más del 50% de la superficie tenía problemas de salinidad. El presente trabajo resulta de una prospección en 1985—86 de las mismas parcelas estudiadas 10 años antes. Los datos se presentan resumidos como índices de CEe (conductividad eléctrica del extracto saturado) y de SAR (relación de adsorción de sodio) por cada parcela. Se discuten las tendencias de los índices de la salinidad—sodicidad de las parcelas y su representatividad y se hacen algunas propuestas para el ulterior seguimiento de estos suelos.
[EN] The 30—year old Flumen irrigation district (Huesca) has an area of 27,500 ha. According to a soil survey sponsored by IRYDA, more than 50% of this surface had salinity problems in 1975. This paper presents a survey made in 1985—86 in the same plots studied by IRYDA 10 years ago. The data are presented as summary indexes of ECe (saturation extract electrical conductivity) and SAR (sodium adsorption ratio) for each plot. The tendencies of these salinity—sodicity indexes are discussed, as well as their representativities, and sorne proposais are rnade for further studies.
10 Pags.- 6 Figs.- 3 Cuadrs. Comunicación presentada en la tercera ponencia durante la Conferencia celebrada dentro del marco de SMAGUA (Zaragoza. 1987). El Salón Internacional del Agua, SMAGUA, es un salón líder en materia hídrica mundial y que se continúa celebrando periódicamente.
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