Abstract：
:Degradation of selected pesticides was conducted in a turfgrass soil from a golf course under open (i.e., allowing gas exchange with atmosphere) and sealed systems. The time required for 50% of the initial dose of fenitrothion (O,O-dimethyl O-4-nitro-m-tolyl phosphorothioate), diazinon (O,O-dimethyl O-2-isopropyl-6-methylpyrimidin4-yl phosphorothioate), iprodione [3-(3,5-dichlorophenyl)-N-isopropyl-2,4-dioxo-imidazolidine-1-carboxamide], mecoprop [(RS)-2-(4-chloro-otolyloxy)propionic acid], and asulam (4-aminophenylsulfonyl-carbamate) to dissipate (half-life, t 1/2) was less than 2 wk under both conditions. The t 1/2 values of dithiopyr (S,S'-dimethyl 2-difluoromethyl-4-isobutyl-6-trifluoro-methylpyridine-3,5-dicarbothioate) were 324 and 185 d under the open and sealed conditions, respectively. The t 1/2 values of isoprothiolane (di-isopropyl 1,3-dithiolan-2-ylidene-malonate), flutolanil (alpha,alpha,alpha-trifluoro-3'-isopropoxy-o-toluanilide), and benefin (N-butyl-N-ethyl-alpha,alpha,alpha-trifluoro-2,6-dinitro-p-toluidine) under the open conditions were 154, 336, and 47 d, respectively. The t 1/2 values of these pesticides increased slightly under the sealed conditions. The t 1/2 values of terbutol (2,6-di-tert-butyl-4-methylphenyl N-methycarbamate) and one of the major degradation products, N-demethyl-terbutol (2,6-di-tert-butyl-4-methylphenyl carbamate), were 182 and 291 d under the open conditions and increased by six- and threefold under the sealed conditions, respectively. The degradation system under the sealed conditions could characterize the persistence of terbutol and N-demethyl-terbutol, which were the most persistent in the field.
journal_name
J Environ Qualjournal_title
Journal of environmental qualityauthors
Suzuki T,Yaguchi K,Suzuki S,Suga Tdoi
10.2134/jeq2001.30118xsubject
Has Abstractpub_date
2001-01-01 00:00:00pages
18-23issue
1eissn
0047-2425issn
1537-2537journal_volume
30pub_type
杂志文章abstract：:In many regions, conservation tillage has replaced conventional tilling practices to reduce soil erosion, improve water conservation, and increase soil organic matter. However, tillage can have marked effects on soil properties, specifically nutrient redistribution or stratification in the soil profile. The objective ...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2009.0491
更新日期：2010-09-01 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
pub_type： 历史文章,杂志文章
doi：10.2134/jeq2003.6540
更新日期：2003-03-01 00:00:00
abstract：:The rapid economic and industrial growth of China, exemplified by a 10-fold increase in its gross domestic product in the past 15 years, has lifted millions of its citizens out of poverty but has simultaneously led to severe environmental problems. The World Health Organization estimates that approximately 2.4 million...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2011.0170
更新日期：2011-11-01 00:00:00
abstract：:Denitrifying bioreactors using woodchips or other slow-release carbon sources can be an effective method for removing nitrate (NO) from wastewater and tile drainage. However, the ability of these systems to remove fecal microbes from wastewater has been largely uninvestigated. In this study, reductions in fecal indica...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2015.06.0326
更新日期：2016-05-01 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
pub_type： 杂志文章
doi：10.2134/jeq2015.06.0302
更新日期：2016-01-01 00:00:00
abstract：:Farmers in eastern Colorado have commented that atrazine does not provide the length of weed control that they expected in fields that have received multiple applications of the herbicide. Multiple laboratory studies suggest that atrazine dissipates more rapidly in soils with a history of atrazine use compared with so...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2006.0160
更新日期：2007-01-09 00:00:00
abstract：:Water resources protection from nitrate nitrogen (NO3-N) contamination is an important public concern and a major national environmental issue. The abilities of the SOIL-SOILN model to simulate water drainage and nitrate N fluxes from orchardgrass (Dactylis glomerata L.) were evaluated using data from a 3-yr field exp...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2001.302584x
更新日期：2001-03-01 00:00:00
abstract：:Substantial amounts of self-boiling, Al-rich, hyperalkaline, and saline high-level waste fluids (HLWF) were deposited to the vadose zone at the Hanford Site, in Washington State. The objective of this study was to investigate the effects of similar fluids on the extent of dissolution and precipitation in the sediments...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2003.2354
更新日期：2003-11-01 00:00:00
abstract：:Adsorption-desorption of copper (Cu2+) at contaminated levels in two red soils was investigated. The red soil derived from the Quaternary red earths (clayey, kaolinitic thermic plinthite Aquult) (REQ) adsorbed more Cu2+ than the red soil developed on the Arenaceous rock (clayey, mixed siliceous thermic typic Dystrochr...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2002.1129
更新日期：2002-07-01 00:00:00
abstract：:Bacterial contamination of karst aquifers is a global concern as water quality deteriorates in the face of decreasing water security. Traditional abiotic groundwater tracers, which do not exhibit surface properties similar to bacteria, may not be good proxies for risk assessment of bacterial transport in karst environ...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2017.10.0406
更新日期：2018-01-01 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
pub_type： 杂志文章
doi：10.2134/jeq2004.1989
更新日期：2004-11-01 00:00:00
abstract：:Anthropogenic nitrate (NO3-) within the Mississippi-Atchafalaya River basin and discharge to the Gulf of Mexico has been linked to serious environmental problems. The sources of this NO3- have been estimated by others using mass balance methods; however, there is considerable uncertainty in these estimates. Part of th...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2005.0012
更新日期：2006-02-02 00:00:00
