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https://www.readbyqxmd.com/read/28806553/thiacloprid-adsorption-and-leaching-in-soil-effect-of-the-composition-of-irrigation-solutions
#1
José Antonio Rodríguez-Liébana, M Dolores Mingorance, Aránzazu Peña
Pressure on groundwater resources has increased during the last decades due to the growing demand, especially in arid and semiarid regions, such as the Mediterranean basin, with frequent drought periods. In order to partially remediate this environmental problem of world concern, irrigation of agricultural lands with adequately treated wastewaters (TWW) is becoming a common management practice. The complex composition of these low-quality waters may influence the behavior of organic contaminants in soils. A calcareous soil with low organic carbon content was selected for the assessment of the adsorption and leaching of the neonicotinoid insecticide thiacloprid (THC)...
August 11, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28806550/discrepant-responses-of-the-electron-transfer-capacity-of-soil-humic-substances-to-irrigations-with-wastewaters-from-different-sources
#2
Wenbing Tan, Yuan Zhang, Beidou Xi, Xiaosong He, Rutai Gao, Caihong Huang, Hui Zhang, Dan Li, Xinyu Zhao, Meng Li, Li Li, Jie Jiang, Guoan Wang
An increasing area of agricultural land is irrigated with wastewater worldwide due to the scarcity of fresh water resources. Whether wastewater irrigations can affect the electron transfer capacity (ETC) of natural organic matter in soils is unclear. In this study, we assess the responses of the electron-accepting capacity (EAC) and electron-donating capacity (EDC) of soil humic substances (HS) to irrigations with wastewaters from different sources. We show that the EAC of soil HS increases and the EDC of soil HS decreases after irrigation with domestic wastewater...
August 11, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28806285/peritoneal-cavity-lavage-reduces-the-presence-of-mitochondrial-damage-associated-molecular-patterns-in-open-abdomen-patients
#3
Patricia Angellice Martinez-Quinones, Cameron Grant McCarthy, Caleb J Mentzer, Camilla Ferreira Wenceslau, Steven Barry Holsten, R Clinton Webb, Keith O'Malley
BACKGROUND: Mitochondrial damage-associated molecular patterns (mtDAMPs), such as mitochondrial DNA and N-formylated peptides, are endogenous molecules released from tissue after traumatic injury. mtDAMPs are potent activators of the innate immune system. They have similarities with bacteria, which allow mtDAMPs to interact with the same pattern recognition receptors and mediate the development of Systemic Inflammatory Response Syndrome (SIRS). Current recommendations for management of an open abdomen include returning to the operating room every 48 hours for peritoneal cavity lavage until definitive procedure...
August 12, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28805737/effects-of-short-term-set-aside-management-practices-on-soil-microorganism-and-enzyme-activity-in-china
#4
Guangyu Li, Cifang Wu
Set-aside farmland can effectively improve the self-rehabilitation of arable soil. Long-term set-asides however cannot satisfy provisionment, therefore the use of short-term set-asides to restore cultivated soil is a better option. Few studies have compared short-term set-aside patterns, and the effects of set-asides on soil microbial community and enzyme enzymes. We analyzed the bacterial structure, microbial biomass carbon/nitrogen and enzyme activity of farmland soil under different set-aside regimes in the Yellow River Delta of China...
August 14, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28804804/life-cycle-environmental-impacts-of-bioethanol-production-from-sugarcane-molasses-in-iran
#5
Saeid Shahvarooghi Farahani, Mohammad Amin Asoodar
In recent years, bioethanol from sugarcane molasses has been produced on an industrial scale in Iran. The aim of this study was to evaluate molasses-based bioethanol production from an environmental point of view. Data were collected from Debel Khazai agro-industry situated in southern region of Iran by using face-to-face interviews and annual statistics of 2010 to 2016 (6-year life cycle of sugarcane cultivation). Ten impact categories including abiotic depletion (AD), acidification (AC), eutrophication (EP), global warming potential (GWP), ozone layer depletion (OLD), human toxicity (HT), freshwater aquatic ecotoxicity (FE), marine aquatic ecotoxicity (ME), terrestrial ecotoxicity (TE), and photochemical oxidation (PO) were selected based on CML methodology...
