Phosphorus availability from the solid fraction of pig slurry is altered by composting or thermal treatment.

@article{Christel2014PhosphorusAF,
  title={Phosphorus availability from the solid fraction of pig slurry is altered by composting or thermal treatment.},
  author={Wibke Christel and Sander El-Zahery Bruun and Jakob Magid and L S Jensen},
  journal={Bioresource technology},
  year={2014},
  volume={169},
  pages={
          543-551
        }
}
The alteration of easily available phosphorus (P) from the separated solid fraction of pig slurry by composting and thermal processing (pyrolysis or combustion at 300-1000 °C) was investigated by water and acidic extractions and the diffusive gradients in thin films (DGT) technique. Temporal changes in P availability were monitored by repeated DGT application in three amended temperate soils over 16 weeks. P availability was found to decrease in the order: drying>composting>pyrolysis>combustion… CONTINUE READING
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