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Memorias de investigación
Communications at congresses:
Plant development effects of biochars from different raw materials
Year:2015
Research Areas
  • Soil conditioning
Information
Abstract
Biochar can provide multiple benefits in the ecosystem. However, the presence of phytotoxic compounds in some biochars is an important concern that needs to be addressed and that depends on the raw material and the pyrolysis conditions used in biochar production. For example, sewage sludge biochars can have elevated heavy metal con- tents as they were present in the feedstock and were enriched during pyrolysis. Also during carbonization, some phytotoxic compounds such as polycyclic aromatic hydrocarbons (PAHs), polyphenols or volatile organic com- pounds (VOCs) could be formed representing a risk of contamination to soils and crops. In this work we report the results from seed germination and plant development for three biochars prepared from wood, paper sludge plus wheat husks and sewage sludge. Five higher plant species (cress, lentils, cucumber, tomato and lettuce) were studied. Biochar from wood shows seed inhibition in several species and the paper sludge biochar on lettuce. For the rest, the effect on seed germination was positive. No inhibition of root growth was detected, but in some cases leaves and stems growth were inhibited. Our results are significant in terms of advancing or current understanding on the impacts of biochar on vegetative growth and linking those effects to biochar properties.
International
Si
Congress
EGU General Assembly 2015
960
Place
Vienna, Austria
Reviewers
Si
ISBN/ISSN
1607-7962
Start Date
12/04/2015
End Date
17/04/2015
From page
3774
To page
3774
Plant development effects of biochars from different raw materials
Participants
  • Autor: Paola Andrea Cely Parra (UPM)
  • Autor: Ana Maria Mendez Lazaro (UPM)
  • Autor: Jorge Paz-Ferreiro (School of Civil, Environmental and Chemical Engineering, RMIT University)
  • Autor: Gabriel Gasco Guerrero (UPM)
Research Group, Departaments and Institutes related
  • Creador: Grupo de Investigación: Valorización de Recursos
  • Departamento: Ingeniería Geológica y Minera
  • Departamento: Producción Agraria
S2i 2020 Observatorio de investigación @ UPM con la colaboración del Consejo Social UPM
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