解剖学和形态学
麻醉学
听力与言语-语言病理学
行为科学
心脏和心血管系统
细胞和组织工程学
临床神经病学
危重症监护医学
牙科,口腔外科和医学
皮肤病学
急诊医学
内分泌学和新陈代谢
肠胃学和肝脏学
老人病学和老年医学
卫生保健科学和服务
血液学
免疫学
传染病
综合和补充性医学
医学伦理学
医学信息学
医学实验室技术
医学,全科和内科
医学,法律
医学,研究和试验
神经系统科学
护理
营养学和饮食学
产科医学和妇科医学
肿瘤学
眼科学
整形外科学
耳鼻喉科学
病理学
儿科学
周围血管疾病
药理学和药剂学
生理学
基本医疗保健
精神病学
公共、环境和职业卫生
放射学,核医学和医学成像
康复学
生殖生物学
呼吸系统
风湿病学
运动科学
外科学
毒理学
热带医学
泌尿学和肾脏学
病毒学
老年医学
健康政策和服务
心理学,临床
abstract::Pesticides are responsible for nearly 1900 water quality impairments in the United States. Impacts of pesticide runoff on aquatic ecosystems can be mitigated by implementing management practices such as constructed wetlands, grass buffers, and vegetated ditches. A new practice currently being examined is the use of ri...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2018.04.0154
更新日期:2018-11-01 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
pub_type: 杂志文章
doi:10.2134/jeq2018.02.0078
更新日期:2018-11-01 00:00:00
abstract::Gypsum has a long history as a soil amendment. Information on how flue gas desulfurization (FGD) gypsum affects soil, water, and plant properties across a range of climates and soils is lacking. We conducted a meta-analysis using data from 10 field sites in the United States (Alabama, Arkansas, Indiana, New Mexico, No...
journal_title:Journal of environmental quality
pub_type: 杂志文章,meta分析
doi:10.2134/jeq2018.04.0163
更新日期:2018-09-01 00:00:00
abstract::Restoration of highly degraded urban coastal waters often requires large-scale, complex projects, but in the interim, smaller-scale efforts can provide immediate improvements to water quality conditions for visitor use. We examined short-term efforts to improve recreational water quality near the Grand Calumet River (...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2017.11.0461
更新日期:2018-09-01 00:00:00
abstract::Heavy manure-derived contamination of soils can make animal congregating areas nonpoint sources for environmental pollution. In situ soil stabilization is a cost-effective management strategy with a focus on lowering contaminant availability and limiting release to the environment. Soil stabilizing amendments can help...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2018.02.0088
更新日期:2018-09-01 00:00:00
abstract::Quantitative polymerase chain reaction (qPCR) was used by the USEPA to establish new recreational water quality criteria in 2012 using the indicator bacteria enterococci. The application of this method has been limited, but resource managers are interested in more timely monitoring results. In this study, we evaluated...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2017.11.0462
更新日期:2018-09-01 00:00:00
abstract::While the US Midwest is expected to serve as a primary feedstock source for cellulosic biofuel production, the impacts of residue harvesting on soil organic carbon (SOC) may greatly limit sustainable production capacity. However, viable feedstock production could be realized through adoption of management practices an...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2017.04.0177
更新日期:2018-07-01 00:00:00
abstract::Chloride contamination of rivers due to nonpoint sources is increasing throughout developed temperate regions due to road salt application in winter. We developed a river-network model of chloride loading to watersheds to estimate road salt application rates and investigated the meteorological factors that control riv...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2017.11.0418
更新日期:2018-07-01 00:00:00
abstract::Accurately capturing dynamic soil response to disturbance effects in agroecosystem models remains elusive, thereby limiting projections of climate change mitigation potential. Perennial grasses cultivated in zero-tillage management systems hold promise as sustainable agroecosystems. High-yielding tropical C grasses of...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2017.07.0280
更新日期:2018-07-01 00:00:00
abstract::Agricultural nutrient management is an issue due to P loss from fields and water quality degradation. This is especially true in watersheds where a history of P application in excess of crop needs has resulted in elevated soil P (legacy P). As practices and policy are implemented in such watersheds to reduce P loss, i...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2017.12.0481
更新日期:2018-05-01 00:00:00
abstract::The effect of liquid hog manure (LHM) and commercial fertilizer on NO-N leaching was measured for 2 yr in a long-term manure experiment on a loamy sand soil at Carberry, MB. The field experiment, sown to barley ( L.) and wheat ( L.), comprised six treatments including two rates of LHM (28, 084 and 56,168 L ha [2500 an...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2017.08.0333