August 13, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28803205/water-footprint-assessment-for-crop-production-based-on-field-measurements-a-case-study-of-irrigated-paddy-rice-in-east-china
#6
Cao Xinchun, Wu Mengyang, Shu Rui, Zhuo La, Chen Dan, Shao Guangcheng, Guo Xiangping, Wang Weiguang, Tang Shuhai
Water footprint (WF) is a comprehensive measure of water consumption by human activities and can be used to assess the impact on both water volume and quality. This study aims to explore the feasibility of evaluating green, blue and grey WFs of crop production based on field measurements. The irrigated paddy rice grown in three different experimental sites in different typical irrigation districts in Huai'an, East China over 2011 to 2014 was taken as study case. With fixed irrigation and fertilization, on the basis of measuring field water and fertilizer balance at daily step, we calculated WF of crop production under different test treatments...
August 10, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28802568/the-application-of-suctioning-flexible-ureteroscopy-with-intelligent-pressure-control-in-treating-upper-urinary-tract-calculi-on-patients-with-a-solitary-kidney
#7
Jianrong Huang, Donghua Xie, Ruiping Xiong, Xiaolin Deng, Chengbing Huang, Difu Fan, Zuofeng Peng, Wen Qin, Min Zeng, Leming Song
OBJECTIVE: To investigate the usage of intelligently pressure-controlled flexible ureteroscopy (URS) in managing upper urinary tract calculi in patients with a solitary kidney. METHODS: Forty patients with a solitary kidney and upper urinary tract calculus were included in this study. All the patients underwent suctioning URS with intelligent control of renal pelvic pressure by connecting pressure-measuring suctioning ureteral access sheath to an irrigation and suctioning platform...
August 9, 2017: Urology
https://www.readbyqxmd.com/read/28800822/escherichia-coli-transfer-from-simulated-wildlife-feces-to-lettuce-during-foliar-irrigation-a-field-study-in-the-northeastern-united-states
#8
Daniel L Weller, Jasna Kovac, David J Kent, Sherry Roof, Jeffrey I Tokman, Erika Mudrak, Barbara Kowalcyk, David Oryang, Anna Aceituno, Martin Wiedmann
Wildlife intrusion has been associated with pathogen contamination of produce. However, few studies have examined pathogen transfer from wildlife feces to pre-harvest produce. This study was performed to calculate transfer coefficients for Escherichia coli from simulated wildlife feces to field-grown lettuce during irrigation. Rabbit feces inoculated with a 3-strain cocktail of non-pathogenic E. coli were placed in a lettuce field 2.5-72 h before irrigation. Following irrigation, the E. coli concentration on the lettuce was determined...
December 2017: Food Microbiology
https://www.readbyqxmd.com/read/28800518/the-implications-of-drought-and-water-conservation-on-the-reuse-of-municipal-wastewater-recognizing-impacts-and-identifying-mitigation-possibilities
#9
Quynh K Tran, David Jassby, Kurt A Schwabe
As water agencies continue to investigate opportunities to increase resilience and local water supply reliability in the face of drought and rising water scarcity, water conservation strategies and the reuse of treated municipal wastewater are garnering significant attention and adoption. Yet a simple water balance thought experiment illustrates that drought, and the conservation strategies that are often enacted in response to it, both likely limit the role reuse may play in improving local water supply reliability...
July 27, 2017: Water Research
https://www.readbyqxmd.com/read/28799963/factors-associated-with-health-related-quality-of-life-in-patients-with-open-fractures
#10
Sheila Sprague, Brad A Petrisor, Kyle J Jeray, Paula McKay, Taryn Scott, Diane Heels-Ansdell, Emil H Schemitsch, Susan Liew, Gordon H Guyatt, Stephen D Walter, Mohit Bhandari
OBJECTIVES: To analyze FLOW data to identify baseline patient, injury, fracture, and treatment factors associated with lower HRQL at 12-months post-fracture. DESIGN: Prognostic study using data from a prospective randomized controlled trial. SETTING: 31 clinical centers in the United States, Canada, Australia, and India. PATIENTS/PARTICIPANTS: 1427 open fracture patients from the FLOW trial with complete 12-month Short Form-12 (SF-12) follow-up assessment and no missing data for selected baseline factors...
