Passively Aerated Composting of Straw-Rich Organic Pig Manure

A.H.M. Veeken, V. de Wilde, G. Szanto, H.V.M. Hamelers

Research output: Chapter in Book/Report/Conference proceedingChapterAcademic


In this study pig manure from organic farming systems is composted with passive aeration. Effectiveness of the composting process strongly depended on the density of the compost. Best results were observed at a density of 700 kg/m3, where both aerobic degradation and drying were adequate and temperatures were high enough to kill pathogens and weeds. Monthly turning shortened the process and gave a more homogeneous end product. There were low ammonia and nitrous oxide emissions and no methane emissions.
Original languageEnglish
Title of host publicationMicrobiology of Composting
EditorsH. Insam, N. Riddech, S. Klammer
Place of PublicationBerlin, Germany
PublisherSpringer Verlag
Publication statusPublished - 2002


  • animal wastes
  • pig manure
  • composting
  • aerobic treatment
  • organic farming


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