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The aim of the work was to present the role of composting as one of the simple and cheapest methods to reduce GHG emissions from cow manure - conclusions from the MilKey and MELS projects. The article contains both the results of some studies analyzed within the above projects, as well as the methodology of conducting composting studies. The method of managing animal waste by composting or co-composting has been known for a long time and used in many places around the world. However, this is not always done in an ...

Diary production is steadily increasing worldwide, as evidenced by a 1.6% increase in milk production. Cattle headcount in Europe amounts to 75.6 mln, with Poland heaving more than 10% of the EU population. Such a significant production is yielding massive waste and animal by products, mainly cow manure. Storage and utilization of these byproducts may result in unwanted emissions of greenhouse gasses such as methane, carbon dioxide, and other potentially dangerous compounds like ammonia. Proper manure management a...

According to Regulation of the Minister of Environment of December 29, 2016, on the detailed method of selective collection of selected waste fractions, selective collection of biowaste is mandatory. Biowaste stream can consist of both kitchen waste and biodegradable waste from gardens and parks. Kitchen waste and ?green waste? can be selected separately or collectively. Properties of kitchen waste and green waste can differ significantly. Considering fermentation as the main treatment method for these types of wa...