Comparing the agrochemical properties of compost and vermicomposts produced from municipal sewage sludge digestate

Márk Rékási, Nikolett Mazsu, Eszter Draskovits, Botond Bernhardt, A. Szabó, Pierre Adrien Rivier, Csilla Farkas, Barbara Borsányi, Béla Pirkó, Sándor Molnár, G. Kátay, Nikolett Uzinger

Research output: Article

Abstract

The aim of this work was to investigate whether the agronomic traits of vermicompost prepared from partially stabilised sewage sludge digestate after thermophilic composting were more favourable than those of conventional compost. The effects of various additives (green waste, spent mushroom compost, wheat straw, biochar) were also tested after 1.5 months precomposting followed by 3 months vermicomposting with Eisenia fetida or by compost maturing. Vermicomposting did not result in significantly more intensive mineralisation than composting; the average organic carbon contents were 21.2 and 22.2% in vermicomposts and composts, respectively. Hence, the average total (N: 2.4%; P: 1.9%; K: 0.9%) and available (N: 160 mg/kg; P: 161 mg/kg; K: 0.8%) macronutrient concentrations were the same in both treatments. The processing method did not influence the organic matter quality (E4/E6) either. However, on average the concentration of the plant growth regulator kinetin was more than twice as high in vermicomposts.

Original languageEnglish
Article number121861
JournalBioresource Technology
Volume291
DOIs
Publication statusPublished - nov. 1 2019

Fingerprint

Agrochemicals
Composting
agrochemical
Sewage sludge
compost
Kinetin
Plant Growth Regulators
Straw
Organic carbon
composting
Biological materials
growth regulator
mushroom
Processing
straw
wheat
organic carbon
mineralization
organic matter
sewage sludge

ASJC Scopus subject areas

  • Bioengineering
  • Environmental Engineering
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal

Cite this

Rékási, M., Mazsu, N., Draskovits, E., Bernhardt, B., Szabó, A., Rivier, P. A., ... Uzinger, N. (2019). Comparing the agrochemical properties of compost and vermicomposts produced from municipal sewage sludge digestate. Bioresource Technology, 291, [121861]. https://doi.org/10.1016/j.biortech.2019.121861

Comparing the agrochemical properties of compost and vermicomposts produced from municipal sewage sludge digestate. / Rékási, Márk; Mazsu, Nikolett; Draskovits, Eszter; Bernhardt, Botond; Szabó, A.; Rivier, Pierre Adrien; Farkas, Csilla; Borsányi, Barbara; Pirkó, Béla; Molnár, Sándor; Kátay, G.; Uzinger, Nikolett.

In: Bioresource Technology, Vol. 291, 121861, 01.11.2019.

Research output: Article

Rékási, M, Mazsu, N, Draskovits, E, Bernhardt, B, Szabó, A, Rivier, PA, Farkas, C, Borsányi, B, Pirkó, B, Molnár, S, Kátay, G & Uzinger, N 2019, 'Comparing the agrochemical properties of compost and vermicomposts produced from municipal sewage sludge digestate', Bioresource Technology, vol. 291, 121861. https://doi.org/10.1016/j.biortech.2019.121861
Rékási, Márk ; Mazsu, Nikolett ; Draskovits, Eszter ; Bernhardt, Botond ; Szabó, A. ; Rivier, Pierre Adrien ; Farkas, Csilla ; Borsányi, Barbara ; Pirkó, Béla ; Molnár, Sándor ; Kátay, G. ; Uzinger, Nikolett. / Comparing the agrochemical properties of compost and vermicomposts produced from municipal sewage sludge digestate. In: Bioresource Technology. 2019 ; Vol. 291.
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