Accumulation, release, and solubility of arsenic, molybdenum, and vanadium in wetland sediments.

abstract：:Canada's National Agri-Environmental Standards Initiative sought to develop an environmental benchmark for low-level waterborne pathogen occurrence in agricultural watersheds. A field study collected 902 water samples from 27 sites in four intensive agricultural watersheds across Canada from 2005 to 2007. Four of the ...

journal_title：Journal of environmental quality

authors： Edge TA,El-Shaarawi A,Gannon V,Jokinen C,Kent R,Khan IU,Koning W,Lapen D,Miller J,Neumann N,Phillips R,Robertson W,Schreier H,Scott A,Shtepani I,Topp E,Wilkes G,van Bochove E

更新日期：2012-01-01 00:00:00

abstract：:Knowledge of the balance between nutrient inputs and removals is required for identifying regions that possess an excess or deficit of nutrients. This assessment describes the balance between the agricultural nutrient inputs and removals for nine geographical districts within Arkansas from 1997 to 2001. The total N, P...

journal_title：Journal of environmental quality

authors： Slaton NA,Brye KR,Daniels MB,Daniel TC,Norman RJ,Miller DM

更新日期：2004-09-01 00:00:00

abstract：:Determination of sorption of hydrophilic, weakly sorbing organic compounds in soil by conventional batch methods using a slurried suspension is often prone to considerable errors because small changes in the solution concentration on equilibration must be accurately determined. This difficulty is exacerbated for compo...

journal_title：Journal of environmental quality

authors： Ahmad R,Katou H,Kookana RS

更新日期：2005-05-11 00:00:00

abstract：:Knowledge of pesticide distribution and persistence in nursery recycling pond water and sediment is critical for preventing phytotoxicity of pesticides during water reuse and to assess their impacts to the environment. In this study, sorption and degradation of four commonly used pesticides (diazinon, chlorpyrifos, ch...

journal_title：Journal of environmental quality

authors： Lu J,Wu L,Newman J,Faber B,Merhaut DJ,Gan J

更新日期：2006-08-09 00:00:00

abstract：:Water treatment residuals (WTRs) are a by-product of municipal drinking water treatment plants and can have the capacity to adsorb tremendous amounts of P. Understanding the WTR phosphorus adsorption process is important for discerning the mechanism and tenacity of P retention. We studied P adsorbing mechanism(s) of a...

journal_title：Journal of environmental quality

authors： Ippolito JA,Barbarick KA,Heil DM,Chandler JP,Redente EF

更新日期：2003-09-01 00:00:00

abstract：:The Universal Soil Loss Equation (USLE) and its derivatives are widely used for identifying watersheds with a high potential for degrading stream water quality. We compared sediment yields estimated from regional application of the USLE, the automated revised RUSLE2, and five sediment delivery ratio algorithms to meas...

journal_title：Journal of environmental quality

authors： Boomer KB,Weller DE,Jordan TE

更新日期：2008-01-04 00:00:00

abstract：:The Summitville Mine was a high-elevation (3500 m) gold mine in southwestern Colorado. The mine was abandoned in 1992, leaving approximately 200 ha of disturbance comprised partially of an open pit, a cyanide heap leach pad, and two large waste rock piles. Reclamation of these mine facilities is challenging due to ext...

journal_title：Journal of environmental quality

authors： Sydnor ME,Redente EF

更新日期：2002-09-01 00:00:00

abstract：:There are growing concerns regarding the fate of nutrients, especially phosphorus (P), from land application of animal waste. One approach being studied to reduce runoff losses of P is to treat manure or the soil receiving manure with chemical amendments such as gypsum. This study used rainfall simulations to examine ...

journal_title：Journal of environmental quality

authors： Torbert HA,Watts DB

更新日期：2014-01-01 00:00:00

abstract：:Bedding materials may affect air quality in livestock facilities. Our objective in this study was to compare headspace concentrations of ammonia (NH), total reduced sulfides (TRS), carbon dioxide (CO), methane (CH), and nitrous oxide (NO) when pine wood chips ( spp.) and corn stover ( L.) were mixed in various ratios ...

journal_title：Journal of environmental quality

authors： Spiehs MJ,Brown-Brandl TM,Parker DB,Miller DN,Berry ED,Wells JE

更新日期：2016-03-01 00:00:00

abstract：:Few effective strategies exist for remediating and restoring metal-contaminated soils. We have evaluated the potential of two environmentally compatible, nondestructive, biological soil-washing agents for remediating aged, lead-contaminated soils. Two contaminated soils were washed with 10 mM rhamnolipid biosurfactant...

