Herbicides and nitrate in near-surface aquifers in the midcontinental United States, 1991 /

Source of nitrate in water of the Edwards aquifer, south Central Texas /
by: Browning, Lawrence Anthony, 1948-
Published: (1977)

Nitrates in ground water : selected papers from the European meeting of the International Association of Hydrogeologists, Wisla, Poland, 4-7 June 2002 /
Published: (2005)

Herbicide metabolites in surface water and groundwater /
Published: (1996)

Occurrence and distribution of nitrate and herbicides in the Iowa River alluvial aquifer, Iowa--May 1984 to November 1985 /
by: Detroy, Mark G., et al.
Published: (1988)

Herbicide metabolites in surface water and groundwater : developed from a symposium sponsored by the Division of Agrochemicals and the Division of Environmental Chemistry, Inc., at the 209th National Meeting of the American Chemical Society, Anaheim, California, April 2-6, 1995 /
Published: (1996)

Management systems to reduce impact of nitrates /
Published: (1989)

Distribution of selected herbicides and nitrate in the Mississippi River and its major tributaries, April through June 1991 /
by: Goolsby, D. A.
Published: (1991)

Distribution of selected herbicides and nitrate in the Mississippi River and its major tributaries, April through June 1991 /
by: Goolsby, D. A., et al.
Published: (1991)

Nitrate water activities /
Published: (1972)

Relations of nonpoint-source nitrate and atrazine concentrations in the High Plains aquifer to selected explanatory variables in six Nebraska study areas /
by: Druliner, A. D., et al.
Published: (1996)

Managing risks of nitrates to humans and the environment /
Published: (1999)

Acetamide herbicides and their degradation products in ground water and surface water of the United States, 1993-2003 /
by: Scribner, Elisabeth A.
Published: (2004)

A reconnaissance for sulfonylurea herbicides in waters of the midwestern USA : an example of collaboration between the public and private sectors /
by: Battaglin, William A.
Published: (1998)

Summary of significant results from studies of triazine herbicides and their degradation products in surface water, ground water, and precipitation in the midwestern United States during the 1990s /
Published: (2005)

Fate of DDT and nitrate in ground water /
Published: (1968)

Nitrate (NO₂+NO₃-N) in ground water of the Upper Snake River Basin, Idaho and western Wyoming, 1991-95 /
by: Rupert, Michael, 1959-
Published: (1997)

Work plan for determining the occurrence of glyphosate, its transformation product AMPA, other herbicide compounds, and antibiotics in midwestern United States streams, 2002 /
Published: (2003)

Nitrates-agriculture-eau : international symposium /
Published: (1990)

Concentration of selected sulfonylurea, sulfonamide, and imidazolinone herbicides, other pesticides, and nutrients in 71 streams, 5 reservoir outflows, and 25 wells in the midwestern United States, 1998 /
by: Battaglin, William A.
Published: (2001)

Concentration of selected sulfonylurea, sulfonamide, and imidazolinone herbicides, other pesticides, and nutrients in 71 streams, 5 reservoir outflows, and 25 wells in the midwestern United States, 1998 /
by: Battaglin, William A.
Published: (2001)

Herbicides and their transformation products in source-water aquifers tapped by public-supply wells in Illinois, 2001-02 /
by: Mills, Patrick C.
Published: (2004)

Nitrate in the Columbia aquifer, central Delmarva Peninsula, Maryland /
by: Bachman, L. Joseph
Published: (1984)

Delano nitrate investigation.
Published: (1968)

Nitrate in the Columbia aquifer, central Delmarva Peninsula, Maryland /
by: Bachman, L. Joseph
Published: (1984)

Nitrate contamination : exposure, consequence, and control /
Published: (1991)

Water quality and possible sources of nitrate in the Cimarron Terrace Aquifer, Oklahoma, 2003 /
by: Masoner, Jason R.
Published: (2004)

Distribution, movement, and fate of nitrate in the surficial aquifer beneath citrus groves, Indian River, Martin, and St. Lucie Counties, Florida /
by: Crandall, Christy A.
Published: (2000)

Farming, fertilizers and the nitrate problem /
by: Addiscott, T, M.
Published: (1991)

Herbicides in midwestern reservoir outflows, 1992-93 /
by: Stamer, J. K.
Published: (1998)

Pesticides in air and rainwater in the midcontinental United States, 1995 methods and data /
Published: (2008)

Occurrence and distribution of nitrate and selected pesticides in ground water in Missouri, 1986-94 /
by: Wilkison, Donald H.
Published: (1996)

Assessment of nitrate contamination of the upper aquifer in the Manatí-Vega Baja area, Puerto Rico /
by: Conde-Costas, Carlos
Published: (1999)

Nitrates : an environmental assessment : a report /
Published: (1978)

Nitrogen, fertilizer management of vigorous lemons and nitrate-pollution potential of groundwater /
Published: (1980)

Assessment of nitrate contamination of the upper aquifer in the Manatí-Vega Baja area, Puerto Rico /
by: Conde-Costas, Carlos, et al.
Published: (1999)

Nitrate and selected pesticides in ground water of the Mid-Atlantic region /
by: Ator, Scott W., et al.
Published: (1997)