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Nitrate in river and subsurface drainage flows from an east central Illinois watershed

Dates

Year
1999

Citation

Mitchell, JK, McIsaac, GF, Walker, SE, and Hirschi, MC, 1999, Nitrate in river and subsurface drainage flows from an east central Illinois watershed: Transactions of the ASAE, v. 43, no. 2, p. 337-342.

Summary

The objective of this study was to quantify the effects of crop management systems on the movement of nitrate to a drinking water reservoir in a watershed with intensive row-crop agriculture and sub-surface drainage in eastern Illinois (USA). Nitrate concentrations and sub-surface tile flow were monitored for six years at fields with various tillage and cropping management practices; the eight tile systems drained areas varying from 3 to 21 ha. Nitrate concentrations were also determined at various locations along the main stream of the watershed at locations that defined watershed sizes from 6910 to 48 900 ha. Concentrations of nitrate-N in the river followed a pronounced seasonal cycle, with maximum concentrations between 10 and [...]

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  • National and Regional Climate Adaptation Science Centers
  • Northeast CASC

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Type Scheme Key
ISSN http://sciencebase.gov/vocab/identifierScheme 0001-2351

Citation Extension

citationTypeJournal Article
journalTransactions of the ASAE
parts
typePages
value337-342
typeVolume
value43
typeNumber
value2

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