journal_title：Journal of environmental quality

authors： Neilson JW,Artiola JF,Maier RM

更新日期：2003-05-01 00:00:00

abstract：:Metal-thiol complexes can enhance metal uptake by plant roots and microorganisms, therefore it is important to determine whether thiols effectively solubilize these metals from the soil matrix. Extractions were conducted by combining 1 g contaminated soil and 10 mL of 10 mmol L(-1) thiol solution and shaking for 1 h. ...

journal_title：Journal of environmental quality

authors： Vadas TM,Ahner BA

更新日期：2009-10-29 00:00:00

abstract：:Constructed wetland treatment systems are used to remove selenium (Se) from flue-gas desulfurization (FGD) wastewater (WW). However, direct confirmation of the mechanism responsible for FGD WW Se retention in soil is lacking. A laboratory-based soil column study was performed to develop an evidence-based mechanism of ...

journal_title：Journal of environmental quality

authors： Galkaduwa MB,Hettiarachchi GM,Kluitenberg GJ,Hutchinson SL,Davis L,Erickson LE

更新日期：2017-03-01 00:00:00

abstract：:Ammonia (NH(3)) emissions from animal systems have become a primary concern for all of livestock production. The purpose of this research was to establish the relationship of nitrogen (N) emissions to specific components of swine production systems and to determine accurate NH(3) emission factors appropriate for the r...

journal_title：Journal of environmental quality

authors： Harper LA,Sharpe RR,Parkin TB,De Visscher A,van Cleemput O,Byers FM

更新日期：2004-07-01 00:00:00

abstract：:Soil chemical constituents influence soil structure and erosion potential. We investigated manure and inorganic fertilizer applications on soil chemistry (carbon [C] quality and exchangeable cations), aggregation, and phosphorus (P) loss in overland flow. Surface samples (0-5 cm) of a Hagerstown (fine, mixed, semiacti...

journal_title：Journal of environmental quality

authors： McDowell RW,Sharpley AN

更新日期：2003-01-01 00:00:00

abstract：:Most studies of phosphorus (P) movement in soil have based their conclusions on patterns of extractable soil P as a function of depth, which has led to the assumption that no substantial leaching loss occurs because of high P-fixation capacity in mineral soils. Few studies have involved high-quality leachate samples c...

journal_title：Journal of environmental quality

authors： Brye KR,Andraski TW,Jarrell WM,Bundy LG,Norman JM

更新日期：2002-05-01 00:00:00

abstract：:Roadside vegetation provides a multitude of ecosystem services, including pollutant remediation, runoff reduction, wildlife habitat, and aesthetic scenery. Establishment of permanent vegetation along paved roads after construction can be challenging, particularly within 1 m of the pavement. Adverse soil conditions cou...

journal_title：Journal of environmental quality

authors： Mills SD,Mamo M,Ruis SJ,Blanco-Canqui H,Schacht WH,Awada T,Li X,Sutton P

更新日期：2020-12-10 00:00:00

abstract：:Growing nitrogen (N) catch crops can reduce NO(3)-N leaching after cultivating cereals. The objective of this study was to relate NO(3)-N leaching to variation in the uptake of N and the size and distribution of the root systems of different catch crops species. In a 3-yr lysimeter experiment, phacelia (Phacelia tanac...

journal_title：Journal of environmental quality

authors： Herrera JM,Feil B,Stamp P,Liedgens M

更新日期：2010-04-13 00:00:00

abstract：:Calcium superphosphate and apple ( Mill.) waste can be used for controlling N loss and improving compost quality during composting, whereas integrated addition of the two additives on composting process remains unexplored. Therefore, this study was conducted to investigate the effects of combined use of calcium superp...

journal_title：Journal of environmental quality

authors： Jiang J,Kang K,Zhang C,Yan G,Lv J,Li Y

更新日期：2019-09-01 00:00:00

abstract：:High intensity wildfire due to long-term fire suppression and heavy fuels buildup can render watersheds highly susceptible to wind and water erosion. The 2002 "Gondola" wildfire, located just southeast of Lake Tahoe, NV-CA, was followed 2 wk later by a severe hail and rainfall event that deposited 7.6 to 15.2 mm of pr...

