Degradation and movement in soil of the herbicide isoproturon analyzed by a Photosystem II-based biosensor.

abstract：:Spray irrigation of forested land can provide an effective system for nutrient removal and treatment of municipal wastewater. Evolution of N2 + N2O from denitrifying activity is an important renovation pathway for N applied to forested land treatment systems. Federal and state guidance documents for design of forested...

journal_title：Journal of environmental quality

authors： Meding SM,Morris LA,Hoover CM,Nutter WL,Cabrera ML

更新日期：2001-07-01 00:00:00

abstract：:Corn stover harvesting is a common practice in the western U.S. Corn Belt. This 5-yr study used isotopic source tracking to quantify the influence of two tillage systems, two corn ( L.) surface residue removal rates, and two yield zones on soil organic C (SOC) gains and losses at three soil depths. Soil samples collec...

journal_title：Journal of environmental quality

authors： Clay DE,Reicks G,Carlson CG,Moriles-Miller J,Stone JJ,Clay SA

更新日期：2015-05-01 00:00:00

abstract：:To control ammonia (NH(3)) volatilization from the dairy cattle (Bos taurus) manure composting process, a compost pile was covered with mature compost and the gas emissions evaluated using the dynamic chamber system. The peak of NH(3) volatilization observed immediately after piling up of the compost was reduced from ...

journal_title：Journal of environmental quality

authors： Maeda K,Morioka R,Osada T

更新日期：2009-02-06 00:00:00

abstract：:Scaling in situ soil water content time series data to a large spatial domain is a key element of watershed environmental monitoring and modeling. The primary method of estimating and monitoring large-scale soil water content distributions is via in situ networks. It is critical to establish the stability of in situ n...

journal_title：Journal of environmental quality

authors： Cosh MH,Starks PJ,Guzman JA,Moriasi DN

更新日期：2014-07-01 00:00:00

abstract：:The influence of biochar on nitrogen (N) transformation processes in soil is not fully understood. This study assessed the influence of four biochars (wood and poultry manure biochars synthesized at 400 degrees C, nonactivated, and at 550 degrees C, activated, abbreviated as: W400, PM400, W550, PM550, respectively) on...

journal_title：Journal of environmental quality

authors： Singh BP,Hatton BJ,Balwant S,Cowie AL,Kathuria A

更新日期：2010-07-01 00:00:00

abstract：:A field study was initiated to determine survival, growth characteristics, and metal uptake of two montane riparian willow species, Geyer (Salix geyeriana Andersson) and mountain (S. monticola Bebb) willow, grown in amended fluvial mine tailing deposits. Revegetation was done with staked and previously rooted cuttings...

journal_title：Journal of environmental quality

authors： Bourret MM,Brummer JE,Leininger WC

更新日期：2009-02-25 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：:Field-scale relationships between soil test phosphorus (STP) and flow-weighted mean concentrations (FWMCs) of dissolved reactive phosphorus (DRP) and total phosphorus (TP) in runoff are essential for modeling phosphorus losses, but are lacking. The objectives of this study were (i) to determine the relationships betwe...

journal_title：Journal of environmental quality

authors： Little JL,Nolan SC,Casson JP,Olson BM

更新日期：2007-07-17 00:00:00

abstract：:Biosolids can be a source of metals and metal nanoparticles. The objective of this study was to quantify and characterize the accumulation and transport of silver (Ag) in a natural soil that has received agronomically recommended rates of biosolids as fertilizer from 1994 to 2017. Total Ag concentrations were measured...

journal_title：Journal of environmental quality

authors： Taylor SE,Pearce CI,Chowdhury I,Kovarik L,Leavy I,Baum S,Bary AI,Flury M

更新日期：2020-11-01 00:00:00

abstract：:This study compares the performance of three bioretention media blends for N and P removal from simulated urban runoff in experimental mesocosms. TerraSolve, Biofilter, and "VT Mix" (Virginia Tech) were compared with and without vegetation at varying hydraulic residence times (HRTs). Adsorption isotherm experiments we...

journal_title：Journal of environmental quality

authors： Liu J,Sample DJ,Owen JS,Li J,Evanylo G

更新日期：2014-09-01 00:00:00

abstract：:There is interest in understanding effects of amending soil with manure in a cultivation setting and if composting can provide benefits. Raw or composted manure from cattle administered with and without sulfamethazine, chlortetracycline, and tylosin was amended to loamy sand and silty clay loam soils, where lettuce ( ...

