Particulate and dissolved phosphorus chemical separation and phosphorus release from treated dairy manure.

abstract：:Determining the survival of zoonotic pathogens in livestock manure and runoff is critical for understanding the environmental and public health risks associated with these wastes. The occurrence and persistence of the bacterial pathogens Escherichia coli O157:H7 and Campylobacter spp. in a passive beef cattle feedlot ...

journal_title：Journal of environmental quality

authors： Berry ED,Woodbury BL,Nienaber JA,Eigenberg RA,Thurston JA,Wells JE

更新日期：2007-10-24 00:00:00

abstract：:Chemical speciation of soil cadmium (Cd) dictates its mobility and potential toxicity in the environment. Our objective was to compare temporal changes in speciation of Cd(II) reacted with samples from six Brazilian soils having varying Cd(II) sorption capacities. Cadmium L-edge X-ray absorption near edge structure (X...

journal_title：Journal of environmental quality

authors： Colzato M,Kamogawa MY,Carvalho HWP,Alleoni LRF,Hesterberg D

更新日期：2017-11-01 00:00:00

abstract：:Long-term monitoring data from agricultural watersheds are needed to determine if efforts to reduce nutrient transport from crop and pasture land have been effective. Goodwater Creek Experimental Watershed (GCEW), located in northeastern Missouri, is a high-runoff-potential watershed dominated by claypan soils. The ob...

journal_title：Journal of environmental quality

authors： Lerch RN,Baffaut C,Kitchen NR,Sadler EJ

更新日期：2015-01-01 00:00:00

abstract：:Nitrogen (N) availability affects plant biomass yield and, hence, phytoextraction of contaminants during phytoremediation of end-of-life municipal lagoons. End-of-life lagoons are characterized by fluctuating moisture conditions, but the effects on biosolid N dynamics have not been adequately characterized. This 130-d...

journal_title：Journal of environmental quality

authors： Jeke NN,Zvomuya F,Ross L

更新日期：2015-11-01 00:00:00

abstract：:Oily food waste (FOG; fat + oil + greases) containing high concentrations of fat, oil and grease is produced by the food service, production, and processing industries. It has a high C to N ratio (90:1) and can recycle soil available N through immobilization and remineralization during its decomposition. Experiments w...

journal_title：Journal of environmental quality

authors： Rashid MT,Voroney RP

更新日期：2005-04-20 00:00:00

abstract：:Soil spatial variability has a profound influence on most agronomic and environmental processes at field and landscape scales, including site-specific management, vadose zone hydrology and transport, and soil quality. Mobile sensors are a practical means of mapping spatial variability because their measurements serve ...

journal_title：Journal of environmental quality

authors： Scudiero E,Lesch SM,Corwin DL

更新日期：2016-07-01 00:00:00

abstract：:Elevated carbon dioxide (CO2) concentrations in the atmosphere can stimulate plant growth and yield, whereas ground-level ozone (O3) concentrations cause the opposite effect in many areas of the world. Recent experiments show that elevated CO2 can protect some plants from O3 stress, but this has not been tested for mo...

journal_title：Journal of environmental quality

authors： Heagle AS,Miller JE,Pursley WA

更新日期：2003-09-01 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：:The New York Phosphorus Index (NY-PI) was introduced in 2001 after the release of the state's first Concentrated Animal Feeding Operation (CAFO) Permit that required a nutrient management plan developed in accordance with NRCS standards. The stakeholder-based approach to development of the NY-PI, combined with a requi...

journal_title：Journal of environmental quality

authors： Ketterings QM,Cela S,Collick AS,Crittenden SJ,Czymmek KJ

更新日期：2017-11-01 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：: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：:Continued inputs of fertilizer and manure in excess of crop requirements have led to a build-up of soil phosphorus (P) levels and increased P runoff from agricultural soils. The objectives of this study were to determine the effects of two tillage practices (no-till and chisel plow) and a range of soil P levels on the...

journal_title：Journal of environmental quality

authors： Daverede IC,Kravchenko AN,Hoeft RG,Nafziger ED,Bullock DG,Warren JJ,Gonzini LC

更新日期：2003-07-01 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：:Mobility of dissolved organic matter (DOM) strongly affects the export of nitrogen (N) and phosphorus (P) from soils to surface waters. To study the sorption and mobility of dissolved organic C and P (DOC, DOP) in soil, the pH-dependent sorption of DOM to samples from Ap, EB, and Bt horizons from a Danish agricultural...

