ENVIRONMENTAL POLLUTION
·
2023
·
IF 8.9
Fredrick Gudda,Emmanuel Stephen Odinga,Lei Tang,Michael Gatheru Waigi,Jian Wang,Dyaaaldin Abdalmegeed,Yanzheng Gao
Wastewater irrigation may introduce antibiotic residues in the soil-plant systems. This study aimed to investigate the uptake of tetracyclines by spinach and collard greens and assess associated ecological and human health risks. Synthetic wastewater spiked with 1 ppm and 10 ppm of oxytetracycline , doxycycline, and tetracycline was used to grow vegetables in a greenhouse pot experiment. The uptake and accumulation of the tetracyclines were low and residual concentrations in the soil were negligible. All the tetracyclines were detected at concentrations ranging from 1.68 to 51.41 μg/g (spinach) and 1.94–30.95 μg/g (collard greens). The accumulation rate was in a dose-response scenario with a bioconcentration factor of 6.34 mL/kg (spinach) and 2.64 mL/kg (collard greens). Oxytetracycline had the highest accumulation in leaves, followed by doxycycline and tetracycline, and the residual concentrations followed the same order. The highest residual concentration was in soils receiving 10 ppm oxytetracycline. Residual concentrations in the soil were lower than accumulated levels and exerted negligible ecological risks. Tetracyclines accumulation in spinach significantly differed between the vegetables demonstrating a subspecies difference in uptake and accumulation. Ecological risk quotient (RQ) and human health risk quotient (HQ) were below thresholds that would exert toxicity and resistance selection impacts. Although RQs and HQs are low (<0.1), this study shows that the vegetables accumulate tetracyclines from irrigation water, posing plausible human health risks to allergic individuals. Similarly, the ecological risks cannot be ignored because the synergistic and antagonistic effects of sublethal concentrations can perturb ecosystem processes.
研究领域:
环境科学
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农业科学
·
毒理学
·
公共卫生
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产品关联
DOI
PubMed
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2024
·
IF 13.3
Meng Bai,Yahui Hou,Gang Li,Jing Fang,Xingjiang Wu,Yingtang Zhou,Junjie Qi,Zhensheng Yang,Hao Li
Seventy percent of global freshwater resources are consumed by agriculture, leading to severe water shortages due to the increasing demand for water in irrigated agriculture, which in turn poses a significant threat to food security. To address this challenge, innovative solutions are needed to optimize water use in agriculture. In this study, sodium lignosulfonate/chitosan/calcium chloride amphiphilic collection hydrogel (CSL-CaCl 2 ) is prepared. This hydrogel captures water from the atmosphere for soil water harvesting, thereby reducing the requirement for irrigation water. The hydrogel captures moisture from the air through its salt and porous structures, transferring it to a polymer network for storage. When exposed to daylight, the water-absorbed hydrogel is able to quickly release water into the soil, increasing the soil water content. The amount of water released from the hydrogel is 0.81 kg∙m −2 , equivalent to increasing the average annual precipitation in the temperate monsoon climate zone ( i.e. , Tianjin, China) by 51 %, which could effectively reduce the demand for agricultural irrigation water. The hydrogel not only promotes plant growth, but also has excellent water retention, improved soil physicochemical properties and exhibits excellent degradability. This work provides important insights for alleviating water shortages in irrigated agriculture.
