Broad-host-range plasmids in treated wastewater effluent and receiving streams.

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：:Isoxaflutole is a preemergence herbicide that has been marketed as a substitute for atrazine. It is rapidly transformed to a more stable and soluble diketonitrile degradate (DKN) after field application and can further degrade to a benzoic acid degradate (BA) within soil. However, no previous research has been conduct...

journal_title：Journal of environmental quality

authors： Wu SH,Goyne KW,Lerch RN,Lin CH

更新日期：2011-03-01 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：:Restored riparian wetlands in the Upper Mississippi River basin have potential to remove sediment and nutrients from tributaries before they flow into the Mississippi River. For 3 yr we calculated retention efficiencies of a marsh complex, which consisted of a restored marsh and an adjacent natural marsh that were con...

journal_title：Journal of environmental quality

authors： Kreiling RM,Schubauer-Berigan JP,Richardson WB,Bartsch LA,Hughes PE,Cavanaugh JC,Strauss EA

更新日期：2013-03-01 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：: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：:Phosphorus (P) runoff from fields fertilized with swine (Sus scrofa domesticus) manure may contribute to eutrophication. The objective of this study was to evaluate the effect of aluminum sulfate (alum) and aluminum chloride applications to swine manure on P runoff from small plots cropped to tall fescue (Festuca arun...

journal_title：Journal of environmental quality

authors： Smith DR,Moore PA Jr,Griffis CL,Daniel TC,Edwards DR,Boothe DL

更新日期：2001-05-01 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：:Water quality concerns and revised regulations are changing how confined animal feeding operations manage manure. Devising acceptable and feasible changes in manure practices requires a full understanding of the forces shaping current manure management decisions. Previous theoretical models have shown that a wide rang...

journal_title：Journal of environmental quality

authors： Lory JA,Massey RE,Zulovich JM,Hoehne JA,Schmidt AM,Carlson MS,Fulhage CD

更新日期：2004-05-01 00:00:00

abstract：:Digestion of municipal wastewater biosolids is a necessary prerequisite to their beneficial use in land application, in order to protect public health and the receiving environment. In this study, 13 pharmaceuticals and personal care products (PPCPs), 11 musks, and 17 polybrominated diphenyl ethers were analyzed in 84...

journal_title：Journal of environmental quality

authors： Guerra P,Kleywegt S,Payne M,Svoboda ML,Lee HB,Reiner E,Kolic T,Metcalfe C,Smyth SA

更新日期：2015-07-01 00:00:00

abstract：:In confined animal feeding operations, liquid manure systems present special handling and storage challenges because of the large volume of diluted wastes. Water treatment polymers and mineral phosphorus (P) immobilizing chemicals [AI2(SO4)3 x 18H2O, FeCl3-6H2O, and Class C fly ash] were used to determine particulate ...

journal_title：Journal of environmental quality

authors： Dao TH,Daniel TC

更新日期：2002-07-01 00:00:00

abstract：:We compare subsurface-drainage NO-N and total reactive phosphorus (TRP) concentrations and yields of select bioenergy cropping systems and their rotational phases. Cropping systems evaluated were grain-harvested corn-soybean rotations, grain- and stover-harvested continuous corn systems with and without a cover crop, ...

journal_title：Journal of environmental quality

authors： Daigh AL,Zhou X,Helmers MJ,Pederson CH,Horton R,Jarchow M,Liebman M

更新日期：2015-09-01 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：:Practical guidelines addressing the timing of manure and nutrient application must consider the concerns of the farm operators while ensuring the protection of the environment. An approach was developed and analyzed through case studies to determine the first recommended day in the spring, and the last in the fall, fo...

journal_title：Journal of environmental quality

authors： Fallow DJ,Brown DM,Lauzon JD,Parkin GW

更新日期：2007-01-09 00:00:00

abstract：:Because organic sorption in soil may never reach equilibrium, a thin-disc flow nonequilibrium method may be helpful in understanding herbicide-soil interactions. This research was conducted to (i) determine the influence of incubation time on imazaquin [2-(4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl)...

