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SIP-LMD-SIP finansiert av Landbruksog matdepartementet

Recycling organic waste - effects on soil quality, plant nutrient supply and environmental impact

Tildelt: kr 8,7 mill.

Return of organic wastes to soils is a step towards more closed nutrient cycles, greater sustainability and reduced environmental loads. Because of the enormously variation of availability of plant nutrient as nitrogen and phosphorus between different org anic waste types, there is a great demand for increased knowledge about the potential nitrogen fertilization effects and plant availability of P. In this research programme special emphasis will be made on phosphorus in different organic waste types. The studies will include effects of different treatments on P sorption and availability, and potential for leaching and loss to water bodies. Studies on influence of organic waste of different origin on selected soil quality indicators will also be performed. The results from experimental studies will be used for resource assessment of nitrogen and phosphorus recycling. The outcome of the research programme will be relevant for producers and users of organic waste, and may lead differentiated recommendations for use of organic waste and suggestions for revision of regulations for such use.


SIP-LMD-SIP finansiert av Landbruksog matdepartementet