journal_title：Journal of environmental quality

authors： Gjettermann B,Styczen M,Hansen S,Borggaard OK,Hansen HC

更新日期：2007-04-05 00:00:00

abstract：:The enrichment of P in surface waters has been linked to P runoff from agricultural fields amended with fertilizers. Novel slow-release mineral fertilizers, such as struvite and P-exchanged layered double hydroxides (LDHs), have received increasing attention for P recycling from waste streams, and these fertilizers ma...

journal_title：Journal of environmental quality

authors： Everaert M,da Silva RC,Degryse F,McLaughlin MJ,Smolders E

更新日期：2018-03-01 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：: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：: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：:Control methods are needed to abate NH losses from swine anaerobic lagoons to reduce the contribution of confined swine operations to air pollution. In a 15-mo meso-scale column study, we evaluated the effect of manure pretreatment on water quality, reduction of N losses, and sludge accumulation in swine lagoons using...

journal_title：Journal of environmental quality

authors： Szogi AA,Vanotti MB

更新日期：2014-07-01 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：:Natural fluctuations in light intensity may significantly affect the amount of CO assimilated by plants and ecosystems. Little is known, however, about the interactive effect of dynamic light conditions and atmospheric CO concentrations. The hypothesis that elevated CO concentration (EC; 700 μmol CO mol) increases pho...

journal_title：Journal of environmental quality

authors： Holišová P,Zitová M,Klem K,Urban O

更新日期：2012-11-01 00:00:00

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：:The New Zealand Greenhouse Gas Inventory (the NZ Inventory) uses country-specific data to quantify CH emissions from anaerobic ponds treating dairy farm effluent (315 Gg CO equivalent [CO-e] in 2009). In this study, we used literature data to: (i) evaluate the accuracy of the NZ Inventory's parameters used to quantify...

journal_title：Journal of environmental quality

authors： Chung ML,Shilton AN,Guieysse B,Pratt C

更新日期：2013-05-01 00:00:00

abstract：:Seventeen different wastewater sludges were characterized using both chemical and organic matter fractionation methods (water extraction, Van Soest method, and acid hydrolysis) and 6-mo incubation studies to assess their decomposition in soil. Simple correlation and multiple factor analysis (MFA) were then performed t...

journal_title：Journal of environmental quality

authors： Parnaudeau V,Nicolardot B,Pagès J

更新日期：2004-09-01 00:00:00

abstract：:Carbon (C) and nitrogen (N) play an important role in the restoration of ecosystem functions of reclaimed mine soils (RMSs). Postreclamation land use in RMSs affects soil C and N pools and fluxes. We compared the effects of 28-yr-old postreclamation land uses (forest, hay, and pasture) on selected chemical properties ...

journal_title：Journal of environmental quality

authors： Shrestha RK,Lal R

更新日期：2007-10-24 00:00:00

abstract：:Aqueous degradation rates, which include hydrolysis and epimerization, for chlortetracycline (CTC), oxytetracycline (OTC), tetracycline (TET), lincomycin (LNC), sulfachlorpyridazine (SCP), sulfadimethoxine (SDM), sulfathiazole (STZ), trimethoprim (TRM), and tylosin A (TYL) were studied as a function of ionic strength ...

journal_title：Journal of environmental quality

authors： Loftin KA,Adams CD,Meyer MT,Surampalli R

更新日期：2008-02-11 00:00:00

abstract：:A field lysimeter study with bare ground and five different ground covers was established to evaluate the effect of forage grasses on the fate and transport of two herbicides in leachate. The herbicides were atrazine (ATR; 2-chloro-4-ethylamino-6-isopropylamino-1,3,5-triazine) and isoxaflutole [IXF; 5-cyclopropyl-4-(2...

journal_title：Journal of environmental quality

authors： Lin CH,Lerch RN,Garrett HE,Johnson WG,Jordan D,George MF

更新日期：2003-11-01 00:00:00

abstract：:A field study was initiated in 1992 to investigate the long-term impacts of beef feedlot manure application (composted and uncomposted) on nutrient accumulation and movement in soil, corn silage yield, and nutrient uptake. Two application strategies were compared: providing the annual crop nitrogen (N) requirement (N-...

journal_title：Journal of environmental quality

authors： Ferguson RB,Nienaber JA,Eigenberg RA,Woodbury BL

更新日期：2005-08-09 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：:Conservation tillage practices have become increasingly common in recent years to reduce soil erosion, improve water conservation, and increase soil organic matter. Research suggests that conservation tillage can stratify soil test phosphorus (P), but little is known about the effects on soil organic P. This study was...

journal_title：Journal of environmental quality

authors： Abdi D,Cade-Menun BJ,Ziadi N,Parent LÉ

更新日期：2014-07-01 00:00:00