USE OF ORGANIC RESIDUES FOR THE RECOVERY OF SOIL AND ENVIRONMENTAL SUSTAINABILITY

Authors

  • Antonia Galvez Instituto Andaluz de Ciencias de la Tierra (CSIC-UGR), Granada
  • Tania Sinicco Gruppo di Ricerca di Gorizia, CRA-RPS, Gorizia
  • Maria Luz Cayuela Departmento de Conservación de Suelos y Agua y Manejo de Residuos Orgánicos. CEBAS (CSIC), Campus Universitario de Espinardo, Murcia
  • Maria Dolores Mingorance Instituto Andaluz de Ciencias de la Tierra (CSIC-UGR), Granada
  • Flavio Fornasier Gruppo di Ricerca di Gorizia, CRA-RPS, Gorizia
  • Claudio Mondini Gruppo di Ricerca di Gorizia, CRA-RPS, Gorizia

DOI:

https://doi.org/10.6092/issn.2281-4485/3831

Keywords:

organic residues, mineralisation, C sequestration, N2O emissions, soil organic matter

Abstract

The aim of this work was to investigate the effects of different organic residues on soil fertility and climate change, through the evaluation of soil organic matter mineralisation, greenhouse gas emission, nutrient availability and soil microbial biomass content and activity. A degraded agricultural soil was amended with three different organic residues (pig slurry digestate, rapeseed meal, and compost) at three different doses (0.1, 0.25 and 0.5% w/w) and incubated for 30 days at 20 ºC. During incubation, soil CO2 and N2O emissions, K2SO4 extractable organic C, N, NH4+, NO3- and P, soil microbial biomass and some enzymatic activities were determined. Results obtained showed that rapeseed meal and pig slurry are best suited to improve soil chemical and biological fertility, while compost is more appropriate for the enhancement of soil organic matter content and to promote soil C sequestration.

References

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Published

2011-12-24

How to Cite

Galvez, A., Sinicco, T., Cayuela, M. L., Mingorance, M. D., Fornasier, F., & Mondini, C. (2011). USE OF ORGANIC RESIDUES FOR THE RECOVERY OF SOIL AND ENVIRONMENTAL SUSTAINABILITY. EQA - International Journal of Environmental Quality, 7(7), 33–40. https://doi.org/10.6092/issn.2281-4485/3831

Issue

Vol. 7 (2011)

Section

Articles

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Copyright (c) 2011 Antonia Galvez, Tania Sinicco, Maria Luz Cayuela, Maria Dolores Mingorance, Flavio Fornasier, Claudio Mondini

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