journal_title：Journal of environmental quality

authors： Carroll EM,Miller WW,Johnson DW,Saito L,Qualls RG,Walker RF

更新日期：2007-05-25 00:00:00

abstract：:Intensively managed golf courses are perceived by the public as possibly adding nutrients to surface waters via surface transport. An experiment was designed to determine the transport of nitrate N and phosphate P from simulated golf course fairways of 'Tifway' bermudagrass [Cynodon dactylon (L.) Pers.]. Fertilizer tr...

journal_title：Journal of environmental quality

authors： Shuman LM

更新日期：2002-09-01 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：:In Britain, frequent rainfall means that there is a high potential for rapid, direct (incidental) losses of phosphorus (P) to occur after fertilizer or manure application. However, despite the known contribution of P to the eutrophication of water bodies in Britain, such incidental transfers have received little exper...

journal_title：Journal of environmental quality

authors： Preedy N,McTiernan K,Matthews R,Heathwaite L,Haygarth P

更新日期：2001-11-01 00:00:00

abstract：:This study examined the long-term fate of the fungicide triticonazole (TTZ; 5-[(4-chlorophenyl)methylene]-2,2-dimethyl-1-(1H-1,2,4-triazol-1-ylmethyl)cydopentanol) applied at a normal field dose (8.9 g ha(-1)) via seed treatment, which is the normal alternative in practice. The TTZ was applied to wheat (Triticum aesti...

journal_title：Journal of environmental quality

authors： Börjesson E,Stenström J,Johnsson L,Torstensson L

更新日期：2003-07-01 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：:From 1974 to 1984, 543 Mg ha(-1) of biosolids were applied to portions of a land-reclamation site in Fulton County, IL. Soil organic C increased to 5.1% then decreased significantly (p < 0.01) to 3.8% following cessation of biosolids applications (1985-1997). Metal concentrations in amended soils (1995-1997) were not ...

journal_title：Journal of environmental quality

authors： Granato TC,Pietz RI,Knafl GJ,Carlson CR Jr,Tata P,Lue-Hing C

更新日期：2004-11-01 00:00:00

abstract：:Contamination of unfenced streams with P, sediments, and pathogenic bacteria from cattle (Bos taurus) activity may be affected by the availability of shade and alternative water sources. The objectives of this study were to evaluate water quality in two streams draining tall fescue (Festuca arundinacea Schreb.)-common...

journal_title：Journal of environmental quality

authors： Byers HL,Cabrera ML,Matthews MK,Franklin DH,Andrae JG,Radcliffe DE,McCann MA,Kuykendall HA,Hoveland CS,Calvert VH 2nd

更新日期：2005-11-07 00:00:00

abstract：:Tile drained land with phosphorus (P)-rich topsoil is prone to P loss, which can impair surface water quality via eutrophication. We used by-products from steel and energy industries to mitigate P loss from tile drains. For each by-product, P sorption maximum (P(max)) and strength (k) were determined, while a fluvariu...

journal_title：Journal of environmental quality

authors： McDowell RW,Sharpley AN,Bourke W

更新日期：2008-06-23 00:00:00

abstract：:The objective of the Parafield Aquifer Storage Transfer and Recovery research project in South Australia is to determine whether stormwater from an urban catchment that is treated in a constructed wetland and stored in an initially brackish aquifer before recovery can meet potable water standards. The water produced b...

journal_title：Journal of environmental quality

authors： Page D,Dillon P,Vanderzalm J,Toze S,Sidhu J,Barry K,Levett K,Kremer S,Regel R

更新日期：2010-11-01 00:00:00

abstract：:Two separate laboratory experiment series, surface runoff and steady-state seepage, were performed to determine if dust suppressant products can be applied to soils with an expected minimal to no negative impact on water quality. The experiments were designed to mimic arid field conditions and used two soils (clayey a...

journal_title：Journal of environmental quality

authors： Beighley RE,He Y,Valdes JR

更新日期：2009-02-06 00:00:00

abstract：:The interaction of sulfonamide antimicrobial agents with smectite clay minerals and humic acid (HA)-clay complexes was investigated in batch experiments to assess the influence of adsorbed humic acid on sulfonamide sorption. Soil HA-clay complexes were produced at HA:clay ratios of 1:5, 1:50, and 1:100 (w/w). Vibratio...

journal_title：Journal of environmental quality

authors： Gao J,Pedersen JA

更新日期：2009-12-30 00:00:00