Well water quality, well vulnerability, and agricultural contamination in the midwestern United States

Autor:	Richards, R. Peter, Baker, David B., Merryfield, Barbara J., Kramer, Jack W., Ewing, D. Ellen, Creamer, Nancy L., Wallrabenstein, Laura K.
Předmět:	*Nitrates *Herbicides *Groundwater pollution *Water quality
Zdroj:	Journal of Environmental Quality. May/Jun1996, Vol. 25 Issue 3, p389. 0p.
Databáze:	GreenFILE
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