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The agricultural industry faces a considerable challenge in meeting increasing demand for food and alternative fuels, particularly because of the combined pressure to reduce environmental impact and adapt to climatic change. Maintaining resilient soils is central to meeting these challenges.
The nutrient content of solid manures and slurries can vary considerably from the typical values presented in Defra's Fertiliser Manual (RB209), published in 2010. Given this variability and the increasing cost of manufactured fertiliser it is worthwhile analysing nutrient content of solid manures and slurries.