Distance and flow effects on microsphere transport in a large gravel column.

abstract：:Soils in the Fuyang valley (Zhejiang province, southeast China) have been contaminated by heavy metals. Since rice (Oryza sativa L.) is the dominant crop in the valley and because of its tendency to accumulate Cd in its grains, assessment of the human health risk resulting from consumption of locally produced rice is ...

journal_title：Journal of environmental quality

authors： Brus DJ,Li Z,Song J,Koopmans GF,Temminghoff EJ,Yin X,Yao C,Zhang H,Luo Y,Japenga J

更新日期：2009-04-27 00:00:00

abstract：:The impact of litter decomposition on chemical substrate properties and element leaching during early soil formation in afforested post-mine sites and the influence of different tree species are key issues in new ecosystem development. Scots pine ( L.) and common birch ( Roth) are important pioneering species used in ...

journal_title：Journal of environmental quality

authors： Woś B,Pietrzykowski M

更新日期：2015-07-01 00:00:00

abstract：:Many soils of the Mediterranean region with a semiarid climate are subjected to progressive degradation as a result of water erosion. Biosolids and municipal solid wastes (MSW) were surface-applied once at three rates (40, 80, and 120 Mg ha(-1)) to different plots in a degraded semiarid ecosystem. The study was conduc...

journal_title：Journal of environmental quality

authors： Martínez F,Cuevas G,Calvo R,Walter I

更新日期：2003-03-01 00:00:00

abstract：:Bioalkylation and colloid formation of selenium during selenate removal in upflow anaerobic sludge bed (UASB) bioreactors was investigated. The mesophilic (30 degrees C) UASB reactor (pH = 7.0) was operated for 175 d with lactate as electron donor at an organic loading rate of 2 g COD L(-1) d(-1) and a selenium loadin...

journal_title：Journal of environmental quality

authors： Lenz M,Smit M,Binder P,van Aelst AC,Lens PN

更新日期：2008-08-08 00:00:00

abstract：:Due to its resistance to many wastewater treatment processes, the antiepileptic drug carbamazepine (CBZ) is routinely found in wastewater effluent. Wastewater irrigation is an alternative to stream discharge of wastewater effluent, which utilizes the soil as a tertiary filter to remove excess nutrients and has the pot...

journal_title：Journal of environmental quality

authors： Walker CW,Watson JE,Williams C

更新日期：2012-07-01 00:00:00

abstract：:The purpose of this study was to determine the effect of PO on the sorption and transport of glyphosate [-(phosphonomethyl) glycine, GPS] in soils. The results of batch experiments indicated significant competition between PO and GPS in two different soils, with PO being preferentially sorbed. The 24-h Freundlich part...

journal_title：Journal of environmental quality

authors： Padilla JT,Selim HM

更新日期：2019-01-01 00:00:00

abstract：:Fish are commonly used for monitoring the quality of waters receiving pulp mill effluents (PMEs). Isotopic assays of fish tissues have the potential to provide empirical evidence to link an effluent source to exposure. We show in a 45-d factorial laboratory experiment that different exposure pathways lead to isotopic ...

journal_title：Journal of environmental quality

authors： Dubé MG,Benoy GA,Wassenaar LI

更新日期：2006-09-13 00:00:00

abstract：:There are few beneficial management practices (BMPs) with demonstrated efficacy in snowmelt-dominated regions. Small reservoirs are a BMP that can help mitigate flooding and reduce sediment transport, while reducing export of dissolved nutrients. To understand controls on nitrate removal and assess how this ecosystem ...

journal_title：Journal of environmental quality

authors： Gooding RM,Baulch HM

更新日期：2017-01-01 00:00:00

abstract：:Soils support ecosystem functions such as plant growth and water quality because of certain physical, chemical, and biological properties. These properties have been studied at different spatial scales, including point scales to satisfy basic research needs, and regional scales to satisfy monitoring needs. Recently, s...

journal_title：Journal of environmental quality

authors： Shirazi MA,Boersma L,Haggerty PK,Johnson CB

更新日期：2001-01-01 00:00:00

abstract：:An 8-yr field-scale study, 2005 to 2012, investigated effects of agricultural land use on nutrient and sediment losses during snowmelt runoff from four treatment fields in southern Manitoba. In 2005, two fields with a long-term history of annual crop (AC) production were planted to perennial forage (PF), while two oth...

