Effect of an agri-environmental measure on nitrate leaching from a beef farming system in Ireland

Effect of an agri-environmental measure on nitrate leaching from a beef farming system in Ireland 1 Introduction</h5> Improving water quality in Ireland, in particular for the eutrophication in lakes, rivers and coasts, remains one of the key environmental challenges ( Fenton et al., 2011; Toner et al., 2005 ). Among the substances responsible for eutrophication, nitrate (NO 3 − –N) leaching from agricultural soils is by far the most important contributor ( Nguyen et al., 2010 ). There has been considerable legislation, at the European and national levels, which has lead to the introduction of the Nitrates Directive (1991/676/EC) and the Water Framework Directive (2000/60/EC). Both of these legislative instruments require mandatory actions and measures to be introduced to ensure good water quality ( Stark and Richards, 2008 ). The 2007–2009 biological surveys ( McGarrigle et al., 2010 ) has shown another slight improvement in overall surface water quality, with 69% of river channel length classified as unpolluted. On the other hand national groundwater quality is still under threat as 40% of the monitoring locations showed 10–25 mg NO 3 − L −1 , 16% of the monitoring locations exceeded 25 mg L −1 NO 3 − and 3% exceeded 50 mg L −1 NO 3 − ( Craig et al., 2010 ).</P>In http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Agriculture, Ecosystems & Environment Elsevier

Effect of an agri-environmental measure on nitrate leaching from a beef farming system in Ireland

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Publisher
Elsevier
Copyright
Copyright © 2015 Elsevier B.V.
ISSN
0167-8809
D.O.I.
10.1016/j.agee.2014.12.020
Publisher site
See Article on Publisher Site

Abstract

1 Introduction</h5> Improving water quality in Ireland, in particular for the eutrophication in lakes, rivers and coasts, remains one of the key environmental challenges ( Fenton et al., 2011; Toner et al., 2005 ). Among the substances responsible for eutrophication, nitrate (NO 3 − –N) leaching from agricultural soils is by far the most important contributor ( Nguyen et al., 2010 ). There has been considerable legislation, at the European and national levels, which has lead to the introduction of the Nitrates Directive (1991/676/EC) and the Water Framework Directive (2000/60/EC). Both of these legislative instruments require mandatory actions and measures to be introduced to ensure good water quality ( Stark and Richards, 2008 ). The 2007–2009 biological surveys ( McGarrigle et al., 2010 ) has shown another slight improvement in overall surface water quality, with 69% of river channel length classified as unpolluted. On the other hand national groundwater quality is still under threat as 40% of the monitoring locations showed 10–25 mg NO 3 − L −1 , 16% of the monitoring locations exceeded 25 mg L −1 NO 3 − and 3% exceeded 50 mg L −1 NO 3 − ( Craig et al., 2010 ).</P>In

Journal

Agriculture, Ecosystems & EnvironmentElsevier

Published: Apr 1, 2015

References

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