Sewage sludge application to land is the principal way of deriving a beneficial use for sludge by recycling plant nutrients and organic matter for crop production. It is becoming ever more important as other options for the disposal of sewage sludge are diminishing. Agricultural application also provides a cost-effective method of sludge disposal, but it is essential that sludge recycling in agriculture is regulated to minimize potential environmental problems. This text, based on work funded by the Foundation for Water Research, provides an overview of the environmental impact of sludge application to agricultural land and relates it to other accepted agricultural practices. It puts the potential environmental effects into perspective and distinguishes between perceived and real risk. It is a contribution to thinking on this increasingly important topic and is relevant to students and researchers in soil, crop and environmental science. It will also be useful for all those involved in the waste and water industries.
Sprache
Verlagsort
Wallingford
Großbritannien
Zielgruppe
Für höhere Schule und Studium
Für Beruf und Forschung
Illustrationen
Maße
ISBN-13
978-0-85198-980-8 (9780851989808)
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Schweitzer Klassifikation
Potentially Toxic Elements (PTEs) in sewage sludge and sludge-treated soils; effects of PTEs on the yield of agricultural crops; human dietary intake of PTEs from agricultural crops by soil ingestion; factors influencing bioavailability of PTEs to crop plants; ingestion of PTEs by grazing livestock - implications for animal health and the human food chain; mobility of PTEs in soil and impacts on water quality; effects of PTEs on soil fertility and natural ecosystems; nutrients; organic pollutants; Appendix: Legislation and codes of practice.