journal_title：Journal of environmental quality

authors： Smith MC,Shaw DR,Massey JH,Boyette M,Kingery W

更新日期：2004-03-01 00:00:00

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：: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：: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：:Long-term water quality records for assessing natural variability, impact of management, and that guide regulatory processes to safeguard water resources are rare for California oak woodland rangelands. This study presents a 20-yr record (1981-2000) of nitrate-nitrogen (NO(3)-N) and suspended sediment export from a ty...

journal_title：Journal of environmental quality

authors： Lewis DJ,Singer MJ,Dahlgren RA,Tate KW

更新日期：2006-10-27 00:00:00

abstract：:Macropores formed by roots are crucial channels for preferential flows in forest soils that are largely responsible for water percolation and solute leaching. Using dual-tracer experiments (Brilliant Blue FCF and bromide [Br]), this study investigated the preferential flows of water and solutes in a deciduous forest d...

journal_title：Journal of environmental quality

authors： Luo Z,Niu J,Zhang L,Chen X,Zhang W,Xie B,Du J,Zhu Z,Wu S,Li X

更新日期：2019-01-01 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：:The area under no-till (NT) in Brazil reached 22 million ha in 2004-2005, of which approximately 45% was located in the southern states. From the 1970s to the mid-1980s, this region was a source of carbon dioxide to the atmosphere due to decrease of soil carbon (C) stocks and high consumption of fuel by intensive till...

journal_title：Journal of environmental quality

authors： Amado TJ,Bayer C,Conceição PC,Spagnollo E,de Campos BH,da Veiga M

更新日期：2006-07-06 00:00:00

abstract：:A significant need exists to improve our understanding of the extent of greenhouse gas emissions from the storage of livestock manure to both improve the reliability of inventory assessments and the impact of beneficial management practice adoption. Factors affecting the extent and variability of greenhouse gas emissi...

journal_title：Journal of environmental quality

authors： Le Riche EL,VanderZaag AC,Wood JD,Wagner-Riddle C,Dunfield K,Ngwabie NM,McCabe J,Gordon RJ

更新日期：2016-11-01 00:00:00

abstract：:When wetlands are disturbed by cattle, pulses of contaminants may be released. We studied nitrogen exports from a small pastoral wetland (1725 m) in the Lake Taupo Catchment, New Zealand, to which cattle and sheep had periodic access. Flow, turbidity, and water quality samples were collected at the wetland outlet over...

journal_title：Journal of environmental quality

authors： McKergow LA,Rutherford JC,Timpany GC

更新日期：2012-09-01 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：: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：:This study focused on the dissipation of propanil and 3,4 dichloroaniline (3,4 DCA) over time in the soil, field water, inlet water, and outlet water of paddy fields under three management systems: conventional water seeding (CON), conventional water seeding with supplied liquid manure (LMA), and dry seeding (DRY). Pr...

journal_title：Journal of environmental quality

authors： Milan M,Vidotto F,Piano S,Negre M,Ferrero A

更新日期：2012-09-01 00:00:00

abstract：:The accumulation of polycyclic aromatic hydrocarbons (PAH) in soil, plants, and water may impart negative effects on ecosystem and human health. We quantified the concentration and distribution of 41 PAH (n = 32), organic C, total N, and S (n = 140) and investigated PAH sources using a chronosequence of floodplain soi...

journal_title：Journal of environmental quality

authors： Sartori F,Wade TL,Sericano JL,Mohanty BP,Smith KA

更新日期：2010-02-19 00:00:00

abstract：:Most farms have a centralized location to fill spray tanks with pesticides and to flush and clean application equipment. These sites, depending on the frequency of use, could be significant sources of surface and groundwater contamination. One approach to minimize this contamination is to install a treatment system, s...

journal_title：Journal of environmental quality

authors： Chu B,Eivazi F

更新日期：2018-03-01 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