Efecto de la adición de dos residuos a un suelo de escombreara de mina sobre la biomasa microbiana mediante el uso de PLFAs

  1. David Fernández-Calviño 1
  2. Laura Cutillas-Barreiro 1
  3. Juan Carlos Novoa-Muñoz 1
  4. Manuel Aria-Estévez 1
  5. Montserrat Díaz-Raviña 2
  6. María José Fernández-Sanjurjo 3
  7. Esperanza Álvarez-Rodríguez 3
  8. Avelino Núñez-Delgado 3
  1. 1 Universidade de Vigo
    info

    Universidade de Vigo

    Vigo, España

    ROR https://ror.org/05rdf8595

  2. 2 Instituto de Investigacións Agrobiolóxicas de Galicia
    info

    Instituto de Investigacións Agrobiolóxicas de Galicia

    Santiago de Compostela, España

  3. 3 Universidade de Santiago de Compostela
    info

    Universidade de Santiago de Compostela

    Santiago de Compostela, España

    ROR https://ror.org/030eybx10

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Book:
Solos e Água, fontes (esgotáveis) de vida e de desenvolvimento Livro de atas: VII Congresso Ibérico das Ciências do Solo (CICS 2016) VI Congresso Nacional de Rega e Drenagem, 13-15 de Setembro de 2016, Instituto Politécnico de Beja, Beja

Publisher: Sociedade Portuguesa da Ciência do Solo (SPCS)

ISBN: 978-989-99665-0-5

Year of publication: 2016

Pages: 211-214

Type: Book chapter

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Abstract

In the present work, the effect of two wastes, pine bark and crushed mussel shell, on microbial biomass was stud- ied in a soil from a mine tailing located in a copper mine. In a laboratory experiment, different waste concentra- tions (0, 12, 24, 48, 96 y 192 Mg ha-1) of both pine bark and crushed mussel shell were added to the soil. The soil-waste mixtureswere incubated for one year at 60% of water holding capacity, and then 33 phospholipid fatty acids (PLFAs) were extracted from soil samples and quantified. The PLFAs concentrations were used for different microbial biomass estimation: total biomass, bacterial biomass, fungal biomass, gram+ biomass and gram- bio- mass. The addition of crushed mussel had no significant effects on total soil microbial biomass, either bacterial of fungal biomass. However, the addition of pine bark increased the total microbial biomass in the soil, mainly due to increases in the fungal biomass.

Data source: Dialnet