journal_title：Journal of environmental quality

authors： Chen C,Guron GK,Pruden A,Ponder M,Du P,Xia K

更新日期：2018-11-01 00:00:00

abstract：:Most states in the USA have adopted P Indexing to guide P-based management of agricultural fields by identifying the relative risk of P loss at farm and watershed scales. To a large extent, this risk is based on hydrologic principles that frequently occurring storms can initiate surface runoff from fields. Once initia...

journal_title：Journal of environmental quality

authors： Sharpley AN,Kleinman PJ,Heathwaite AL,Gburek WJ,Weld JL,Folmar GJ

更新日期：2008-06-23 00:00:00

abstract：:Nitrate-nitrogen (NO₃-N) loading to surface water bodies from subsurface drainage is an environmental concern in the midwestern United States. The objective of this study was to investigate the effect of various land covers on NO₃-N loss through subsurface drainage. Land-cover treatments included (i) conventional corn...

journal_title：Journal of environmental quality

authors： Qi Z,Helmers MJ,Christianson RD,Pederson CH

更新日期：2011-09-01 00:00:00

abstract：:The introduction of portable in situ ultraviolet-visual spectrometers has made possible the collection of water quality parameters at a high frequency in dynamic systems such as tidal marshes. The usefulness of this technology is inhibited by fouling of the instrument's optics. In this study, a spectrometer fitted wit...

journal_title：Journal of environmental quality

authors： Etheridge JR,Birgand F,Burchell MR,Smith BT

更新日期：2013-11-01 00:00:00

abstract：:Metal contaminants in soils can persist for millennia, causing lasting negative impacts on local ecosystems. Long-term contaminant bioavailability is related to soil pH and to the strength and stability of solid-phase associations. We combined physical density separation with synchrotron-based microspectroscopy to red...

journal_title：Journal of environmental quality

authors： Rosenfeld CE,Chaney RL,Tappero RV,Martínez CE

更新日期：2017-03-01 00:00:00

abstract：:Biochar has been heralded as an amendment to revitalize degraded soils, improve soil carbon sequestration, increase agronomic productivity, and enter into future carbon trading markets. However, scientific and economic technicalties may limit the ability of biochar to consistently deliver on these expectations. Past r...

journal_title：Journal of environmental quality

authors： Spokas KA,Cantrell KB,Novak JM,Archer DW,Ippolito JA,Collins HP,Boateng AA,Lima IM,Lamb MC,McAloon AJ,Lentz RD,Nichols KA

更新日期：2012-07-01 00:00:00

abstract：:Soil freeze-thaw cycles (FTCs) profoundly influence biophysical conditions and modify biogeochemical processes across many northern-hemisphere and alpine ecosystems. How FTCs will contribute to global processes in seasonally snow-covered ecosystems in the future is of particular importance as climate change progresses...

journal_title：Journal of environmental quality

authors： Boswell EP,Thompson AM,Balster NJ,Bajcz AW

更新日期：2020-03-01 00:00:00

abstract：:Proper management of shallow coastal systems, which are vulnerable to nutrient enrichment, requires knowledge of land use impacts on nutrient discharges. This study quantified base flow nutrient concentrations and yields for 1 yr (May 2001-April 2002) from 14 first-order streams on the Virginia Eastern Shore (VaES) on...

journal_title：Journal of environmental quality

authors： Stanhope JW,Anderson IC,Reay WG

更新日期：2009-08-24 00:00:00

abstract：:The increasing number of polluted watersheds and water bodies with total maximum daily loads (TMDLs) has resulted in increased research to find methods that effectively and universally identify fecal pollution sources. A fundamental requirement to identify such methods is understanding the microbial and chemical proce...

journal_title：Journal of environmental quality

authors： Hall KK,Evanshen BG,Maier KJ,Scheuerman PR

更新日期：2014-01-01 00:00:00

abstract：:Land application of biosolids is a beneficial-use practice whose ecological effects depend in part on hydrological effects. Biosolids were surface-applied to square 0.5-m2 plots at four rates (0, 7, 34, and 90 dry Mg ha(-1)) on each of three soil-cover combinations in Chihuahuan Desert grassland and shrubland. Infiltr...

