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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 ...

The continuous increase emissions of greenhouse gas and the necessity to feel energetic security have caused the whole world increase the use of energy sources that are not based on crude oil and hard coal. Alternative to obtaining energy from fossil fuels is the production of biogas. One of the most commonly used raw materials for biogas production are maize silage. Therefore corn silage makes up 35-40% of the total cost of biogas production, which means that their use for biogas production does not bring big ben...