The use of indicators for the identification of phosphorus transfer from agricultural land to surface waters

Research output: Book/ReportReportProfessional

Abstract

Increased loading of agricultural soils with phosphorus (P) has been directly associated with P transfer from soil to surface waters, contributing to eutrophication. Policies and measures have been implemented to decrease the P loading. To evaluate the effectiveness of these policies and measures, we propose indicators, selected from literature, which are suitable for the assessment of the potential risk of P transfer at the field level. Our study focuses mainly on simple 'soil' indicators of the potential risk of P transfer only. The indicators were qualitatively assessed on basis of the selection criteria purposive, measurable and reactive. Based on these criteria, P in soil solution and Pw have been selected for testing in a field experiment.
Original languageEnglish
Place of PublicationWageningen
PublisherAlterra
Number of pages54
Publication statusPublished - 2003

Publication series

NameAlterra-rapport
PublisherAlterra
No.793
ISSN (Print)1566-7197

Keywords

  • soil chemistry
  • phosphates
  • leaching
  • soil water
  • surface water
  • agricultural soils
  • indicators
  • soil test values
  • risk assessment
  • water pollution
  • netherlands

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