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Nebraska's groundwater legacy: Nitrate contamination beneath irrigated cropland

A 31 year record of ∼44,000 nitrate analyses in ∼11,500 irrigation wells was utilized to depict the decadal expansion of groundwater nitrate contamination (N ≥ 10 mg/L) in the irrigated corn-growing areas of eastern and central Nebraska and analyze long-term nitrate concentration trends in 17 manage...

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Dettagli Bibliografici
Pubblicato in:Water Resour Res
Autori principali: Exner, Mary E, Hirsh, Aaron J, Spalding, Roy F
Natura: Artigo
Lingua:Inglês
Pubblicazione: BlackWell Publishing Ltd 2014
Soggetti:
Accesso online:https://ncbi.nlm.nih.gov/pmc/articles/PMC4280893/
https://ncbi.nlm.nih.gov/pubmed/25558112
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1002/2013WR015073
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