• Geology
  • Published 2007

Managing natural processes in drainage ditches for nonpoint source phosphorus control

@inproceedings{Sharpley2007ManagingNP,
  title={Managing natural processes in drainage ditches for nonpoint source phosphorus control},
  author={Andrew N. Sharpley and Tore Krogstad and Peter J. A. Kleinman and B. E. Haggard},
  year={2007}
}
Drainage ditches are an integral part of agricultural landscapes in many areas. We evaluated the effect of physical, chemical, and biological properties of three sources of ditch sediments on phosphorus (P) transport in the ditches. Using an indoor "fluvarium," we found that sediments from ditches draining agricultural areas maintained an appreciably higher dissolved reactive P (DRP) concentration in flowing water (0.374 mg L -1 [0.374 ppm]) than did forested sediments (0.006 mg L -1 ). The… CONTINUE READING

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