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Soil nitrate sources and nitrate leaching losses, Slapton, South Devon

Trudgill, S. T. and Burt, T. P. and Heathwaite, A. Louise and Arkell, B. P. (1991) Soil nitrate sources and nitrate leaching losses, Slapton, South Devon. Soil Use and Management, 7 (4). pp. 200-206.

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Abstract

Concentrations of soil nitrate were measured in areas of different land use within a small drainage basin. From previous work on nitrate losses from subcatchments, soil nitrate levels were expected in the order arable > grassland > woodland. Although differences were detected, they were not consistent and seasonal variations in soil nitrate for the same land use were greater than those between land uses. Seasonal fluctuations in stream nitrate loads were not strongly related to the seasonal differences in soil nitrate levels but were more closely related to stream discharge and antecedent climatic conditions. Losses of nitrate from the catchment seemed to be transport limited and independent of variations in soil nitrate supply; the implication is that water quality control by land use manipulation will only be successful in supply limited situations when leaching losses are sensitive to variations in soil nitrate supply.

Item Type: Article
Journal or Publication Title: Soil Use and Management
Additional Information: Soil nitrate sources and nitrate leaching losses, Slapton, South Devon 15 cites: http://scholar.google.com/scholar?num=100&hl=en&lr=&cites=14738777757800341587
Subjects:
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 49805
Deposited By: ep_importer_pure
Deposited On: 19 Sep 2011 14:11
Refereed?: Yes
Published?: Published
Last Modified: 09 Apr 2014 22:42
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/49805

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