更新日期:2018-05-01 00:00:00
abstract::Declines in acidic deposition across Europe and North America have led to decreases in surface water acidity and signs of chemical recovery of soils from acidification. To better understand the link between recovery of soils and surface waters, chemical trends in precipitation, soils, and streamwater were investigated...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2017.08.0335
更新日期:2018-05-01 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
pub_type: 杂志文章
doi:10.2134/jeq2016.04.0124
更新日期:2018-03-01 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
pub_type: 杂志文章
doi:10.2134/jeq2017.07.0282
更新日期:2018-03-01 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::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::Broiler litter contains 17β-estradiol, estrone, and testosterone, which can contaminate surface waters when surface applied to grasslands and no-till fields. The objective of this study was to evaluate the effects of litter type (full or cake cleanout), litter treatment (none or sodium bisulfate), and number of flocks...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2017.08.0301
更新日期:2018-01-01 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
pub_type: 杂志文章,评审
doi:10.2134/jeq2016.09.0377
更新日期:2017-11-01 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
pub_type: 杂志文章
doi:10.2134/jeq2016.08.0316
更新日期:2017-11-01 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
pub_type: 杂志文章
doi:10.2134/jeq2016.05.0185
更新日期:2017-11-01 00:00:00
abstract::Increased application of nitrogen (N) fertilizers in agricultural systems contributes to significant environmental impacts, including eutrophication of fresh and coastal waters. Rice cutgrass [ (L.) Sw.] can significantly enhance denitrification potential in agricultural ditch sediments and potentially reduce N export...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2016.11.0450
更新日期:2017-11-01 00:00:00
abstract::Knowledge about environmental impacts associated with the application of anaerobic digestion residue to agricultural land is of interest owing to the rapid proliferation of biogas plants worldwide. However, virtually no information exists concerning how soil-emitted NO is affected by the feedstock hydraulic retention ...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2017.03.0117
更新日期:2017-09-01 00:00:00
abstract::Standard methods for the evaluation of recreational water quality rely on generic bacterial indicators such as . However, does not provide enough information to determine fecal source or public health risk. The stsudy objective was to determine factors influencing the presence of and host-specific markers (HSM) from u...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2017.03.0105
更新日期:2017-09-01 00:00:00
abstract::To integrate biochar as a practical and successful remedial amendment at northern landfarms, components of its formulation and application must be optimized for site-specific environmental conditions. Different biochar amendments were applied to petroleum hydrocarbon (PHC)-contaminated soil at two northern field sites...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2017.01.0038
更新日期:2017-07-01 00:00:00
abstract::Successful remediation of oil-contaminated agricultural land may include the goal of returning the land to prespill levels of agricultural productivity. This productivity may be measured by crop yield, quality, and safety, all of which are influenced by soil characteristics. This research was conducted to determine if...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2017.03.0115
更新日期:2017-07-01 00:00:00
abstract::Livestock slurry is a major source of atmospheric methane (CH), but surface crusts harboring methane-oxidizing bacteria (MOB) could mediate against CH emissions. This study examined conditions for CH oxidation by in situ measurements of oxygen (O) and nitrous oxide (NO), as a proxy for inorganic N transformations, in ...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2017.02.0047
更新日期:2017-07-01 00:00:00
abstract::Every year, the production of coal-bed natural gas in the Powder River Basin results in the discharge of large amounts of coal-bed methane water (CBMW) in Wyoming; however, no sustainable disposal methods for CBMW are currently available. A greenhouse study was conducted to evaluate the potential to use CBMW as a sour...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2016.10.0403
更新日期:2017-05-01 00:00:00
abstract::An emerging poultry manure management practice is in-house windrowing to disinfect the litter. However, this practice is likely to increase emissions of ammonia (NH) and nitrous oxide (NO) from the windrowed litter. The objective of this study was to quantitatively compare NH and NO emissions from broiler houses with ...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2016.09.0368
