Search Results - "Isensee, Allan R"

Influence of hairy vetch residue on atrazine and metolachlor soil solution concentration and weed emergence by Teasdale, John R., Shelton, Daniel R., Sadeghi, Ali M., Isensee, Allan R.

“…High levels of cover-crop residue can suppress weed emergence and also can intercept preemergence herbicides and potentially reduce their effectiveness. This…”
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Runoff Loss of Pesticides and Soil: A Comparison between Vegetative Mulch and Plastic Mulch in Vegetable Production Systems by Rice, Pamela J., McConnell, Laura L., Heighton, Lynne P., Sadeghi, Ali M., Isensee, Allan R., Teasdale, John R., Abdul‐Baki, Aref A., Harman‐Fetcho, Jennifer A., Hapeman, Cathleen J.

“…ABSTRACT Current vegetable production systems use polyethylene (plastic) mulch and require multiple applications of agrochemicals. During rain events, runoff…”
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Influence of soil texture and tillage on herbicide transport by Sadeghi, Ali M, Isensee, Allan R, Shirmohammadi, Adel

“…Two long-term no-till corn production studies, representing different soil texture, consistently showed higher leaching of atrazine…”
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Influence of hairy vetch residue on atrazine and metolachlor soil solution concentration and weed emergence by Teasdale, John R., Shelton, Daniel R., Sadeghi, Ali M., Isensee, Allan R.

“…High levels of cover-crop residue can suppress weed emergence and also can intercept preemergence herbicides and potentially reduce their effectiveness. This…”
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Atrazine distribution measured in soil and leachate following infiltration conditions by Neurath, Susan K, Sadeghi, Ali M, Shirmohammadi, Adel, Isensee, Allan R, Torrents, Alba

“…Atrazine transport through packed 10 cm soil columns representative of the 0–10 cm soil horizon was observed by measuring the atrazine recovery in the total…”
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Impact of hairy vetch cover crop on herbicide transport under field and laboratory conditions by Sadeghi, Ali M, Isensee, Allan R

“…This study was conducted to evaluate the effect of hairy vetch cover crop residue on runoff losses of atrazine and metolachlor under both no-till corn field…”
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Effects of drinking water treatment residue on phosphorus in runoff from poultry litter by Codling, E.E, Isensee, A.R

“…The application of poultry litter to cropland is based on the nitrogen needs of the crop, and such practice has resulted in excess buildup of soil phosphorus…”
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Spatial variability in the upper soil layer of a no-till field using a small-scale dye experiment by Neurath, S.K, Sadeghi, A.M, Shirmohammadi, A, Isensee, A.R, Sefton, K.A, Torrents, A

“…Small scale (33 cm by 33 cm) dye experiments were performed to evaluate the spatial variation of infiltration by evaluating dye distribution within the upper…”
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Comparison of copper levels in runoff from fresh-market vegetable production using polyethylene mulch or a vegetative mulch by Rice, Pamela J., McConnell, Laura L., Heighton, Lynne P., Sadeghi, Ali M., Isensee, Allan R., Teasdale, John R., Abdul-Baki, Aref A., Harman-Fetcho, Jennifer A., Hapeman, Cathleen J.

“…Runoff from tomato (Lycopersicon esculentum Mill.) production with polyethylene mulch has been implicated in the failure of commercial shellfish farms in the…”
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Distribution of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) in aquatic model ecosystem by Isensee, Allan R, Jones, Gerald E

“…Tabulated and graphical data are given on the uptake of TCDD by various components of a model aquatic ecosystem. Accumulation of TCDD by all the organisms was…”
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Long-term effect of tillage and rainfall on herbicide leaching to shallow groundwater by ISENSEE, A. R, SADEGHI, A. M

“…The effects of tillage methods and rainfall quantities on the leaching of several herbicides to shallow groundwater were investigated over a 4-year period…”
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Impact of burn-down herbicides on atrazine washoff from vegetation by Isensee, Allan R., Sadeghi, Ali M., Mylavarapu, Rao S.

“…Crop residue and living vegetation in no-till fields can intercept large amounts of the pesticides applied at the time of planting. Previous studies have shown…”
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Effects of Tillage and Rainfall on Atrazine Residue Levels in Soil by Isensee, Allan R., Sadeghi, Ali M.

“…A field study was conducted in 1987 to 1991 to determine the effect of tillage and rainfall on distribution of atrazine in soil. Soil samples (10-cm increments…”
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Interactions of tillage and rainfall on atrazine leaching under field and laboratory conditions by Isensee, Allan R., Sadeghi, Ali M.

“…Laboratory studies were conducted to evaluate effects of tillage reversal and rainfall on 14C-atrazine (2-chloro4-ethylamino-6-isopropylamino- s -triazine)…”
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Effect of tillage on atrazine bioavailability by Shelton, D.R. (USDA-ARS, Environmental Chemistry Laboratory, Beltsville, MD.), Sadeghi, A.M, Isensee, A.R

“…Studies were conducted to determine atrazine sorption (partitioning), bioavailability (soil solution concentrations), and dissipation in the top 0 to 1.5, 1.5…”
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Effect of tillage age on herbicide dissipation : A side-by-side comparison using microplots by SADEGHI, A. M, ISENSEE, A. R, SHELTON, D. R

“…This study was designed to compare rates of herbicide dissipation and leaching in side-by-side microplots that have been under no-till and plow-till practices…”
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Influence of Tillage, Antecedent Moisture, and Rainfall Timing on Atrazine Transport by Sigua, Gilbert C., Isensee, Allan R., Sadeghi, Alim

“…Laboratory studies were conducted to determine the effect of rainfall timing and antecedent moisture on atrazine leaching through intact soil cores taken from…”
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Soil persistence and metabolism of N-sec-butyl-4-tert-butyl-2,6-dinitroaniline by Kearney, Philip C, Plimmer, Jack R, Williams, Virginia P, Klingebiel, Ute I, Isensee, Allan R, Laanio, Tapio L, Stolzenberg, Gary E, Zaylskie, Richard G

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Dissipation of alachlor under in situ and simulated vadose zone conditions by ISENSEE, A. R

“…A field study was conducted to determine the effect of in-situ conditions 0, 30 and 100 cm below the soil surface on the degradation of alachlor in…”
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Estimation of granular carbofuran dissolution rates in soil by Shelton, Daniel R, Sadeghi, Ali M, Isensee, Allan R

“…Losses of efficacy are due to rates of microbial degradation which exceed rates of granular leaching/ dissolution, resulting in carbofuran concentrations below…”
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