研究领域:
农业科学
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材料科学
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环境科学
✓ 已验证
产品关联
DOI
高影响因子
SCIENCE OF THE TOTAL ENVIRONMENT
·
2014
·
IF 3.163
Xiaoping Liao,Caixiang Zhang,Linlin Yao,Jiale Li,Min Liu,Liang Xu,Mulindankaka Evalde
The reuse of wastewater for irrigation of agricultural land is a well established resources management practice but has the disadvantage of inputting various forms of contaminants into the terrestrial environment including nonylphenol (NP), a well known endocrine disrupting substance. To elucidate the environmental fate and transport of NP, the sorption behavior on sewage-irrigated soil was studied by batch experiment. It was found that sorption processes of NP on different sorbents (soil, humic acid (HA) and silica) could be expressed well using two compartment pseudo first-order model, where both surface and intra-particle diffusion were probable rate-controlling processes. Linear model could better express the sorption of NP on soil, black carbon (BC) and mineral (e.g., SiO 2 ) except HA than Freundlich model. The large value of distribution coefficients of normalized organic carbon (K oc ) on soils indicated that NP was limited to migrate to deep soil. The higher desorption partition coefficient of NP on soil showed enhanced hysteresis. According to the experimental data, the calculated thermodynamic parameters implied that the sorption reaction on sewage-irrigation was spontaneous, exothermic and entropy decreasing process. The amount of soil organic matter (SOM) dominated the sorption capacity, whereas the sorption behavior of NP on soil showed no significant correlation with ionic strength.
研究领域:
环境科学
·
生态学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
JOURNAL OF SOILS AND SEDIMENTS
·
2020
·Vol. 21
·期 1
·215-234
·
IF 2.763
Wei Liang,Ding Qian,Guo Huaming,Xiu Wei,Guo Zhengcai
Purpose Heavy metal/metalloid pollution in sewage-irrigated soils (SIS) is one of the major environmental issues in China. Mobility of heavy metals/metalloids in the contaminated soils and their potential threats to groundwater are needed to be understood. This study investigated impacts of organic matter, solution pH, and water level on forms and migration of heavy metals/metalloids (As, Cr, Cu, Pb, and Cd) in the contaminated soils from a typical sewage-irrigated area in the North China Plain (NCP). Materials and methods Based on extensive field measurements, two sewage-irrigated sites and a non-sewage-irrigated site were selected in the study area. Soil samples were collected every 10 cm in a profile (no more than 1 m) from each site. The release and mobility of heavy metals/metalloids in the SIS were investigated using column experiments with two leaching stages (stage I: low water level; stage II: high water level). Deionized water, synthesized acid rain, and poultry manure extractant were used as influents for different columns to stimulate leaching of rainfall, acid rain, and compost leachate, respectively. Soil samples before and after leaching were subjected to sequential extraction for 7 target phases, evaluating the impacts of three leaching conditions on forms of heavy metals/metalloids in soils at different depths. Results and discussion Results revealed that more As and Cu were mobilized in the column with a compost leachate as the influent than the columns with organic matter-free influents, resulting from reductive dissolution, complexation, and desorption. Cr and Pb concentrations were higher in effluents from the column with low pH influent (acid rain) than those from near-neutral pH influents (rainfall and compost leachate). Proton-promoted desorption and dissolution of very amorphous Fe oxides was the major cause for mobilized Cr and Pb in porewater. Moreover, decrease in dissolved oxygen (DO) was observed with the increase in water level in the column, triggering microbial respiration of Fe/Mn oxide reductions in the presence of bioactive dissolved organic matter, which elevated concentrations of porewater heavy metals/metalloids. Conclusions This study suggested that sewage irrigation significantly increased heavy metal/metalloid contents associated with labile and bioavailable fractions in the SIS, and both the compost leachate and low pH solution should enhance the mobility of heavy metals/metalloids in the SIS and potentially contaminate groundwater.
