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Biopotential of compost and compost products derived from horticultural waste-Effect on plant growth and plant pathogens' suppression

Authorized Users Only
2019
Authors
Milinković, Mira
Lalević, Blažo
Jovičić-Petrović, Jelena
Golubović-Ćurguz, Vesna
Kljujev, Igor
Raičević, Vera
Article (Published version)
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Abstract
Besides ecological and environmental benefits of green open spaces, horticultural waste management has various environmental consequences. Green waste composting represents promising environmentally friendly alternative which gives valuable products with positive soil and plants impact. Composting products' quality determinates their application and depends on the particular waste material and process parameters. The aim of this paper was to estimate the chemical and microbiological quality of green waste compost and compost products (compost tea, compost extract and the solid phase after extraction), and their biopotential based on germination rate, germination index and inhibition of phytopathogenic fungi growth. Higher germination rate of examined plant seeds was noticed on the solid phase after extraction, and compost extract, compared to compost, and compost tea, respectively. Plants with low germination rate grown on compost showed higher fresh and dry biomass. Compost products s...trongly inhibited the growth of plant pathogens Fusarium oxysporum, Rhizoctonia sp., and Pythium debaryanum. Presented results show that composted biodegradable waste from urban green spaces contribute to the plant growth and phytopathogenic fungi suppression, and thus improve the overall environmental quality.

Keywords:
Green waste / Compost / Compost products / Phytopathogenic fungi suppression / Germination rate
Source:
Process Safety and Environmental Protection, 2019, 121, 299-306
Publisher:
  • Inst Chemical Engineers, Rugby
Funding / projects:
  • Biodiversity as potential in ecoremediation technologies of degraded ecosystems (RS-31080)
  • System for Optimization of Thermal Power Plant Blocks Operation over 300 MW capacity (RS-42007)

DOI: 10.1016/j.psep.2018.09.024

ISSN: 0957-5820

WoS: 000462955700032

Scopus: 2-s2.0-85056711885
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URI
http://aspace.agrif.bg.ac.rs/handle/123456789/5075
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Poljoprivredni fakultet

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