abstract：:Growing nitrogen (N) catch crops can reduce NO(3)-N leaching after cultivating cereals. The objective of this study was to relate NO(3)-N leaching to variation in the uptake of N and the size and distribution of the root systems of different catch crops species. In a 3-yr lysimeter experiment, phacelia (Phacelia tanac...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2009.0306
更新日期：2010-04-13 00:00:00
abstract：:Terbuthylazine [N2-tert-butyl-6-chloro-N4-ethyl-1,3,5-triazine-2,4-diamine] degradation pathways in agricultural soils were evaluated by following the appearance and mobility of its main transformation products: dealkylated and hydroxylated derivatives. Three experimental degradation studies in open field were perform...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2003.1089
更新日期：2003-05-01 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
pub_type： 杂志文章
doi：10.2134/jeq2005.0233
更新日期：2006-07-06 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
pub_type： 杂志文章
doi：10.2134/jeq2013.10.0432
更新日期：2014-09-01 00:00:00
abstract：:Terrestrial ecosystems, both natural ecosystems and agroecosystems, generate greenhouse gases (GHGs). The chamber method is the most common method to quantify GHG fluxes from soil-plant systems and to better understand factors affecting their generation and mitigation. The objective of this study was to review and syn...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.1002/jeq2.20117
更新日期：2020-09-01 00:00:00
abstract：:Fertilizer leaching affects farm profitability and contributes to nonpoint-source pollution of receiving waters. This work aimed to establish nitrate nitrogen export from La Violada Gully in relation to nitrogen fertilization practices in its basin (La Violada Gully watershed, VGW, 19,637 ha) and especially in La Viol...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2005.0065
更新日期：2006-04-03 00:00:00
abstract：:Acid waste bentonite is a byproduct from vegetable oil bleaching that is acidic (pH < 3.0) and hydrophobic. These materials are currently disposed of in landfills and could potentially have a negative impact on the effective function of microbes that are intolerant of acidic conditions. A study was undertaken using th...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2005.0455
更新日期：2006-10-27 00:00:00
abstract：:Three promising phytoextracting perennial weed species [ L. (ox-eye daisy), L. (curly dock), and L. (Canada goldenrod)] were planted in monoculture plots at two polychlorinated biphenyl (PCB)-contaminated sites in southern Ontario and followed over 2 yr to investigate the effects of plant age, contaminant characteri...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2011.0144
更新日期：2011-11-01 00:00:00
abstract：:For (134/137)Cs, and many other soil contaminants, research into transfer to plants has focused on particular crops and phytoremediation candidates, producing uptake data for a small proportion of all plant taxa. Despite the significance of differences in uptake between plant taxa, the capacity of soil-to-plant transf...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2004.0454
更新日期：2005-08-09 00:00:00
abstract：:Cadmium (Cd) is a nonessential element that occurs at above-background concentrations in many New Zealand (NZ) soils. Most of this Cd is due to the historical application of single superphosphate that was made from Nauru phosphate rock containing between 400 and 600 mg Cd kg P. Pasture Cd uptake exacerbates the entry ...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2013.09.0367
更新日期：2014-05-01 00:00:00
abstract：:The efficacy of vegetative buffer strips (VBS) in removing herbicides deposited from surface runoff is related to the ability of plant species to promote rapid herbicide degradation. A growth chamber study was conducted to compare C-atrazine (ATR) degradation profiles in soil rhizospheres from different forage grasses...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2010.0440
更新日期：2011-07-01 00:00:00
abstract：:From 1974 to 1984, 543 Mg ha(-1) of biosolids were applied to portions of a land-reclamation site in Fulton County, IL. Soil organic C increased to 5.1% then decreased significantly (p < 0.01) to 3.8% following cessation of biosolids applications (1985-1997). Metal concentrations in amended soils (1995-1997) were not ...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2004.2078
更新日期：2004-11-01 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
pub_type： 杂志文章
doi：10.2134/jeq2017.06.0237
更新日期：2018-03-01 00:00:00
abstract：:Lake Allatoona is a large reservoir north of Atlanta, GA, that drains an area of about 2870 km2 scheduled for a phosphorus (P) total maximum daily load (TMDL). The Soil and Water Assessment Tool (SWAT) model has been widely used for watershed-scale modeling of P, but there is little guidance on how to estimate P-relat...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2007.0110
更新日期：2009-01-13 00:00:00
abstract：:The subsurface transport of dissolved reactive phosphorus (DRP) from artificially drained agricultural fields can impair water quality, especially in no-till fields. The distribution of soil P in the wheat (Triticum aestivum L.)-dominated Palouse region in the inland U.S. Pacific Northwest varies greatly due to its st...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.1002/jeq2.20114
更新日期：2020-09-01 00:00:00
abstract：:We investigated the seasonal patterns of denitrification rates and potentials in soil profiles along the topohydrosequence formed at the upland-wetland interface in three riparian wetlands with different vegetation cover (i.e., forest, understory vegetation, and grass). Denitrification was measured using the acetylene...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2002.1025
更新日期：2002-05-01 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
pub_type： 杂志文章
doi：10.2134/jeq2010.0435
更新日期：2012-09-01 00:00:00
abstract：:There is increasing recognition of the adverse impacts of agricultural practices on microbial water quality leading to increased expectation on farmers to manage environmental impacts on water quality. Therefore, farmers require a tool to help them prioritize mitigations targeted at reducing fecal contamination of sur...
journal_title：Journal of environmental quality
pub_type： 杂志文章
doi：10.2134/jeq2014.07.0311
更新日期：2015-01-01 00:00:00
