How accurate is the assessment of phosphorus pools in poultry litter by sequential extraction?

@article{Hunger2005HowAI,
  title={How accurate is the assessment of phosphorus pools in poultry litter by sequential extraction?},
  author={Stefan Hunger and J. Thomas Sims and Donald Lewis Sparks},
  journal={Journal of environmental quality},
  year={2005},
  volume={34 1},
  pages={382-9}
}
Amending poultry litter with Al sulfate (alum) has proven effective in reducing water-soluble P in the litter and in runoff from fields that have received litter applications. Although its effectiveness has been demonstrated on a macroscopic scale in the field or in the poultry houses, little is known about P speciation in either alum-amended or unamended litter. This knowledge is important for the evaluation of long-term stability and bioavailability of P, which is a necessary prerequisite for… CONTINUE READING
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