A műtrágyák szerves trágyával történő helyettesíthetőségének vizsgálata környezetvédelmi aspektusból az előállításuk alapján


  • Nikolett Éva Kiss University of Debrecen, Faculty of Agricultural and Food Sciences and Environmental Management, Institute of Water and Environmental Management, e-mail: kiss.nikolett@agr.unideb.hu (corresponding author) https://orcid.org/0000-0003-1010-974X
  • János Tamás University of Debrecen, Faculty of Agricultural and Food Sciences and Environmental Management, Institute of Water and Environmental Management, e-mail: tamas@agr.unideb.hu https://orcid.org/0000-0002-9893-6725
  • Attila Nagy University of Debrecen, Faculty of Agricultural and Food Sciences and Environmental Management, Institute of Water and Environmental Management, e-mail: attilanagy@agr.unideb.hu https://orcid.org/0000-0003-1220-8231


life cycle assessment, environmental impacts, composted and pelletized poultry litter (CPPL), chemical fertilizers


The aim of this research was to measure and evaluate the environmental impacts during the production of composted and pelletized poultry litter (CPPL) compared to the environmental impacts during the production of different chemical fertilizers. As a result of the comparison, it can be decided whether CPPL is a suitable alternative to fertilizers. The environmental impacts were measured and assessed using a life cycle assessment methodology in accordance with the ISO14040:2006 series of standards. Four impact categories were included in the assessment, these were Acidification Potential (AP), Eutrophication Potential (EP), Global Warming Potential (GWP) and Human Toxicity Potential (HTP).

The results showed that although the acidification potential and eutrophication potential were higher for CPPL production due to gas emission during composting of organic material (in this case chicken manure), the global warming potential and human toxicity potential were similaror lower compared to chemical fertilizers.

The preference for organic fertilizers over chemical fertilizers is even more important today than before, partly because efforts to reduce chemical fertilizer use are in line with the objectives of the European Green Deal, and partly because of current events, fertiliser shortages and rising fertiliser prices. Organic fertilizers can therefore be a suitable alternative to chemical fertilizers, both from an environmental and an economic point of view.


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