journal_title：Journal of environmental quality

authors： Moffet CA,Zartman RE,Wester DB,Sosebee RE

更新日期：2005-01-01 00:00:00

abstract：:Sources and molecular composition of dissolved organic matter (DOM) in coastal rivers have been tightly linked with its reactivity and fate, thus influencing element and nutrient cycling. The DOM in coastal rivers is usually sourced from both terrestrial and marine inputs, with further complication by anthropogenic ac...

journal_title：Journal of environmental quality

authors： He D,He C,Li P,Zhang X,Shi Q,Sun Y

更新日期：2019-05-01 00:00:00

abstract：:Pesticides are responsible for nearly 1900 water quality impairments in the United States. Impacts of pesticide runoff on aquatic ecosystems can be mitigated by implementing management practices such as constructed wetlands, grass buffers, and vegetated ditches. A new practice currently being examined is the use of ri...

journal_title：Journal of environmental quality

authors： Moore MT,Locke MA,Cullum RF

更新日期：2018-11-01 00:00:00

abstract：:Many attempts have been made worldwide to develop methods to identify the areas most threatened by soil degradation. Some soils in afflicted areas may be irreversibly degraded and thus have very little resilience (the ability to restore themselves). For the purpose of assessing the current state of soil degradation in...

journal_title：Journal of environmental quality

authors： Šarapatka B,Bednář M

更新日期：2015-01-01 00:00:00

abstract：:In many regions, conservation tillage has replaced conventional tilling practices to reduce soil erosion, improve water conservation, and increase soil organic matter. However, tillage can have marked effects on soil properties, specifically nutrient redistribution or stratification in the soil profile. The objective ...

journal_title：Journal of environmental quality

authors： Cade-Menun BJ,Carter MR,James DC,Liu CW

更新日期：2010-09-01 00:00:00

abstract：:Gaseous emissions from animal manure storage facilities can contribute to global greenhouse gas inventories. Biogas fluxes were measured for one year from a 2-ha anaerobic lagoon that received waste from a 10500-head swine (Sus scrofa) finishing operation in southwestern Kansas. During 2001, ebullition of biogas was m...

journal_title：Journal of environmental quality

authors： DeSutter TM,Ham JM

更新日期：2005-01-01 00:00:00

abstract：:Soil contaminated with 2,4,6-trinitrotoluene (TNT) and spiked with [14C]- and [15N3]-TNT was subjected to an anaerobic-aerobic soil slurry treatment and subsequently analyzed by radiocounting and solid-state 15N nuclear magnetic resonance (NMR) spectroscopy. This treatment led to a complete disappearance of extractabl...

journal_title：Journal of environmental quality

authors： Knicker H,Achtnich C,Lenke H

更新日期：2001-03-01 00:00:00

abstract：:The potential excessive nutrient and/or microbial loading from mismanaged land application of organic fertilizers is forcing changes in animal waste management. Currently, it is not clear to what extent different rates of poultry litter impact soil microbial communities, which control nutrient availability, organic ma...

journal_title：Journal of environmental quality

authors： Acosta-Martínez V,Harmel RD

更新日期：2006-07-06 00:00:00

abstract：:The adsorption of chromate on mineral surfaces has received much attention due to its toxicity in natural systems. Spectroscopic studies have demonstrated that chromate forms inner-sphere complexes on variable-charge surfaces. However, in natural systems chromate has been observed to be fairly mobile, which has been e...

journal_title：Journal of environmental quality

authors： Garman SM,Luxton TP,Eick MJ

更新日期：2004-09-01 00:00:00

abstract：:The influence of different environmental factors on methane oxidation and degradation of hydrochlorofluorocarbons (HCFCs) was investigated in microcosms containing soil sampled at Skellingsted Landfill, Denmark. The soil showed a high capacity for methane oxidation resulting in a maximum oxidation rate of 104 microg C...

journal_title：Journal of environmental quality

authors： Scheutz C,Kjeldsen P

更新日期：2004-01-01 00:00:00

abstract：:Diazinon [O,O-diethyl O-2-isopropyl-6-methyl(pyrimidine-4-yl) phosphorothioate] and imidacloprid [1-(1-[6-chloro-3-pyridinyl]methyl)-N-nitro-2-imidazolidinimine] are applied to lawns for insect control simultaneously with nitrogenous fertilizers such as urea, but their potential effect on urease activity and nitrogen ...

journal_title：Journal of environmental quality

authors： Ingram CW,Coyne MS,Williams DW

更新日期：2005-08-09 00:00:00