更新日期:2017-05-01 00:00:00
abstract::Acidification of livestock manure can reduce emission of the greenhouse gases methane (CH) and nitrous oxide (NO), as well as ammonia (NH). We examined the relation between emission of these gases and transformation of organic matter as affected by acidification. Liquid cattle manure was acidified with sulfuric acid t...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2016.10.0409
更新日期:2017-05-01 00:00:00
abstract::Metal contaminants in soils can persist for millennia, causing lasting negative impacts on local ecosystems. Long-term contaminant bioavailability is related to soil pH and to the strength and stability of solid-phase associations. We combined physical density separation with synchrotron-based microspectroscopy to red...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2016.05.0184
更新日期:2017-03-01 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
pub_type: 杂志文章
doi:10.2134/jeq2016.09.0335
更新日期:2017-03-01 00:00:00
abstract::High grazing pressure can lead to soil erosion in pastures, causing increased sediment delivery to waterways. The objectives of this research were to evaluate the impact of grazing management and buffer strips on soil erosion by assessing soil physical properties, hydrology, and sediment loads from pastures fertilized...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2016.09.0378
更新日期:2017-03-01 00:00:00
abstract::There are few beneficial management practices (BMPs) with demonstrated efficacy in snowmelt-dominated regions. Small reservoirs are a BMP that can help mitigate flooding and reduce sediment transport, while reducing export of dissolved nutrients. To understand controls on nitrate removal and assess how this ecosystem ...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2016.07.0252
更新日期:2017-01-01 00:00:00
abstract::Intensification of pastoral dairy systems often means more nitrogen (N) leaching. A number of mitigation strategies have been proposed to reduce or reverse this trend. The main strategies focus on reducing the urinary N load onto pastures or reducing the rate of nitrification once the urine has been deposited. Restric...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2016.08.0325
更新日期:2017-01-01 00:00:00
abstract::Horse paddocks have been identified as a significant contributor of animal waste nutrients to natural waters; thus, modified paddock management is needed. Because chemical amendments pose a health risk to horses, an alternative for reducing nutrient translocation from manure is to add available organic residues to the...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2016.06.0223
更新日期:2017-01-01 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
pub_type: 杂志文章
doi:10.2134/jeq2016.04.0122
更新日期:2016-11-01 00:00:00
abstract::Wetland soils are able to exhibit both consumption and production of greenhouse gases, and they play an important role in the regulation of the global carbon (C) cycle. Still, it is challenging to accurately evaluate the actual amount of C stored in wetlands. The incorporation of remote sensing data into digital soil ...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2016.03.0076
更新日期:2016-11-01 00:00:00
abstract::This study compares two methods of dairy manure application-surface broadcast and shallow disk injection-on the fate and transport of natural estrogens in surface runoff from 12 field plots in central Pennsylvania. Ten natural surface runoff events were sampled over a 9-mo period after fall manure application. Results...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2016.05.0173
更新日期:2016-11-01 00:00:00
abstract::Nitrogen sources in the Mississippi River basin have been linked to degradation of stream ecology and to Gulf of Mexico hypoxia. In 2013, the USGS and the USEPA characterized water quality stressors and ecological conditions in 100 wadeable streams across the midwestern United States. Wet conditions in 2013 followed a...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2015.12.0591
更新日期:2016-09-01 00:00:00
abstract::Greenhouse gas (GHG) emission measurements from livestock excreta in Africa are limited. We measured CH and NO emissions from excreta of six Boran () and six Friesian () steers near Nairobi, Kenya. The steers were fed one of three diets (T1 [chaffed wheat straw], T2 [T1 + Meissner - 0.2% live weight per day], and T3 [...
journal_title:Journal of environmental quality
pub_type: 杂志文章
doi:10.2134/jeq2016.02.0050
更新日期:2016-09-01 00:00:00