研究领域:
环境科学
·
土壤学
✓ 已验证
DOI
高影响因子
ENVIRONMENTAL MONITORING AND ASSESSMENT
·
2025
·Vol. 198
·期 1
·18
·
IF 3
Pan Xiaopeng,Luo Huili,Xiang Yuhang,Li Zekun,Zhao Jia
Bisphenol A (BPA) and its analogues are toxicants that can disrupt the endocrine system. They have been detected in the soil and agricultural products. Bisphenol substitutes (BPs) are distributed throughout the agricultural water system; however, the current status of these BPs entering the soil from irrigation is unclear. In this study, the association of BPA, bisphenol S (BPS), and bisphenol F (BPF) in vegetable soils with irrigation water samples was analyzed. Their accumulation, migration, and influencing factors were explored through simulated irrigation and adsorption tests. Significant correlations ( P < 0.01) were observed, indicating that irrigation water was an important source of BPs in soil. Compared with BPS and BPF, BPA accumulated preferentially in the topsoil (10 cm) and continuously increased with irrigation, resulting in an interception ratio of up to 38.07%. Vertical seepage migration was in the order of BPS > BPF > BPA. Acidic soil (pH = 5), high organic matter content (> 32 mg/g), and micro-agglomerates (< 0.053 mm) promoted the adsorption of these BPs and reduced their migration. Understanding the migration of BPs in soil, particularly in a vertical direction, will assist in controlling their migration. It will also help reduce their accumulation, thereby lowering ecological risks.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
ADVANCED FUNCTIONAL MATERIALS
·
2025
·
IF 19
Hao Zou,Jingling Zhu,Xinge Yang,Ziya Zeng,Danfeng Huang,Jun Li,Ruzhu Wang
The pressing need to address the water-food nexus, exacerbated by climate change and a rapidly growing population, calls for innovative approaches in agricultural water management. This study introduces a pioneering device, the side window recycler (SWR), which is specifically designed for greenhouses to increase water-use efficiency. Central to the SWR is a multi-component, interconnected hygroscopic porous gel named LHPE, which boasts significant scalability and robust adhesion properties. When synthesized through an optimized process, LHPE boasts a high water uptake of up to 4.06 g water g sorbent −1 , supporting rapid water release during desorption. The SWR utilizes this advanced gel to capture water vapor escaping from greenhouse side windows, converting it into irrigation water through electrically heated desorption. Within greenhouse trials, SWR achieved a water recovery rate of 5015.6 g m⁻ 2 and a water-saving efficiency of 78.78%, significantly enhancing crop yields by as much as 120%. By integrating sustainable water recycling into agriculture, SWR addresses the global water scarcity crisis and represents a transformative advance in greenhouse water efficiency, poised for impactful adoption in water-intensive practices worldwide.
研究领域:
农业工程
·
材料科学
·
环境科学
✓ 已验证
产品关联
DOI
高影响因子
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
·
2024
·Vol. 31
·期 8
·11591-11604
·
IF 0
Lu Yuxi,Zeng Honghu,Lin Hua,Liang Yanpeng,Feng Mi,Zhou Zijian,Liang Zihao,Li Huawei,Chen Gongning
Since Cd(II) and As(III) have extremely opposite chemical characteristics, it is a huge challenging to simultaneously remove these two ions from aqueous solutions. Therefore, a novel iron sulfide-based porous biochar (FSB) was synthesized and used to evaluate its Cd(II) and As(III) removal performance and mechanisms. The characterization and batch experiments results indicated that FeS was successfully loaded on the surface of biochar and increased its adsorption sites. The iron sulfide-based porous biochar was very favorable for the removal of Cd(II) and As(III) in the weakly acidic environment. The maximum adsorption of Cd(II) and As(III) by FSB was 108.8 mg g −1 and 76.3 mg g −1 , respectively, according to the Langmuir and Freundlich isothermal adsorption model, and the adsorption equilibrium time was 12 h and 4 h, respectively, according to the pseudo-second-order kinetic model. In the coexisting ion system, Cd(II) adsorption was suppressed by Ca 2+ , Mg 2+ , and humic acid, but enhanced by PO 4 3− and As(III). As(III) adsorption was inhibited by PO 4 3− and humic acid. Precipitation and complexation are the predominant adsorption mechanisms of Cd(II) and As(III), which contribute to the formation of Cd-O, Fe-O-Cd, As-O, Fe-O-As, ternary complex Cd-Fe-As, and stable compounds FeAsO 4 ·2H 2 O and CdS. Therefore, The iron sulfide-based porous biochar can be an efficient and environmentally friendly candidate for the treatment of Cd(II) and As(III) co-polluted irrigation water.
