Narrow-waveband reflectance ratios for remote estimation of nitrogen status in cotton.

abstract：:This paper reports the use of a new technique, flow field-flow fractionation (FlFFF), for the characterization of soil sampled under grassland. FlFFF can be used to determine the fine colloidal material in the <1 microm fraction obtained by gravitational settling of 1% m/v soil suspensions. The aim of this work was to...

journal_title：Journal of environmental quality

authors： Gimbert LJ,Haygarth PM,Worsfold PJ

更新日期：2008-06-23 00:00:00

abstract：:With increasing concern over potential polltion from farm wastes, there is a need for rapid and robust methods that can analyze livestock manure nutrient content. The near infrared spectroscopy (NIRS) method was used to determine nutrient content in diverse poultry manure samples (n=91). Various standard preprocessing...

journal_title：Journal of environmental quality

authors： Chen LJ,Xing L,Han LJ

更新日期：2010-09-01 00:00:00

abstract：:Constructed wetland treatment systems are used to remove selenium (Se) from flue-gas desulfurization (FGD) wastewater (WW). However, direct confirmation of the mechanism responsible for FGD WW Se retention in soil is lacking. A laboratory-based soil column study was performed to develop an evidence-based mechanism of ...

journal_title：Journal of environmental quality

authors： Galkaduwa MB,Hettiarachchi GM,Kluitenberg GJ,Hutchinson SL,Davis L,Erickson LE

更新日期：2017-03-01 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：:Excess NO leaching from the agricultural Midwest via tile drainage water has contributed to both local drinking water and national Gulf of Mexico benthic hypoxia concerns. Both in-field and edge-of-field practices have been designed to help mitigate NO flux to surface waters. Edge-of-field practices focus on maximizin...

journal_title：Journal of environmental quality

authors： Groh TA,Davis MP,Isenhart TM,Jaynes DB,Parkin TB

更新日期：2019-03-01 00:00:00

abstract：:Denitrifying bioreactors are dependent on organic matter supply as a substrate for effective NO removal. In this study, the difference in removal efficiency and side effects when using different organic matter sources and dosing strategies was tested in two field experiments. The organic matter sources tested were woo...

journal_title：Journal of environmental quality

authors： Jansen S,Stuurman R,Chardon W,Ball S,Rozemeijer J,Gerritse J

更新日期：2019-03-01 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：:On-site septic systems require appropriate soil characteristics to provide effective wastewater treatment. The objective of this study was to evaluate siting practices and treatment efficacy of on-site septic systems within the Cannonsville Reservoir watershed (115900 ha) in the state of New York. Using digital soil s...

journal_title：Journal of environmental quality

authors： Day L

更新日期：2004-11-01 00:00:00

abstract：:Transport of phosphorus (P) from agricultural fields to water bodies deteriorates water quality and causes eutrophication. To reduce P losses and optimize P use efficiency by crops, better knowledge is needed of P turnover in soil and the efficiency of best management practices (BMPs). In this review, we examined thes...

journal_title：Journal of environmental quality

authors： Bergström L,Kirchmann H,Djodjic F,Kyllmar K,Ulén B,Liu J,Andersson H,Aronsson H,Börjesson G,Kynkäänniemi P,Svanbäck A,Villa A

更新日期：2015-03-01 00:00:00

abstract：:Bedding materials may affect air quality in livestock facilities. Our objective in this study was to compare headspace concentrations of ammonia (NH), total reduced sulfides (TRS), carbon dioxide (CO), methane (CH), and nitrous oxide (NO) when pine wood chips ( spp.) and corn stover ( L.) were mixed in various ratios ...

journal_title：Journal of environmental quality

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

更新日期：2016-03-01 00:00:00

abstract：:Arsenic is highly toxic and therefore represents a potential threat to the environment and human health. The mobility and bioavailability of arsenic in soil is mostly controlled by adsorption and desorption reactions. Even though adsorption and traditional batch desorption experiments provide information about the env...

journal_title：Journal of environmental quality

authors： Quaghebeur M,Rate A,Rengel Z,Hinz C

更新日期：2005-03-01 00:00:00

abstract：:Roadside vegetation provides a multitude of ecosystem services, including pollutant remediation, runoff reduction, wildlife habitat, and aesthetic scenery. Establishment of permanent vegetation along paved roads after construction can be challenging, particularly within 1 m of the pavement. Adverse soil conditions cou...

journal_title：Journal of environmental quality

authors： Mills SD,Mamo M,Ruis SJ,Blanco-Canqui H,Schacht WH,Awada T,Li X,Sutton P

更新日期：2020-12-10 00:00:00

abstract：:County-level agricultural statistics were aggregated at the watershed level to provide estimates of trends in land use and agricultural management in the Maumee and Sandusky River watersheds during the period 1975-1995. Average farm size increased by 40% or more, but the number of farms decreased by nearly 40%; the to...

journal_title：Journal of environmental quality

authors： Richards RP,Baker DB,Eckert DJ

更新日期：2002-01-01 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：:Place-based resource management, such as watershed or ecosystem management, is being promoted to replace the media-focused approach for achieving water quality protection. We monitored the agricultural area of a 740-ha watershed to determine the nature and scale of farm material transfers, N and P balances, and farmer...

