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Descripción
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| In the last years, several researches have been performed to find high quality and low cost substrates from different organic wastes in order to decrease peat consumption since the indiscriminate exploitation of peat lands is exhausting this non-renewable useful resource and destroying endangered wetland ecosystems worldwide. The use of organic wastes as soil amendments or possible peat substitute could be improved by pyrolysis treatment, leading to biochar, a carbon-rich material that has attached important attention. Our research group has been worked in the formulation of new based-growing media by peat substitution in 50 and 75 vol% of pruning waste (PW), commercial charcoal (CC), biochar from PW at 300ºC (B300) and 500ºC (B500). Growing media show adequate physicochemical and hydrophysical properties. Experiments performed with lettuce germination show that PW addition in a 75vol% reduces germination index probably due to their high content on phenolic compounds. Lettuce growing experiments were performed during 5 weeks and show that addition of PW and CC to peat decreases biomass production whereas; B300 and specially, B500 addition significantly increases the lettuce biomass. | |
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Internacional
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Si |
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Nombre congreso
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EGU General Assembly 2015 |
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Tipo de participación
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960 |
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Lugar del congreso
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Viena |
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Revisores
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Si |
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ISBN o ISSN
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1607-7962 |
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DOI
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Fecha inicio congreso
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12/04/2015 |
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Fecha fin congreso
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17/04/2015 |
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Desde la página
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3833 |
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Hasta la página
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3833 |
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Título de las actas
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Geophysical Research Abstracts |