A model for phosphorus transformation and runoff loss for surface-applied manures.

  title={A model for phosphorus transformation and runoff loss for surface-applied manures.},
  author={Peter A. Vadas and William J. Gburek and Andrew N. Sharpley and Peter J. A. Kleinman and Philip A. Moore and M de Los {\'A}ngeles Cabrera and R. D. Harmel},
  journal={Journal of environmental quality},
  volume={36 1},
Agricultural P transport in runoff is an environmental concern. An important source of P runoff is surface-applied, unincorporated manures, but computer models used to assess P transport do not adequately simulate P release and transport from surface manures. We developed a model to address this limitation. The model operates on a daily basis and simulates manure application to the soil surface, letting 60% of manure P infiltrate into soil if manure slurry with less than 15% solids is applied… CONTINUE READING
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