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Establishment of a vegetative cover in a mine soil added with urban sewage sludges

AuthorsRossini Oliva, S.; Leidi, Eduardo O. ; Guzmán, Ivan L.; Fernández-Espinosa, A. J.; Mingorance, M. Dolores; Peña, Aránzazu
Urban sludge
Issue Date2014
Universidad de Santiago de Compostela
CitationRetos y oportunidades en la ciencia del suelo 343-546 (2014)
AbstractThe effect of three different urban sewage sludges on the establishment of three different species (ray-grass, tomato and ahipa) was investigated. The treatments were: air-dried stabilized sewage sludge, composted and composted with olive prune wastes. Soil pH was only slightly modified but soil conductivity moderately increased with the addition of sludges, always below 1.2 dS m-1, without interfering with seed germination. The organic carbon content increased with sludge application, more for air-dried stabilized than for composted sewage sludges. The plant species responded differently to sludge treatments. In ahipa, the treatments only affected the leaf photosynthetic pigments but not the plant growth. In tomato 2% sludge enhanced chlorophyll a content in leaves, but sludges at 10% either increased plant mortality or did not improve plant growth.
Description4 páginas.-- 3 figuras.-- 1 tabla.-- 8 referencias.-- Ponencia presentada en el VI Congreso Ibérico de la Ciencia del Suelo . Santiago de Compostela 22 al 25 de junio de 2014.
Publisher version (URL)http://www.usc.es/congresos/cics2014/img/Libro.pdf
Appears in Collections:(IRNAS) Libros y partes de libros
(IACT) Libros y partes de libros
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