Search Results - "Casey, F.X.M"

Fate and Transport of 17β-Estradiol in Soil−Water Systems by Casey, Francis X. M, Larsen, Gerald L, Hakk, Heldur, Šimůnek, Jiří

“…Over the past several years, there has been an increase in concern regarding reproductive hormones in the environment. To date, there exists limited research…”
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Persistence and fate of 17β-estradiol and testosterone in agricultural soils by Fan, Zhaosheng, Casey, Francis X.M., Hakk, Heldur, Larsen, Gerald L.

“…Steroidal hormones are constantly released into the environment by man-made and natural sources. The goal of this study was to examine the persistence and fate…”
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Effects of liquid swine manure on dissipation of 17β-estradiol in soil by Zitnick, K.K., Shappell, N.W., Hakk, H., DeSutter, T.M., Khan, E., Casey, F.X.M.

“…17β-estradiol (E2), a natural estrogenic hormone, degrades within hours and bind strongly to soils and sediments; however, estrogens are frequently detected in…”
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Sorption, mobility, and transformation of estrogenic hormones in natural soil by Casey, F.X.M, Simunek, J, Lee, J, Larsen, G.L, Hakk, H

“…Potent estrogenic hormones are consistently detected in the environment at low concentration, yet these chemicals are strongly sorbed to soil and are labile…”
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Fate and Transport of Testosterone in Agricultural Soils by Casey, Francis X. M., Hakk, Heldur, Šimůnek, Jiří, Larsen, Gerald L.

“…Hormones excreted in animal waste have been measured in surface and groundwater associated with manure that is applied to the land surface. Limited studies…”
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A feasibility study of immobilized and free mixed culture bioaugmentation for treating atrazine in infiltrate by Siripattanakul, Sumana, Wirojanagud, Wanpen, McEvoy, John M., Casey, Francis X.M., Khan, Eakalak

“…A feasibility study of phosphorylated-polyvinyl alcohol immobilized and free mixed bacterial culture bioaugmentation for removing atrazine in agricultural…”
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Occurrence and pathways of manure-borne 17b-estradiol in vadose zone water by Thompson, M L, Casey, F.X.M., Khan, E, Hakk, H, Larsen, G L, DeSutter, T

“…The hormone 17b-estradiol (E2) can cause endocrine disruption in sensitive species at part per trillion concentrations. The persistence and transport pathways…”
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Interactions of nitrogen, weather, soil, and irrigation on corn yield. [Erratum: 2005 Nov-Dec, v. 97, no. 6, p. 1657.] by Derby, N.E, Steele, D.D, Terpstra, J, Knighton, R.E, Casey, F.X.M

“…Numerous factors that affect corn yield in the Northern Great Plains are not considered in current N fertilizer recommendations. A linear model to describe the…”
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Discerning and Modeling the Fate and Transport of Testosterone in Undisturbed Soil by Fan, Z, Casey, F.X.M, Hakk, H, Larsen, G.L

“…Testosterone is an endocrine disruptor that is released into the environment from natural and anthropogenic sources. The objective of this study was to achieve…”
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Comparison of Nitrogen Management Zone Delineation Methods for Corn Grain Yield by Derby, N.E, Casey, F.X.M, Franzen, D.W

“…It is important for today's farmer to manage his fields efficiently to maximize economic return and minimize environmental impacts. Managing agricultural…”
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Development and evaluation of a simplified mechanistic-stochastic method for field-scale solute transport prediction by Lee, J, Casey, F.X.M

“…Field-scale solute transport is extremely complex due to the variability of soil properties. In this paper, a mechanistic-stochastic procedure for predicting…”
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Measurement of field soil hydraulic and solute transport parameters by Casey, F.X.M. (Iowa State Univ., Ames, IA.), Logsdon, S.D, Horton, R, Jaynes, D.B

“…Agricultural chemical presence in groundwater has drawn attention toward transport processes occurring in soil. Hydraulic conductivity (K) and water-holding…”
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Immobile water content and mass exchange coefficient of a field soil by Casey, F.X.M. (Iowa State Univ., Ames, IA.), Logsdon, S.D, Horton, R, Jaynes, D.B

“…Determining the preferential flow characteristics of a soil is important because agrichemicals can contaminate groundwater via preferential flow pathways. A…”
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Comparing field methods that estimate mobile-immobile model parameters by Casey, F.X.M, Jaynes, D.B, Horton, R, Logsdon, S.D

“…Recent studies have used field techniques that estimate soil hydraulic and solute transport parameters. These methods utilize a tension infiltrometer to…”
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