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handle: 10261/76828
[ES]: Se estudia comparativamente la acción de un compost de residuos urbanos (Sevilla) y un abono inorgánico sobre el desarrollo y composición mineral de Lolium perenne L. (comercial). La presencia de compost favorece significativamente la producción de biomasa, especialmente en dosis elevadas (40 Tm./Ha.I). Los tratamientos compost 10 Tm./Ha. y abonado mineral dan producciones semejantes. No se aprecian cambios importantes en la composición mineral de las plantas de ninguno de los tratamientos ni acumulaciones de metales pesados, aunque todavía no se pueden obtener conclusiones definitivas por tratarse de los primeros resultados (dos años) de una experiencia que aún continúa realizándose.
[EN]: The effect of a municipal compost (Seville) and an inorganic fertilizer on crop yield and mineral composition of Lolium perenne L. has been studied. Forage yield of Lolium was substantially higher with a level of applied compost of 40 Tm/ha. Applications of compost at the rate of 10 Tm/ha and inorganic fertilizer at the rate of 1 Tm/ha give similar yields. Mineral composition in plant materials was not significantly altered by any treatment. Application of compost did not result in an increase in heavy metal contents in plants. The above conclusions are not definitive, as this work is part of a wider research still in progress.
10 páginas, 1 figura, 2 tablas, 15 referencias.
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