journal_title：Journal of environmental quality

authors： Liu K,Elliott JA,Lobb DA,Flaten DN,Yarotski J

更新日期：2014-09-01 00:00:00

abstract：:Cotton (Gossypium hirsutum L.) defoliant runoff was recently identified as an ecological risk. However, assessments are not supported by field studies. Runoff potential of three defoliant active ingredients, dimethipin (2,3-dihydro-5,6-dimethyl-1,4-dithiin 1,1,4,4-tetraoxide), thidiazuron (N-phenyl-N-1,2,3-thidiazol-5...

journal_title：Journal of environmental quality

authors： Potter TL,Truman CC,Bosch DD,Bednarz CW

更新日期：2003-11-01 00:00:00

abstract：:Golf courses require extensive use of inputs to meet the needs of playability and aesthetics. The impact of these inputs on soil biological health is largely unknown. Two field trials were conducted at a golf course in Georgia to evaluate short-term effects of wetting agents (Cascade Plus and Duplex [C+D], Revolution ...

journal_title：Journal of environmental quality

authors： Diera AA,Raymer PL,Martinez-Espinoza AD,Bauske E,Habteselassie MY

更新日期：2020-07-01 00:00:00

abstract：:The objectives of this research were to evaluate nitrate N (NO³-N) leaching and turf response to nitrogen rate (NR) and irrigation regime (IR) in 'Floratam' St. Augustinegrass ( [Walt.] Kuntze.) and 'Empire' zoysiagrass ( Steud). The research was conducted in Citra, FL, from 2005 through 2007. Nitrogen (N) was applied...

journal_title：Journal of environmental quality

authors： Trenholm LE,Unruh JB,Sartain JB

更新日期：2012-05-01 00:00:00

abstract：:Farmers in eastern Colorado have commented that atrazine does not provide the length of weed control that they expected in fields that have received multiple applications of the herbicide. Multiple laboratory studies suggest that atrazine dissipates more rapidly in soils with a history of atrazine use compared with so...

journal_title：Journal of environmental quality

authors： Shaner DL,Henry WB

更新日期：2007-01-09 00:00:00

abstract：:Poultry litter (PL) is a by-product of broiler production. Most PL is land applied. Land-applied PL is a valuable nutrient source for crop production but can also be a route of environmental contamination with manure-borne bacteria. The objective of this study was to characterize the fate of pathogens, fecal indicator...

journal_title：Journal of environmental quality

authors： Cook KL,Netthisinghe AM,Gilfillen RA

更新日期：2014-09-01 00:00:00

abstract：:The Deckers Creek watershed in northern West Virginia (USA), containing a land area of 166 km2 (63 mi2), has a long history of industrial development and attendant environmental abuses from both land and water pollution practices. The water in Deckers Creek was sampled in 1974 at 29 locations along the main stem and r...

journal_title：Journal of environmental quality

authors： Stewart J,Skousen J

更新日期：2003-03-01 00:00:00

abstract：:Reactions of heavy metals with soil are important in determining metal fates in the environment. Sorption characteristics of two heavy metals, Cd and Pb, in three tropical soils (Mollisol, Oxisol, and Ultisol) from Puerto Rico were assessed at varying metal concentrations (0 to 1.2 mM) and pH values (approximately 2 t...

journal_title：Journal of environmental quality

authors： Appel C,Ma L

更新日期：2002-03-01 00:00:00

abstract：:Manure composting is a common management practice for cattle feedlots, but gaseous emissions from composting are poorly understood. The objective of this study was to quantify ammonia (NH3 ), nitrous oxide (N2 O), carbon dioxide (CO2 ), and methane (CH4 ) emissions from windrow composting (turning) and static stockpil...

journal_title：Journal of environmental quality

authors： Bai M,Flesch T,Trouvé R,Coates T,Butterly C,Bhatta B,Hill J,Chen D

更新日期：2020-01-01 00:00:00

abstract：:The potential of pesticides for nonpoint ground water pollution depends on their dissipation and leaching behavior in soils. We investigated the fate of 10 pesticides in two tropical soils of contrasting texture in the Brazilian Cerrado region near Cuiabá during an 80-d period, employing topsoil dissipation studies, s...

journal_title：Journal of environmental quality

authors： Laabs V,Amelung W,Pinto A,Zech W

更新日期：2002-01-01 00:00:00

abstract：:The former US Steel Corporation's South Works site in Chicago, IL, is a 230-ha bare brownfield consisting of steel mill slag fill materials that will need to be reclaimed to support and sustain vegetation. We conducted a case study to evaluate the suitability of biosolids and dredged sediments for capping the steel mi...

journal_title：Journal of environmental quality

authors： Brose DA,Hundal LS,Oladeji OO,Kumar K,Granato TC,Cox A,Abedin Z

更新日期：2016-01-01 00:00:00

abstract：:Riparian wetlands have been shown to be effective "sinks" for nitrate N (NO3-), minimizing the downstream export of N to streams and coastal water bodies. However, the vast majority of riparian denitrification research has been in agricultural and forested watersheds, with relatively little work on riparian wetland fu...