研究领域:
环境科学
·
水处理
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吸附技术
·
材料科学
·
农业环境保护
✓ 已验证
DOI
Environmental Pollutants and Bioavailability
·
2020
·
IF 0
Jian Shen,Xueying Li,Xinze Wang,Jimeng Feng,Shiyi Jiang,Zhiping Zhang,Qian Xu
The Erhai Lake basin dominated by agricultural production had a total sewage interception system and was selected as the study area. Survey data showed the total steroid estrogens (SEs) production was 55.97 kg/year (EEQ-E2β) in the whole basin and the main source of SEs was swine breeding (57%). The results indicated that unsatisfactory removal effect of SEs could be related to insufficient influent carbon sources as a result of the total sewage collection. The observed average concentrations of E1, E2α, E2β, E3 and EE2 in rivers/ditches were 25.9 ng/L, 43.5 ng/L, 14.4 ng/L, 49.4 ng/L and 24.5 ng/L, and SEs in ditches were significantly higher than that in rivers, proving the influence of the irrigation tailwater. Above, the annual SEs contribution for Erhai Lake was estimated, and the correlation coefficient of SEs and water quality of inflow rivers/ditches indicated that SEs had a certain correlation with nitrogen.
研究领域:
环境科学
·
生态学
✓ 已验证
产品关联
DOI
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
·
2023
·
IF 8.2
Mohamed Mohamady Ghobashy,Mohamed A. Amin,Mohamed A. Ismail,Abdelatti I. Nowwar,Mahmoud A. El-diehy,H.M. Gayed
The study addresses the potential negative impacts of climate change on water resources, specifically irrigation water for crops. The radiation technique produces the biomaterial hydrogel as a soil conditioner by polymerizing hydroxy ethyl cellulose/acrylamide (HEC/AAm) at various irradiation doses and copolymer concentrations. A maximum swelling of 23.4 g/g is attained by (HEC/PAAm) hydrogel at 1/7.5 ratio, prepared by 10 kGy gamma irradiation. The study introduces a new class of ultra-absorbent hydrogel (UAH) to address the low swelling limitation for soil conditioner applications. The alkaline hydrolysis treatments with NaOH, LiOH, and KOH enhance the water absorbency of (HEC/PAAm) hydrogel, with the highest capacity of 1220 g/g achieved by the KOH treatment, surpassing NaOH (622 g/g) and LiOH (540 g/g). The cumulative release of fertilizers from the UAH sample shows a slow and controlled release behavior. Urea takes 22 days to reach 100 % release. The UAH demonstrates water retention for 28 days, improving the growth of Zea mays L. at drought stress levels of 0 %, 25 %, 50 %, and 100 %, revealing an increase in shoot length by 16 %, 19 %, 24 %, and 20 %, respectively. Also, UAH increased the contents of chlorophyll a , b, a + b, and carotenoid on maize plant leaves compared to the control sample.
研究领域:
农业科学
·
材料科学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
SENSORS
·
2018
·Vol. 18
·期 5
·1595
·
IF 2.475
Guangyang Liu,Ruonan Zhang,Xiaodong Huang,Lingyun Li,Naixin Liu,Jing Wang,Donghui Xu
Various highly sensitive and selective analytical methods have been used to monitor metsulfuron-methyl residue in the environment. However, these methods involve costly instruments and complex, time-consuming operations performed in laboratories. Here, a rapid, convenient, and sensitive colorimetric sensor based on anti-aggregation of gold nanoparticles (AuNPs) is demonstrated for the rapid detection of metsulfuron-methyl in agricultural irrigation water. The AuNPs could be induced to aggregate in the presence of melamine and exhibited a distinct color change from wine-red to blue. The aggregation was suppressed by a strong hydrogen-bonding interaction between metsulfuron-methyl and melamine. The differences of the absorbance at 523 nm (ΔA523) and the color change was linearly related to metsulfuron-methyl concentration over the range 0.1–100 mg/L, as observed visually and by UV-vis (Ultraviolet-visible) spectrometry. The detection limit of the sensor was as low as 0.05 mg/L (signal/noise = 3), and was used to determine metsulfuron-methyl in spiked water and in agricultural irrigation water samples. Recoveries were in the range of 71.2–100.4%, suggesting that the colorimetric sensor was suitable for the determination of metsulfuron-methyl in agricultural water samples.Keywords:colorimetric sensor;gold nanoparticle;anti-aggregation;metsulfuron-methyl;melamine;agricultural irrigation water
