Isotopic evidence of nitrate sources and denitrification in the Mississippi River, Illinois.

abstract：:In this study, seven organic amendments (biosolid compost, farm yard manure, fish manure, horse manure, spent mushroom, pig manure, and poultry manure) were investigated for their effects on the reduction of hexavalent chromium [chromate, Cr(VI)] in a mineral soil (Manawatu sandy soil) low in organic matter content. A...

journal_title：Journal of environmental quality

authors： Bolan NS,Adriano DC,Natesan R,Koo BJ

更新日期：2003-01-01 00:00:00

abstract：:Groundwater contamination from NO-N leaching in corn ( L.) production with coarse-textured soils poses an environmental concern. Our objectives were to evaluate NO-N leaching in continuous corn (CC), corn after soybean ( L.) (CSb), and soybean after corn (SbC) in irrigated sandy soils in Minnesota related to (i) N rat...

journal_title：Journal of environmental quality

authors： Struffert AM,Rubin JC,Fernández FG,Lamb JA

更新日期：2016-09-01 00:00:00

abstract：:It is necessary to determine the risk of water pollution arising from amendment of organic by-products (OBs) to energy crops under Irish conditions. Therefore, the impact of landspreading two OBs on the quality of groundwater underlying plantations of Miscanthus X giganteus was assessed. Municipal biosolids and distil...

journal_title：Journal of environmental quality

authors： Galbally P,Fagan C,Ryan D,Finnan J,Grant J,McDonnell K

更新日期：2012-01-01 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：:Repeated manure application can lead to excessive soil test P (STP) levels and increased P concentration in runoff, but also to improved water infiltration and reduced runoff. Research was conducted to evaluate soil P tests in prediction of P concentration in runoff and to determine the residual effects of composted m...

journal_title：Journal of environmental quality

authors： Wortmann CS,Walters DT

更新日期：2006-03-01 00:00:00

abstract：:Incorporation of manure into cultivated soils is generally recommended to minimize nutrient losses. A 3-yr study was conducted to evaluate sediment and nutrient losses with different tillage methods (moldboard plow, heavy-duty cultivator, double disk, and no-incorporation) for incorporation of beef cattle manure in a ...

journal_title：Journal of environmental quality

authors： Little JL,Bennett DR,Miller JJ

更新日期：2005-09-08 00:00:00

abstract：:Sediment delivery from hillslopes to rivers is spatially variable and may lead to long-term delays between initial erosion and related sediment yield at the watershed outlet. Consideration of spatial variability is important for developing sound strategies for water quality improvement and soil protection at the water...

journal_title：Journal of environmental quality

authors： Bonumá NB,Rossi CG,Arnold JG,Reichert JM,Minella JP,Allen PM,Volk M

更新日期：2014-01-01 00:00:00

abstract：:Limited information is available on streams in the Adirondack region of New York, although streams are more prone to acidification than the more studied Adirondack lakes. A stream assessment was therefore undertaken in the Oswegatchie and Black River drainages; an area of 4585 km(2) in the western part of the Adironda...

journal_title：Journal of environmental quality

authors： Lawrence GB,Roy KM,Baldigo BP,Simonin HA,Capone SB,Sutherland JW,Nierzwicki-Bauer SA,Boylen CW

更新日期：2008-10-23 00:00:00

abstract：:Hyperaccumulated Ni can defend plant tissues against herbivores and pathogens. The effectiveness of this defense, however, has not been tested with a viral pathogen. Turnip mosaic virus (TuMV) accumulation was studied in two serpentine species of Streptanthus with different Ni uptake abilities. Plants of a Ni hyperacc...

journal_title：Journal of environmental quality

authors： Davis MA,Murphy JF,Boyd RS

更新日期：2001-01-01 00:00:00

abstract：:In the relatively pristine ecosystem in Kejimkujik Park, Nova Scotia, methylmercury (MeHg) concentrations in loons, Gavia immer, are among the highest recorded anywhere in the world. This study investigated the influence of bedrock lithology on MeHg concentrations in wetlands. Twenty-five different wetland field sites...

journal_title：Journal of environmental quality

authors： Siciliano SD,Sangster A,Daughney CJ,Loseto L,Germida JJ,Rencz AN,O'Driscoll NJ,Lean DR

更新日期：2003-11-01 00:00:00

abstract：:Current phytotoxicity plant test protocols for US pesticide registration require testing for effects on seedling emergence and early growth without regard to other important factors, such as plant reproduction. Yield and quality reduction can have significant economic and ecological effects. Therefore, field trials we...

journal_title：Journal of environmental quality

authors： Pfleeger T,Olszyk D,Plocher M,Yilma S

更新日期：2008-10-23 00:00:00

abstract：:Very little has been reported on the effects of pH, Zn, and Mn on Cd uptake in rice ( L.) and their levels under field conditions. Rice accumulates a high concentration of Cd in acid soils, even at low soil Cd levels. Lime (CaO) was spread at 1200 kg ha on the topsoil of a rice field during the tillering stage. Effect...

journal_title：Journal of environmental quality

authors： Wang M,Yang Y,Chen W

更新日期：2018-03-01 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：: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：:Laboratory microcosm experiments were used to assess the effects of environmental parameters on the persistence of the Bacteroides 16S rRNA genes derived from equine fecal samples in stream water to investigate the utility of Bacteroides spp. as fecal indicator organisms. Quantitative real-time polymerase chain reacti...