journal_title：Journal of environmental quality

authors： Harrison MD,Groffman PM,Mayer PM,Kaushal SS,Newcomer TA

更新日期：2011-03-01 00:00:00

abstract：:Successful remediation of oil-contaminated agricultural land may include the goal of returning the land to prespill levels of agricultural productivity. This productivity may be measured by crop yield, quality, and safety, all of which are influenced by soil characteristics. This research was conducted to determine if...

journal_title：Journal of environmental quality

authors： O'Brien PL,DeSutter TM,Casey FXM,Wick AF,Khan E

更新日期：2017-07-01 00:00:00

abstract：:During recent decades, a change in land use in the mountainous regions of Northern Thailand has been accompanied by an increased input of agrochemicals. We identified lateral water flow and pesticide transport pathways and mechanisms in a Hapludult on a sloped litchi orchard in Northern Thailand. During two rainy seas...

journal_title：Journal of environmental quality

authors： Kahl G,Ingwersen J,Nutniyom P,Totrakool S,Pansombat K,Thavornyutikarn P,Streck T

更新日期：2007-06-27 00:00:00

abstract：:Two novel solid-state 13C nuclear magnetic resonance (NMR) spectroscopic techniques, PSRE (proton spin relaxation editing) and RESTORE [Restoration of Spectra via T(CH) and T(1rho)H (T One Rho H) Editing], were used to provide detailed chemical characterization of the organic matter from six Australian sewage sludges....

journal_title：Journal of environmental quality

authors： Smernik RJ,Oliver IW,Merrington G

更新日期：2003-07-01 00:00:00

abstract：:Concentrated animal feeding operations emit trace gases such as ammonia (NH₃), methane (CH₄), carbon dioxide (CO₂), and nitrous oxide (N₂O). The implementation of air quality regulations in livestock-producing states increases the need for accurate on-farm determination of emission rates. The objective of this study w...

journal_title：Journal of environmental quality

authors： Leytem AB,Dungan RS,Bjorneberg DL,Koehn AC

更新日期：2011-09-01 00:00:00

abstract：:Trace elements (TEs) are universally present in environmental media, including soil, but agriculture uses some materials that have increased TE concentrations. Some TEs (e.g., Cu, Se, and Zn) are added to animal feeds to ensure animal health. Similarly, TEs are present in micronutrient fertilizers. In the case of phos...

journal_title：Journal of environmental quality

authors： Sheppard SC,Grant CA,Sheppard MI,de Jong R,Long J

更新日期：2009-03-25 00:00:00

abstract：:Pasture systems in Hawaii are based primarily on kikuyugrass (Pennisetum clandestinum Hochst. ex Chiov.). Relationships among kikuyugrass P concentration, animal P requirements, and various soil P determinations are needed to help identify source areas for implementing pasture management strategies to limit P loss via...

journal_title：Journal of environmental quality

authors： Mathews BW,Carpenter JR,Sollenberger LE,Tsang S

更新日期：2005-06-07 00:00:00

abstract：:Intensive livestock operations can release odorous gases from stored or land-applied manure. We measured concentrations of dust and 14 odor-causing gases at increasing distances from four feedlots near Lethbridge, southern Alberta, Canada. Concentration was determined from the amount of total dust or gas accumulated i...

journal_title：Journal of environmental quality

authors： McGinn SM,Janzen HH,Coates T

更新日期：2003-07-01 00:00:00

abstract：:A lignocellulosic substrate (LS) obtained from our local agroindustry was used as a low-cost and effective adsorbent for the removal of pesticides from wastewaters. The studied pesticides were terbumeton (N-(1,1-dimethyl)-Nethyl-6-methoxy-1,3,5-triazine-2,4-diamine), desethyl terbumeton (N-(1,1-dimethylethyl)-6-methox...

journal_title：Journal of environmental quality

authors： Boudesocque S,Guillon E,Aplincourt M,Martel F,Noël S

更新日期：2008-03-01 00:00:00

abstract：:Nitrogen (N) application to crops generally results in increased nitrous oxide (NO) emissions. Commercially available, enhanced-efficiency N fertilizers were evaluated for their potential to reduce NO emissions from a clay loam soil compared with conventionally used granular urea and urea-ammonium nitrate (UAN) fertil...

journal_title：Journal of environmental quality

authors： Halvorson AD,Del Grosso SJ,Jantalia CP

更新日期：2011-11-01 00:00:00