Nutrient and sediment losses under simulated rainfall following manure incorporation by different methods.

abstract：:Phosphorus is among the essential nutrients applied to sugarcane ( L.) fields in the form of a fertilizer mixture (N, P, and K) in southwestern Florida. Sorption coefficient is used for modeling P movement, and in this study, we hypothesized that the sorption coefficient determined using fertilizer mixture (N, P, and ...

journal_title：Journal of environmental quality

authors： Muwamba A,Nkedi-Kizza P,Morgan KT

更新日期：2016-09-01 00:00:00

abstract：:Drift from pesticide spray application can result in contamination of nontarget environments such as surface waters. Azinphos-methyl (AZI) and endosulfan (END) deposition in containers of water was studied in fruit orchards in the Western Cape, South Africa. Additionally, attention was given to the contamination in fa...

journal_title：Journal of environmental quality

authors： Schulz R,Peall SK,Dabrowski JM,Reinecke AJ

更新日期：2001-05-01 00:00:00

abstract：:Current vegetable production systems use polyethylene (plastic) mulch and require multiple applications of agrochemicals. During rain events, runoff from vegetable production is enhanced because 50 to 75% of the field is covered with an impervious surface. This study was conducted to quantify off-site movement of soil...

journal_title：Journal of environmental quality

authors： Rice PJ,McConnell LL,Heighton LP,Sadeghi AM,Isensee AR,Teasdale JR,Abdul-Baki AA,Harman-Fetcho JA,Hapeman CJ

更新日期：2001-09-01 00:00:00

abstract：:This study investigated the ability of a 10-yr-old constructed wetland to treat metal-contaminated leachate emanating from a coal ash pile at the Widows Creek electric utility, Alabama (USA). The two vegetated cells, which were dominated by cattail (Typha latifolia L.) and soft rush (Juncus effusus L.), were very effe...

journal_title：Journal of environmental quality

authors： Ye ZH,Whiting SN,Qian JH,Lytle CM,Lin ZQ,Terry N

更新日期：2001-09-01 00:00:00

abstract：:Livestock impacts on total suspended solids (TSS) and pathogen (e.g., ) levels in rangeland streams are a serious concern worldwide. Herded stream crossings by domestic sheep () are periodic, necessary managerial events on high-elevation rangelands, but their impacts on stream water quality are largely unknown. We eva...

journal_title：Journal of environmental quality

authors： Clark PE,Moffet CA,Lewis GS,Seyfried MS,Hardegree SP,Pierson FB

更新日期：2012-09-01 00:00:00

abstract：:Pre-emergence herbicide residues were detected in domestic wells sampled near Tracy, CA. This study sought to determine the source of contamination by comparing soil distribution of diuron [N'-(3,4-dichlorophenyl)-N,N-dimethylurea] and hexazinone [3-cyclohexyl-6-(dimethylamino)-1-methyl-1,3,5-triazine-2,4(1H,3H)-dione...

journal_title：Journal of environmental quality

authors： Prichard T,Troiano J,Marade J,Guo F,Canevari M

更新日期：2005-10-12 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：:Excessive loading of sediment and nutrients to rivers is a major problem in many parts of the United States. In this study, we tested the non-parametric Seasonal Kendall (SEAKEN) trend model and the parametric USGS Quality of Water trend program (QWTREND) to quantify trends in water quality of the Minnesota River at F...

journal_title：Journal of environmental quality

authors： Johnson HO,Gupta SC,Vecchia AV,Zvomuya F

更新日期：2009-03-25 00:00:00

abstract：:Previous studies have suggested that phenolic acids from legume green manures may contribute to weed control through allelopathy. The objectives of this study were to investigate the oxidation reactions of phenolic acids in soil and to determine the subsequent effects of oxidation upon phytotoxicity. Soils were reacte...

journal_title：Journal of environmental quality

authors： Ohno T

更新日期：2001-09-01 00:00:00

abstract：:Increased phosphorus (P) availability under flooded, anaerobic conditions may accelerate P loss from soils to water bodies. Existing knowledge on P release to floodwater from flooded soils is limited to summer conditions and/or room temperatures. Spring snowmelt runoff, which occurs under cold temperatures with freque...

journal_title：Journal of environmental quality

authors： Kumaragamage D,Concepcion A,Gregory C,Goltz D,Indraratne S,Amarawansha G

更新日期：2020-05-01 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：:Nutrient management plans (NMPs) for application of wastewater from concentrated animal feeding operations are designed to meet crop water and nutrient requirements, but implicitly assume that pathogenic microorganisms in the wastewater will be retained and die-off in the root zone. A NMP was implemented on a field pl...

journal_title：Journal of environmental quality

authors： Bradford SA,Segal E

更新日期：2009-06-23 00:00:00

abstract：:Beef cattle feedlots emit large amounts of the greenhouse gases (GHG) methane (CH) and nitrous oxide (NO), as well as ammonia (NH), which contributes to NO emission when NH is deposited to land. However, there is a lack of simultaneous, in situ, and nondisturbed measurements of the major GHG gas components from beef c...