journal_title：Journal of environmental quality

authors： Bell A,Layton AC,McKay L,Williams D,Gentry R,Sayler GS

更新日期：2009-04-27 00:00:00

abstract：:Phosphorus losses from arable soils contribute to eutrophication of freshwater systems. In addition to losses through surface runoff, leaching has lately gained increased attention as an important P transport pathway. Increased P levels in arable soils have highlighted the necessity of establishing a relationship betw...

journal_title：Journal of environmental quality

authors： Djodjic F,Börling K,Bergström L

更新日期：2004-03-01 00:00:00

abstract：:Numerous studies have reported a spectrum of sorption phenomena in soils, sediments, and organic matter isolates of those materials that are inconsistent with a partition model proposed in the late 1970s and early 1980s, a model predicated on a hypothesis that sorption is linear and noncompetitive. To explain these no...

journal_title：Journal of environmental quality

authors： Pignatello JJ,Lu Y,LeBoeuf EJ,Huang W,Song J,Xing B

更新日期：2006-05-31 00:00:00

abstract：:Decay rates are central parameters in modeling pesticide fate and transport in the environment. Pesticide decay is usually modeled as a first-order process, and variations in half-life can have significant impacts on model predictions. Decay rates for the foliage and thatch components of turf are scarce, and most simu...

journal_title：Journal of environmental quality

authors： Magri A,Haith DA

更新日期：2009-01-13 00:00:00

abstract：:Managing biosolids from end-of-life municipal lagoons is a major challenge for many small communities where landfilling or spreading of biosolids on farmland is restricted. Contaminant removal via phytoextraction may be a viable remediation option for end-of-life lagoons in such communities. This study examined the ef...

journal_title：Journal of environmental quality

authors： Jeke N,Zvomuya F

更新日期：2018-11-01 00:00:00

abstract：:The effect of irrigation with reclaimed effluent (RE) (after secondary treatment) on the mechanisms and rates of nitrite formation, N2O emissions, and N mineralization is not well known. Grumosol (Chromoxerert) soil was incubated for 10 to 14 d with fresh water (FW) and RE treated with 15NO3- and 15NH4+ to provide a b...

journal_title：Journal of environmental quality

authors： Master Y,Laughlin RJ,Stevens RJ,Shaviv A

更新日期：2004-05-01 00:00:00

abstract：:Quantitative polymerase chain reaction (qPCR) was used by the USEPA to establish new recreational water quality criteria in 2012 using the indicator bacteria enterococci. The application of this method has been limited, but resource managers are interested in more timely monitoring results. In this study, we evaluated...

journal_title：Journal of environmental quality

authors： Byappanahalli MN,Nevers MB,Shively DA,Spoljaric A,Otto C

更新日期：2018-09-01 00:00:00

abstract：:Phosphorus (P) loss from agricultural fields can contribute to water quality degradation. The current New York P index (NY-PI) scores fields on the basis of P sources and field characteristics that reflect risk of P transport (a source × transport approach). Recently, a transport × best management practice (BMP) appro...

journal_title：Journal of environmental quality

authors： Ros MBH,Ketterings QM,Cela S,Czymmek KJ

更新日期：2019-07-01 00:00:00

abstract：:Land use and land cover (LULC) play a central role in fate and transport of water quality (WQ) parameters in watersheds. Developing relationships between LULC and WQ parameters is essential for evaluating the quality of water resources. In this paper, we present an artificial neural network (ANN)-based methodology to ...

journal_title：Journal of environmental quality

authors： Kalin L,Isik S,Schoonover JE,Lockaby BG

更新日期：2010-07-01 00:00:00

abstract：:The objectives of this study were to determine the effect of bedding material (corn stover, soybean stover, wheat straw, switchgrass, wood chips, wood shavings, corn cobs, and shredded paper) on concentration of odorous volatile organic compounds (VOC) in bedded pack material and to determine the effect of bedding mat...

journal_title：Journal of environmental quality

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

更新日期：2013-01-01 00:00:00

abstract：:Imidacloprid is a systemic insecticide effective in controlling the exotic pest (hemlock woolly adelgid) in eastern hemlock () trees. Concerns over imidacloprid impacts on nontarget species have limited its application in southern Appalachian ecosystems. We quantified the movement and adsorption of imidacloprid in fo...

journal_title：Journal of environmental quality

authors： Knoepp JD,Vose JM,Michael JL,Reynolds BC

更新日期：2012-03-01 00:00:00

abstract：:The state of Iowa requires developing total maximum daily loads (TMDLs) for over 400 water bodies that are listed on the 303(d) list of the impaired waters. The Raccoon River watershed, which covers approximately 9400 km2 of prime agriculture land and represents a typical Midwestern corn-belt region in west-central Io...

journal_title：Journal of environmental quality

authors： Manoj K,Wolter CF,Schilling KE,Gassman PW

更新日期：2010-07-01 00:00:00

abstract：:Pollen released by urban flora-a major contributor to airborne allergen content during the pollen season-has a considerable adverse impact on human health. Using aerobiological techniques to sample and characterize airborne biological particulate matter (BPM), we can identify the main species contributing to the polle...

journal_title：Journal of environmental quality

authors： Cariñanos P,Adinolfi C,Díaz de la Guardia C,De Linares C,Casares-Porcel M

更新日期：2016-01-01 00:00:00

abstract：:Since its discovery in 1669, phosphorus (P) in the form of fertilizer has become an essential input for many agroecosystems. By introducing a concentrated P source, fertilizers increase short-term P export potential soon after their application and longer-term export potential by increasing soil fertility (legacy P). ...

journal_title：Journal of environmental quality

authors： Nash DM,McDowell RW,Condron LM,McLaughlin MJ

更新日期：2019-09-01 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：: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