July 26, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28799565/modified-technique-of-endocapsular-lens-aspiration-for-severely-subluxated-lenses
#11
S Khokhar, N Aron, N Yadav, G Pillay, E Agarwal
PurposeSeverely subluxated crystalline lenses pose a difficult situation to anterior segment surgeons and can only be managed surgically by removal of the lens as well as the capsular bag. Several techniques have been described in literature for the management of such cases. We describe a modified technique of endocapsular lens aspiration by the limbal route for lens extraction through small incisions on the cornea.Patients and methodsThirty-two eyes of 16 consecutive patients with severely subluxated crystalline lenses were recruited in the study...
August 11, 2017: Eye
https://www.readbyqxmd.com/read/28798391/radiation-interception-chlorophyll-fluorescence-and-senescence-of-flag-leaves-in-winter-wheat-under-supplemental-irrigation
#12
Jianguo Man, Zhenwen Yu, Yu Shi
Water shortage threatens agricultural sustainability in China, effective water-saving technologies urgently need to be developed. In this study, five treatments were conducted: rainfed (W0), a local supplemental irrigation (SI) practice (W1), and three treatments in which soil water content was tested prior to SI, specifically at 0-20 (W2), 0-40 (W3) and 0-60 cm (W4) soil layers. Soil water consumption in W3 had no differ with W2 but was higher than W1 and W4. Crop evapotranspiration in W1, W3 and W4 treatments were higher than that in W2...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28798021/progression-from-esophageal-thermal-asymptomatic-lesion-to-perforation-complicating-atrial-fibrillation-ablation-a-single-center-registry
#13
Philipp Halbfass, Borche Pavlov, Patrick Müller, Karin Nentwich, Kai Sonne, Sebastian Barth, Karsten Hamm, Franziska Fochler, Andreas Mügge, Ulrich Lüsebrink, Rainer Kuhn, Thomas Deneke
BACKGROUND: Up to 40% of patients demonstrate endoscopically detected asymptomatic esophageal lesions (EDEL) after atrial fibrillation ablation. METHODS AND RESULTS: Patients undergoing first atrial fibrillation ablation and postinterventional esophageal endoscopy were included in the study. Occurrence of esophageal perforating complications during follow-up was related to documented EDEL (category 1: erythema/erosion; category 2: ulcer). In total, 1802 patients underwent first atrial fibrillation ablation procedure between January 2013 and August 2016 at our institution...
August 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28797902/effects-of-microcystins-contamination-on-soil-enzyme-activities-and-microbial-community-in-two-typical-lakeside-soils
#14
Qing Cao, Alan D Steinman, Xiaomei Su, Liqiang Xie
A 30-day indoor incubation experiment was conducted to investigate the effects of different concentrations of microcystin (1, 10, 100 and 1000 μg eq. MC-LR L(-1)) on soil enzyme activity, soil respiration, physiological profiles, potential nitrification, and microbial abundance (total bacteria, total fungi, ammonia-oxidizing bacteria and archaea) in two lakeside soils in China (Soil A from the lakeside of Lake Poyanghu at Jiujiang; Soil B from the lakeside of Lake Taihu at Suzhou). Of the enzymes tested, only phenol oxidase activity was negatively affected by microcystin application...
August 7, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28797143/evolution-of-wetland-in-honghe-national-nature-reserve-from-the-view-of-hydrogeology
#15
Xiancang Wu, Weihong Dong, Xueyu Lin, Yukai Liang, Ying Meng, Wei Xie
There is wide concern about the evolution of wetlands, an important component of the global ecosystem. The Honghe National Nature Reserve (HNNR) is an internationally important marsh wetland in China that is at risk of degradation. To gain an improved understanding of how the HNNR wetland developed from 1975 to 2014, typical years, including 1975, 1988, 1996, 2002 and 2014, were selected based on precipitation date. And land cover types of the different years were classified using TM images. The results showed that the wetland evolution mainly reflects transformations between the meadow and wetland land cover types...