journal_title：Journal of environmental quality

authors： Bai M,Flesch TK,McGinn SM,Chen D

更新日期：2015-11-01 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：:The influence of zoonotic pathogens in animal manure on human health and well-being as a direct or indirect cause of human enteric illness is examined. Available international data are considered, but the study is focused on the developing situation in western Canada, where it is certain there will be further rapid gr...

journal_title：Journal of environmental quality

authors： Guan TY,Holley RA

更新日期：2003-03-01 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：: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：: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：:Placement strategies for P fertilizer can affect P availability to crops and influence the amounts and forms of P removed from soil in runoff, contributing to eutrophication. On the Canadian prairies, most runoff occurs during snowmelt. Two adjacent farm fields in Saskatchewan, Canada, were used to assess the effects ...

journal_title：Journal of environmental quality

authors： Wiens JT,Cade-Menun BJ,Weiseth B,Schoenau JJ

更新日期：2019-05-01 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：: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

abstract：:Closed chambers used to measure soil-atmosphere exchange of trace gases including nitrous oxide (N(2)O) and carbon dioxide (CO(2)) generate errors due to suppression of the gas concentration gradient at the soil-atmosphere interface. A method is described here for estimating the magnitude of flux underestimation arisi...

journal_title：Journal of environmental quality

authors： Venterea RT

更新日期：2009-12-30 00:00:00

abstract：:The advent of real-time, short-term farm management tools is motivated by the need to protect water quality above and beyond the general guidance offered by existing nutrient management plans. Advances in high-performance computing and hydrologic or climate modeling have enabled rapid dissemination of real-time inform...

journal_title：Journal of environmental quality

authors： Easton ZM,Kleinman PJA,Buda AR,Goering D,Emberston N,Reed S,Drohan PJ,Walter MT,Guinan P,Lory JA,Sommerlot AR,Sharpley A

更新日期：2017-11-01 00:00:00

abstract：:Terbuthylazine (TA) is a herbicide that has been introduced for weed control in corn cultivations as a direct replacement for atrazine. Because incorporation of different organic amendments (OAs) is a common practice in this crop, this study investigated the effects of different OAs, including urban sewage sludge, pou...

journal_title：Journal of environmental quality

authors： Dolaptsoglou C,Karpouzas DG,Menkissoglu-Spiroudi U,Eleftherohorinos I,Voudrias EA

更新日期：2009-02-25 00:00:00

abstract：:Pharmaceuticals used in animal feeding operations have been detected in various environmental settings. There is a growing concern about the impact on terrestrial and aquatic organisms and the development of antibiotic-resistant strains of microorganisms. Pharmaceutical use in milking cows is relatively limited compar...

journal_title：Journal of environmental quality

authors： Watanabe N,Harter TH,Bergamaschi BA

更新日期：2008-09-01 00:00:00

abstract：:Surface seeps can be defined as locations where upwelling ground water saturates the surface for most of the year and excess ground water can be delivered to the stream channel via surface flowpaths. If a stream is predominantly fed by seeps, then ground water added to the stream via these surface flowpaths may result...

journal_title：Journal of environmental quality

authors： O'Driscoll MA,DeWalle DR

更新日期：2009-12-30 00:00:00

abstract：:Phosphorus (P) runoff from manure can lead to eutrophication of surface water and algae growth. This study evaluates the impacts of alternative P reduction practices on dairy farm net returns and on potential P runoff. The P control practices include dairy herd nutrient management, crop nutrient management, and runoff...

journal_title：Journal of environmental quality

authors： Bosch DJ,Wolfe ML,Knowlton KF

更新日期：2006-04-26 00:00:00

abstract：:High suspended sediment (SPS) concentration commonly exists in many Asian rivers. Furthermore, climate change can cause high floods and lead to the resuspension of sediments and soil erosion, resulting in high SPS concentration in many natural waters. This research studied the impact of the presence of SPS and organic...

journal_title：Journal of environmental quality

authors： Xia X,Zhou Z,Zhou C,Jiang G,Liu T

更新日期：2011-01-01 00:00:00

abstract：:Poultry litter (PL) is a by-product of broiler production. Most PL is land applied. Land-applied PL is a valuable nutrient source for crop production but can also be a route of environmental contamination with manure-borne bacteria. The objective of this study was to characterize the fate of pathogens, fecal indicator...

journal_title：Journal of environmental quality

authors： Cook KL,Netthisinghe AM,Gilfillen RA

更新日期：2014-09-01 00:00:00

abstract：:The Langmuir model is commonly used for describing the sorption behavior of reactive solutes to surfaces and is often fit to sorption data using nonlinear least squares regression. An important assumption of least squares regression is that the predictor variable is error free. In the case of sorption data, this assum...

journal_title：Journal of environmental quality

authors： Bolster CH

更新日期：2008-08-08 00:00:00