Quantifying pore-size spectrum of macropore-type preferential pathways von Kung, K.J.S, Hanke, M, Helling, C.S, Kladivko, E.J, Gish, T.J, Steenhuis, T.S, Jaynes, D.B

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Impact of preferential flow at varying irrigation rates by quantifying mass fluxes von Gish, T.J, Kung, K.J.S, Perry, D.C, Posner, J, Bubenzer, G, Helling, C.S, Kladivko, E.J, Steenhuis, T.S

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Identification of Erythroxylum taxa by AFLP DNA analysis von Johnson, E.L, Saunders, J.A, Mischke, S, Helling, C.S, Emche, S.D

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Quantifying the Pore Size Spectrum of Macropore-Type Preferential Pathways under Transient Flow von Kung, K.J.S, Kladivko, E.J, Helling, C.S, Gish, T.J, Steenhuis, T.S, Jaynes, D.B

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IMPACT OF PESTICIDES ON SHALLOW GROUNDWATER QUALITY von GISH, T.J, ISENSEE, A.R, NASH, R.G, HELLING, C.S

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Simulating impact of funnel flow on contaminant sampling von Ju, S.H. (University of Wisconsin, Madison, WI.), Kung, K.J.S, Helling, C.S

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TRANSPORT COMPARISON OF TECHNICAL GRADE AND STARCH-ENCAPSULATED ATRAZINE von Gish, T.J. (USDA, ARS, Hydrology Laboratory, National Resources Institute, Beltsville, MD), Schoppet, M.J, Helling, C.S, Shirmohammadi, A, Schreiber, M.M, Wing, R.E

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Persistence and leaching of atrazine, alachlor, and cyanazine under no-tillage practices von Helling, Charles S., Zhuang, Wuji, Gish, Timothy J., Coffman, C.Benjamin, Isensee, Allan R., Kearney, Philip C., Hoagland, Dennis R., Woodward, Michael D.

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Simplified high-performance liquid chromatography method for the simultaneous analysis of tebuthiuron and hexazinone von Lydon, John, Engelke, Beatriz F., Helling, Charles S.

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Groundwater residues of atrazine, alachlor, and cyanazine under no-tillage practices von Isensee, Allan R., Helling, Charles S., Gish, Timothy J., Kearney, Philip C., Coffman, C.Benjamin, Zhuang, Wuji

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Fate of bound methyl parathion residues in soils as affected by agronomic practices von Gerstl, Zev, Helling, Charles S.

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Physicochemical and structural relationships of organic chemicals undergoing soil- and clay-catalyzed free-radical oxidation von Dragun, J, Helling, C.S

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Chemical transport under no-till field conditions von Gish, T.J., Zhuang, W., Helling, C.S., Kearney, P.C.

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Movement of cypermethrin, decamethrin, permethrin, and their degradation products in soil von Kaufman, Donald D, Russell, Beverly A, Helling, Charles S, Kayser, Anthony J

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Leaching of oxadiazon and phosalone in soils von Ambrosi, Dominique, Helling, Charles S

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Distribution, movement, persistence, and metabolism of N-nitrosoatrazine in soils and a model aquatic ecosystem von Kearney, Philip C, Oliver, James E, Helling, Charles S, Isensee, Allan R, Kontson, Arnold

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PREFERENTIAL MOVEMENT OF ATRAZINE AND CYANAZINE UNDER FIELD CONDITIONS von GISH, T.J, HELLING, C.S, MOJASEVIC, M

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Environmental fate of herbicides in Hawaii, Peru and Panama von Helling, C.S. (Department of Agriculture, Beltsville, MD (USA). Agricultural Research Service)

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Tetrachlorodibenzodioxin in the environment: sources, fate, and decontamination von Kearney, P.C, Woolson, E.A, Isensee, A.R, Helling, C.S

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Algae Bioassay Detection of Pesticide Mobility in Soils von Helling, Charles S., Kaufman, Donald D., Dieter, Charles T.

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