journal_title：Journal of environmental quality

authors： Nord EA,Lanyon LE

更新日期：2003-03-01 00:00:00

abstract：:Landscape representations based on land cover databases differ significantly from the real landscape. Using a land cover database with high uncertainty as input for emission inventory analyses can cause propagation of systematic and random errors. The objective of this study was to analyze how different land cover rep...

journal_title：Journal of environmental quality

authors： Nol L,Verburg PH,Heuvelink GB,Molenaar K

更新日期：2008-05-02 00:00:00

abstract：:Chloride is a relatively unreactive plant nutrient that has long been used as a biogeochemical tracer but also can be a pollutant causing aquatic biology impacts when concentrations are high, typically from rock salt applications used for deicing roads. Chloride inputs to watersheds are most often from atmospheric dep...

journal_title：Journal of environmental quality

authors： David MB,Mitchell CA,Gentry LE,Salemme RK

更新日期：2016-01-01 00:00:00

abstract：:Phosphogypsum (PG), a by-product of the phosphate fertilizer industry, reduces N losses when added to composting livestock manure, but its impact on greenhouse gas emissions is unclear. The objective of this research was to assess the effects of PG addition on greenhouse gas emissions during cattle feedlot manure comp...

journal_title：Journal of environmental quality

authors： Hao X,Larney FJ,Chang C,Travis GR,Nichol CK,Bremer E

更新日期：2005-04-20 00:00:00

abstract：:Conversions of Mollisols from prairie to cropland and subsequent changes in crop production practices in the Midwestern USA have resulted in changes in soil organic matter. Few studies have used archived samples, long-term resampling of soils to a depth of 1 m, and space for time studies to document these changes. We ...

journal_title：Journal of environmental quality

authors： David MB,McIsaac GF,Darmody RG,Omonode RA

更新日期：2009-01-13 00:00:00

abstract：:Antibiotics may appear in the environment when manure, sewage sludge, and other organic amendments are added to soils. There is concern that the presence of antibiotics in soils may lead to the development of antibiotic-resistant bacteria which may spread to the rest of the environment. This paper aims at evaluating t...

journal_title：Journal of environmental quality

authors： Allaire SE,Del Castillo J,Juneau V

更新日期：2006-05-31 00:00:00

abstract：:Glyphosate (N-phosphonometylglycine) is widely used due to its broad spectrum of activity and nonselective mode of action. In Chile it is the most used herbicide, but its adsorption behavior in the abundant and widespread variable charge soils is not well understood. In this study, three volcanic ash-derived soils wer...

journal_title：Journal of environmental quality

authors： Cáceres-Jensen L,Gan J,Báez M,Fuentes R,Escudey M

更新日期：2009-05-20 00:00:00

abstract：:Although the importance of vascular plant-derived dissolved organic carbon (DOC) in freshwater systems has been studied, the role of leached DOC as precursors of disinfection byproducts (DBPs) during drinking water treatment is not well known. Here we measured the propensity of leachates from four crops and four aquat...

journal_title：Journal of environmental quality

authors： Pellerin BA,Hernes PJ,Saraceno J,Spencer RG,Bergamaschi BA

更新日期：2010-04-13 00:00:00

abstract：:Calcium superphosphate and apple ( Mill.) waste can be used for controlling N loss and improving compost quality during composting, whereas integrated addition of the two additives on composting process remains unexplored. Therefore, this study was conducted to investigate the effects of combined use of calcium superp...

journal_title：Journal of environmental quality

authors： Jiang J,Kang K,Zhang C,Yan G,Lv J,Li Y

更新日期：2019-09-01 00:00:00

abstract：:China's vegetable production has experienced a rapid growth in recent years. Total production amounted to 522.7 million Mg (1 Mg = 10 g) in 2009, which was more than nine times that in 1980 and represented >50% of the world production. Meanwhile, excessive use of animal manures and chemical fertilizers in vegetable fi...

journal_title：Journal of environmental quality

authors： Yan Z,Liu P,Li Y,Ma L,Alva A,Dou Z,Chen Q,Zhang F

更新日期：2013-07-01 00:00:00

abstract：:Urea-nitrogen (N) is commonly applied to crop fields, yet it is not routinely monitored despite its association with reduced water quality and its ability to increase toxicity of certain phytoplankton species. The purpose of this work was to characterize temporal fluctuations in urea-N concentrations and associated en...

journal_title：Journal of environmental quality

authors： Klick SA,Pitula JS,Bryant RB,Collick AS,Hashem FM,Allen AL,May EB

更新日期：2020-10-27 00:00:00

abstract：:Antibiotic resistance analysis (ARA) was used to determine if enterococci of human origin were present in a stream (Spout Run) that passes through a rural nonsewered community (Millwood, VA). Millwood consists of 82 homes, all served by individual septic systems, and Spout Run drains a 5,800-ha karst topography waters...

journal_title：Journal of environmental quality

authors： Graves AK,Hagedorn C,Teetor A,Mahal M,Booth AM,Reneau RB Jr

更新日期：2002-07-01 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：:The groundwater of Jeju Island (Republic of Korea) is vulnerable to contamination because its aquifers are mainly composed of highly permeable geological units and its agricultural fields are often exposed to excessive use of predominantly synthetic fertilizers. In the Gosan area of Jeju Island, we investigated nitrat...

journal_title：Journal of environmental quality

authors： Koh EH,Kaown D,Mayer B,Kang BR,Moon HS,Lee KK

更新日期：2012-11-01 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：: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