Search Results - "Koskinen, W. C"

Influence of biochar amendments on the sorption–desorption of aminocyclopyrachlor, bentazone and pyraclostrobin pesticides to an agricultural soil by Cabrera, A., Cox, L., Spokas, K., Hermosín, M.C., Cornejo, J., Koskinen, W.C.

“…The many advantageous properties of biochar have led to the recent interest in the use of this carbonaceous material as a soil amendment. However, there are…”
Get full text

Impacts of woodchip biochar additions on greenhouse gas production and sorption/degradation of two herbicides in a Minnesota soil by Spokas, K.A., Koskinen, W.C., Baker, J.M., Reicosky, D.C.

“…A potential abatement to increasing levels of carbon dioxide (CO 2) in the atmosphere is the use of pyrolysis to convert vegetative biomass into a more stable…”
Get full text

Heavy metal adsorption by montmorillonites modified with natural organic cations by Cruz-Guzman, M, Celis, R, Hermosin, M.C, Koskinen, W.C, Nater, E.A, Cornejo, J

“…Agricultural and industrial pollution release large amounts of heavy metals into the atmosphere, surface water, soil, and plants. The protection and…”
Get full text

Phenolic acid sorption to biochars from mixtures of feedstock materials by Hall, K. E, Calderon, M. J, Spokas, K. A, Cox, L, Koskinen, W. C, Novak, J, Cantrell, K

“…In an effort to customize biochars for soil amendments, multiple feedstocks have been combined in various ratios prior to pyrolysis. The resulting variation in…”
Get full text

Sorption of the herbicide aminocyclopyrachlor by cation-modified clay minerals by Cabrera, A., Trigo, C., Cox, L., Celis, R., Hermosin, M. C., Cornejo, J., Koskinen, W. C.

“…Aminocyclopyrachlor (6‐amino‐5‐chloro‐2‐cyclopropyl‐4‐pyrimidinecarboxylic acid), a new herbicide, was approved by US‐EPA (United States Environmental…”
Get full text

Sorption of a hydrophilic pesticide : Effects of soil water content by OCHSNER, T. E, STEPHENS, B. M, KOSKINEN, W. C, KOOKANA, R. S

“…Transport of pesticide to groundwater is governed in part by sorption of the pesticide to soil particles. Sorption may be dependent on soil moisture…”
Get full text

Sorption and leaching potential of herbicides on Brazilian soils by Oliveira Jr, R S, Koskinen, W C, Ferreira, F A

“…Sorption of the herbicides alachlor, atrazine, dicamba, hexazinone, imazethapyr, metsulfuron‐methyl, nicosulfuron, simazine and sulfometuron‐methyl was…”
Get full text

Atrazine desorption from smectites by Barriuso, E. (INRA, Thiverval-Grignon, France.), Laird, D.A, Koskinen, W.C, Dowdy, R.H

“…In soils low in organic matter, pesticide adsorption and desorption by clay minerals may strongly influence the fate of pesticides in soil environments,…”
Get full text

Evaluation of Accelerated Solvent Extraction (ASE) for Analysis of Pesticide Residues in Soil by Gan, J, Papiernik, S. K, Koskinen, W. C, Yates, S. R

“…Accelerated solvent extraction, or ASE, is a new extraction technique that is similar in principle to Soxhlet extraction, but the use of elevated temperature…”
Get full text

Use of Organosmectites to Reduce Leaching Losses of Acidic Herbicides by Carrizosa, M. J., Hermosin, M. C., Koskinen, W. C., Cornejo, J.

“…The modification of smectitic clays with organic cations via cation‐exchange reactions produces sorbents with an increased sorption capacity for organic…”
Get full text

Sorption-desorption of atrazine and simazine by model soil colloidal components by Celis, R. (Instituto de Recursos Naturales y Agrobiologia de Sevilla, Spain.), Cornejo, J, Hermosin, M.C, Koskinen, W.C

“…Sorption-desorption of atrazine and simazine on montmorillonite, ferrihydrite, and humic acid was determined using the batch equilibration procedure. Sorption…”
Get full text

Sorption of imidacloprid on soil clay mineral and organic components by Cox, L. (Univ. of Minnesota, St. Paul, MN.), Koskinen, W.C, Celis, R, Yen, P.Y, Hermosin, M.C, Cornejo, J

“…Soil clay mineral and organic components have been shown to be responsible for sorption of many pesticides. This study assessed the influence of the different…”
Get full text

Effect of Exogenous Carbon on Movement of Simazine and 2,4‐D in Soils by Cox, L., Cecchi, A., Celis, R., Hermosín, M. C., Koskinen, W. C., Cornejo, J.

“…Organic amendment (OA) addition is an agricultural practice that can greatly affect pesticide behavior in soil. The influence of three OAs, consisting of a…”
Get full text

Triadimefon Interactions with Organoclays and Organohydrotalcites by Celis, R., Koskinen, W.C., Hermosı´n, M.C., Ulibarri, M.A., Cornejo, J.

“…We determined the ability of several organoclays (octadecylammonium‐ and hexadecyltrimethylammonium‐exchanged montmorillonite) and organohydrotalcites…”
Get full text

Sorption of Atrazine and Simazine by Model Associations of Soil Colloids by Celis, R., Cornejo, J., Hermosín, M. C., Koskinen, W. C.

“…The effect of association processes between single model soil components (i.e., Ca‐saturated montmorillonite [CaSWy], ferrihydrite [Ferrih], and soil and…”
Get full text

Automated robotic assay of phosphomonoesterase activity in soils by Sadowsky, M.J, Koskinen, W.C, Seebinger, J, Barber, B.L, Kandeler, E

“…Phosphorus cycling in most ecosystems is dependent on plant and microbiologically derived phosphatase enzymes, and available P limits both microbial and plant…”
Get full text

Incorporating nonextractable atrazine residues into soil size fractions as a function of time by Barriuso, E. (INRA, Thiverval-Grignon, France.), Koskinen, W.C

“…Soil organic matter is directly implicated in pesticide nonextructable (bound) residues formation, but the role of different soil organic constituents is…”
Get full text

Sorption-desorption of 'aged' isoxaflutole and diketonitrile degradate in soil by Bresnahan, G.A, Koskinen, W.C, Dexter, A.G, Cox, L

“…Summary Isoxaflutole is a relatively new herbicide used for weed control in maize. The objective of this research was to increase the understanding of the…”
Get full text

Linuron Sorption−Desorption in Field-Moist Soils by Berglöf, Tomas, Koskinen, William C, Brücher, Jörg, Kylin, Henrik

“…Pesticide sorption or binding to soil is traditionally characterized using batch slurry techniques. The objective of this study was to determine linuron…”
Get full text

Influence of Soil pH−Sorption Interactions on Imazethapyr Carry-over by Bresnahan, Gail A, Koskinen, William C, Dexter, Alan G, Lueschen, William E

“…Soil pH affects imazethapyr sorption−desorption, which in turn can affect persistence and bioavailability. Long-term imazethapyr carry-over has been observed…”
Get full text