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Nitrate-Nitrogen Losses through Subsurface Drainage under Various Agricultural Land Covers

Dates

Year
2010

Citation

Qi, Zhiming, Helmers, Matthew J., Christianson, Reid D., and Pederson, Carl H., 2010, Nitrate-Nitrogen Losses through Subsurface Drainage under Various Agricultural Land Covers: J. Environ. Qual., v. 40, no. 5, p. 1578-1585.

Summary

Nitrate-nitrogen (NO3–N) loading to surface water bodies from subsurface drainage is an environmental concern in the midwestern United States. The objective of this study was to investigate the effect of various land covers on NO3–N loss through subsurface drainage. Land-cover treatments included (i) conventional corn (Zea mays L.) (C) and soybean [Glycine max (L.) Merr.] (S); (ii) winter rye (Secale cereale L.) cover crop before corn (rC) and before soybean (rS); (iii) kura clover (Trifolium ambiguum M. Bieb.) as a living mulch for corn (kC); and (iv) perennial forage of orchardgrass (Dactylis glomerata L.) mixed with clovers (PF). In spring, total N uptake by aboveground biomass of rye in rC, rye in rS, kura clover in kC, and grasses [...]

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  • National and Regional Climate Adaptation Science Centers
  • Northeast CASC

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Type Scheme Key
DOI http://sciencebase.gov/vocab/identifierScheme 10.2134/jeq2011.0151

Citation Extension

citationTypeJournal Article
journalJ. Environ. Qual.
parts
typePages
value1578-1585
typeVolume
value40
typeNumber
value5

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