Water was sampled from a ditch at least every 24 hrs from November 2003 to February 2004. This was performed both upstream and downstream of the field. Additionally, water from a drain from the control strip and ponds in the field have been sampled. Extensive soil sampling has been performed at approximately monthly intervals. Water and soil have been analysed for nutrient concentrations.
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 Drain from the control strip discharging into the ditch.
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