August 6, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28795772/the-potential-of-the-spectral-water-balance-index-wabi-for-crop-irrigation-scheduling
#16
Tal Rapaport, Uri Hochberg, Amnon Cochavi, Arnon Karnieli, Shimon Rachmilevitch
Hyperspectral sensing can detect slight changes in plant physiology, and may offer a faster and nondestructive alternative for water status monitoring. This premise was tested in the current study using a narrow-band 'water balance index' (WABI), which is based on independent changes in leaf water content (1500 nm) and the efficiency of the nonphotochemical quenching (NPQ) photo-protective mechanism (531 nm). The hydraulic, photo-protective and spectral behaviors of five important crops - grapevine, corn, tomato, pea and sunflower - were evaluated under water deficit conditions in order to associate the differences in stress physiology with WABI suitability...
August 10, 2017: New Phytologist
https://www.readbyqxmd.com/read/28795469/bacterial-biomes-and-potential-human-pathogens-in-irrigation-water-and-leafy-greens-from-different-production-systems-described-using-pyrosequencing
#17
M Jongman, L Chidamba, L Korsten
AIMS: To investigate the influence of irrigation water microbial quality on leafy green vegetables produced in commercial and small-scale farms as well as homestead gardens using pyrosequencing. METHODS AND RESULTS: Next generation sequencing analysis of the V1-V3 hypervariable region of bacterial 16S rDNA was used to compare bacterial diversity in irrigation water sources and on leafy vegetables. In all samples (12) analyzed, the phylum Proteobacteria (64.5%), class Gammaproteobacteria (56...
August 9, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28793327/qtl-mapping-for-nine-drought-responsive-agronomic-traits-in-bread-wheat-under-irrigated-and-rain-fed-environments
#18
Vijay Gahlaut, Vandana Jaiswal, Bhudeva S Tyagi, Gyanendra Singh, Sindhu Sareen, Harindra S Balyan, Pushpendra Kumar Gupta
In bread wheat, QTL interval mapping was conducted for nine important drought responsive agronomic traits. For this purpose, a doubled haploid (DH) mapping population derived from Kukri/Excalibur was grown over three years at four separate locations in India, both under irrigated and rain-fed environments. Single locus analysis using composite interval mapping (CIM) allowed detection of 98 QTL, which included 66 QTL for nine individual agronomic traits and 32 QTL, which affected drought sensitivity index (DSI) for the same nine traits...
2017: PloS One
https://www.readbyqxmd.com/read/28792840/a-review-of-transanal-irrigation-in-adults
#19
Mary Wilson
This article discusses transanal irrigation: what it is, the clinical conditions that might be helped by it and less invasive options that should be considered before starting irrigation. It looks at the delivery of this procedure, describes the different options available and compares and contrasts devices manufactured by five different companies. Contraindications are listed and side-effects discussed. Problems and possible solutions are considered. Transanal irrigation education for nurses and teaching patients is reviewed...
August 10, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/28791597/biochar-increased-photosynthetic-and-accessory-pigments-in-tomato-solanum-lycopersicum-l-plants-by-reducing-cadmium-concentration-under-various-irrigation-waters
#20
Muhammad Abid, Subhan Danish, Muhammad Zafar-Ul-Hye, Muhammad Shaaban, Muhammad Mutahir Iqbal, Abdur Rehim, Muhammad Farooq Qayyum, Muhammad Nadir Naqqash
Fresh surface water supplies are gradually becoming insufficient in arid and semi-arid regions of the world. Thus, farmers in these areas are being forced to use poor quality sewage water. Irrigating vegetable crops with sewage water having high metal concentration may affect growth and biochemical processes of plants. Biochar (BC) can sorb these metals and may reduce their toxic effects on plants. Thus, a greenhouse experiment was conducted to study the influence of cotton stalks derived biochar (CSDB) at control (0%) and 1%; ground water (GW; 0...
August 8, 2017: Environmental Science and Pollution Research International
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