Publication: Evolución de los componentes de carbono, nitrógeno y propiedades edáficas de un suelo agrícola mediterráneo tras la aplicación de altas dosis de residuos orgánicos biodegradables
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2014-02-25
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Universidad Complutense de Madrid
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Abstract
La producción de residuos orgánicos biodegradables (lodos de depuradora y residuos sólidos urbanos) y su posterior gestión se ha convertido en uno de los temas que mayor atención genera en la política ambiental comunitaria. Según la Comisión Europea, el uso de estos residuos como enmienda agrícola se considera como la solución menos costosa. Sin embargo, la aplicación de estos residuos origina variaciones en los componentes y propiedades edáficas, que provocan unos efectos ambientales que no están reflejados suficientemente en la legislación vigente. Por esta razón, el objetivo de esta tesis es evaluar los efectos de la aplicación de altas dosis de residuos orgánicos biodegradables en las características edáficas de un suelo agrícola en clima mediterráneo, con el fin de establecer unas recomendaciones de uso y gestión para una aplicación ambientalmente más segura. Se ha investigado los efectos sobre la evolución del carbono y nitrógeno del suelo y las propiedades edáficas en un experimento de campo, tras la aplicación de una dosis elevada (160 Mg ha-1 ) de tres tipos de enmiendas orgánicas: compost de residuos sólidos urbanos, lodo procedente de digestión aerobia y lodo procedente de digestión anaerobia...
The generation of biodegradable organic residues (sewage sludge and municipal solid waste) and their management has become one of the key priorities of the European Union´s environmental policy. According to the European Commission, the use of these residues as an agricultural amendment is considered the least expensive solution. However, the application of residues causes changes in soil components and properties, causing some environmental effects which are not sufficiently reflected in current legislation. Therefore, the aim of this thesis was to evaluate the changes in characteristics and soil properties of an agricultural soil after the application of a single high dose of three biodegradable organic wastes in order to propose some recommendations for use and management. We investigated the effects on the soil carbon and nitrogen evolution and the soil properties in a field experiment after the application of a single high dose (160 Mg ha-1) of three organic amendments subjected to different stabilization processes: a municipal solid waste compost, and aerobically and anaerobically digested sewage sludge...
The generation of biodegradable organic residues (sewage sludge and municipal solid waste) and their management has become one of the key priorities of the European Union´s environmental policy. According to the European Commission, the use of these residues as an agricultural amendment is considered the least expensive solution. However, the application of residues causes changes in soil components and properties, causing some environmental effects which are not sufficiently reflected in current legislation. Therefore, the aim of this thesis was to evaluate the changes in characteristics and soil properties of an agricultural soil after the application of a single high dose of three biodegradable organic wastes in order to propose some recommendations for use and management. We investigated the effects on the soil carbon and nitrogen evolution and the soil properties in a field experiment after the application of a single high dose (160 Mg ha-1) of three organic amendments subjected to different stabilization processes: a municipal solid waste compost, and aerobically and anaerobically digested sewage sludge...
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Farmacia, Departamento de Edafología, leída el 10/07/2014