研究领域:
环境科学
·
分析化学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Advanced Composites and Hybrid Materials
·
2023
·Vol. 7
·期 1
·1-13
·
IF 20.1
Zhan Xue-Qing,Ran Zhuo-Qing,Bao Hong-Yu,Ye Qin,Chen Han,Fu Qiang,Ni Wang,Xu Jia-Min,Ma Ning,Tsai Fang-Chang
As a functional material, hydrogels hold promise in agricultural irrigation, potentially solving the problem of low utilization of irrigation water from the source. To enable more intuitive monitoring of soil moisture and achieve on-demand irrigation, a conductive hydrogel is being explored as a solenoid valve controller for intelligent irrigation. Here, intelligent hydrogel poly (acrylic acid-co–N-methylolacrylamide)/poly(3,4-ethylenedioxythiophene):polystyrene sulfonate, P(AA-co–N-MA)/PEDOT:PSS, with a dual network was synthesized under mild conditions through Na 2 SO 3 -APS (ammonium persulfate) initiation system. The structural design endows the hydrogel with excellent mechanical properties (elongation at break up to 2400%) and sensitive sensing performance (gauge factor, GF, is 8.14). The anti-fatigue properties of the hydrogel have proved that the material has good durability and good service life as a sensing material. In addition, by incorporating the relationship between moisture and conductivity, the hydrogel could be utilized as a controller for irrigation valves, enabling intelligent irrigation and effective conservation of water resources through soil moisture monitoring. Graphical abstract The intelligent hydrogel P(AA-co–N-MA)/PEDOT:PSS could be utilized as a controller of solenoid valve for irrigation through soil moisture monitoring.
研究领域:
材料科学
·
农业工程
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环境科学
✓ 已验证
产品关联
DOI
高影响因子
Applied Sciences-Basel
·
2018
·Vol. 8
·期 6
·959
·
IF 1.689
Xiaodong Huang,Guangyang Liu,Donghui Xu,Xiaomin Xu,Lingyun Li,Shuning Zheng,Huan Lin,Haixiang Gao
Magnetic solid-phase extraction is an effective and convenient sample pretreatment technique that has received considerable interest in recent years. A lot of research indicated that magnetic nanocarbon-material-based composites have good application prospects as adsorbents for magnetic solid-phase extraction of pesticides. Herein, a novel zeolitic imidazolate framework based on magnetic multiwalled carbon nanotubes (M-M-ZIF-67) has been prepared as an adsorbent for magnetic solid-phase extraction of nine organochlorine pesticides from agricultural irrigation water samples. The obtained M-M-ZIF-67 material possessed porous surfaces and super-paramagnetism due to the utilization of magnetic multiwalled carbon nanotubes as the magnetic kernel and support. To evaluate the extraction performance of the M-M-ZIF-67, the main parameters that affected the extraction efficiency were researched. Under the optimal conditions, a good linearity for the nine organochlorine pesticides was achieved with the determination coefficients (R2) higher than 0.9916. The limits of detection (signal/noise = 3:1) were in the range 0.07–1.03 µg L−1. The recoveries of all analytes for the method at spiked levels of 10 and 100 µg L−1were 74.9–116.3% and 75.1–112.7%, respectively. The developed M-M-ZIF-67 based magnetic solid-phase extraction method has a potential application prospect for the monitoring of trace level of organochlorine pesticides in environmental water samples.Keywords:zeolitic imidazolate framework;multi-walled carbon nanotubes;magnetic solid phase extraction;organochlorine pesticides;agricultural irrigation water
研究领域:
环境科学
·
材料科学
·
分析化学
✓ 已验证
产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）