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1. Distinct arsenic uptake feature in rice reveals the importance of N fertilization strategies

Author:
Gongning Chen; Yanhong Du; Liping Fang; Xiangqin Wang; Chuanping Liu; Huanyun Yu; Mi Feng; Xi Chen; Fangbai Li
Source:
Science of the total environment 2023 v.854 pp. 158801
ISSN:
0048-9697
Subject:
nitrate nitrogen,   etc   ; ammonium bicarbonate; ammonium nitrogen; arsenic; bioavailability; biogeochemistry; environment; iron; methylation; nitrates; nitrogen; nitrogen fertilizers; oxidation; paddies; rice; saltpeter; soil; urea;     Show all 18 Subjects
Abstract:
... The environmental behavior of arsenic (As) is commonly affected by the biogeochemical processes of iron (Fe) and nitrogen (N). In this study, field experiments were conducted to explore As uptake in rice and As translation and distribution in As-contaminated iron-rich paddy soils after applying different forms of N fertilizers, including urea (CO(NH₂)₂), ammonium bicarbonate (NH₄HCO₃), nitrate of ...
DOI:
10.1016/j.scitotenv.2022.158801

2. Responses of aboveground litterfall respiration to unexpected snowfall events in Ailao subtropical forests in Southwest China

Author:
Zayar Phyo; Wenjun Zhou; Qinghai Song; Chuansheng Wu; Naishen Liang; Yanyun Yi; Lijuan Chen; Mohd Zeeshan; Sai Tay Zar Myo; Zhiyun Lu; Liqing Sha; Yiping Zhang
Source:
Applied soil ecology 2023 v.181 pp. 104668
ISSN:
0929-1393
Subject:
nitrate nitrogen,   etc   ; ammonium nitrogen; automation; carbon dioxide; climate change; plant litter; rain; rhizodeposition; snow; soil ecology; soil respiration; soil temperature; soil water; water content; China;     Show all 15 Subjects
Abstract:
... Soil respiration, the second largest CO₂ flux in terrestrial ecosystems, involves the microbial respiration of litter from aboveground sources, belowground litter and root respiration, from rhizodeposition. In the subtropical forests of the Ailao Mountain, a chamber with automated CO₂ efflux was set up with two treatments: a control treatment with litterfall to measure the total soil respiration ( ...
DOI:
10.1016/j.apsoil.2022.104668

3. Evaluation of ethylicin as a potential soil fumigant in commercial tomato production in China

Author:
Wenjing Li; Lirui Ren; Qingjie Li; Daqi Zhang; Xi Jin; Wensheng Fang; Dongdong Yan; Yuan Li; Qiuxia Wang; Aocheng Cao
Source:
Science of the total environment 2023 v.854 pp. 158520
ISSN:
0048-9697
Subject:
nitrate nitrogen,   etc   ; Chytridiomycota; Firmicutes; Fusarium; Meloidogyne; Phytophthora; ammonium nitrogen; environment; enzyme activity; fungi; fungicides; genes; plant growth; plant parasitic nematodes; soil; soil fumigants; soil fumigation; species diversity; taxonomy; tomatoes; urease; China;     Show all 22 Subjects
Abstract:
... Recent increases in soil-borne plant disease have limited further expansion of some crops produced in protected agriculture. Soil fumigation effectively minimizes the impact of soil pathogens causing many diseases. We provide the first report of the efficacy of the Chinese fungicide ethylicin as a soil fumigant against the plant pathogens such as Fusarium spp. and Phytophthora spp., and against th ...
DOI:
10.1016/j.scitotenv.2022.158520

4. Coupling of regulated deficit irrigation at maturity stage and moderate fertilization to improve soil quality, mango yield and water-fertilizer use efficiency

Author:
Youliang Peng; Liangjun Fei; Xiaogang Liu; Guangzhao Sun; Kun Hao; Ningbo Cui; Lu Zhao; Lihua Liu; Feilong Jie
Source:
Scientia horticulturae 2023 v.307 pp. 111492
ISSN:
0304-4238
Subject:
nitrate nitrogen,   etc   ; catalase; compound fertilizers; crop yield; deficit irrigation; enzyme activity; fertilizer rates; fruit weight; fruits; irrigation rates; mangoes; maturity stage; microirrigation; nutrient content; phosphorus; potassium; soil; soil enzymes; soil nutrients; soil quality; urease; water conservation; water solubility; water use efficiency; China;     Show all 25 Subjects
Abstract:
... Reasonable irrigation and fertilization practices can not only improve soil quality, but also increase crop yield, and water-fertilizer use efficiency. However, it is still unclear that the micro-irrigation and fertilization mode is conducive to improving the soil comprehensive environment, the mango yield and water-fertilizer use efficiency in the dry-hot region. The effects of regulated deficit ...
DOI:
10.1016/j.scienta.2022.111492

5. The growth performance, antioxidative status and muscle quality of grass carp (Ctenopharyngodon idellus) cultured in the recirculating pond aquaculture system (RPAS)

Author:
Weitong Xu; Qiushi Yang; Yin Wang; Rong Tang; Dapeng Li
Source:
Aquaculture 2023 v.562 pp. 738829
ISSN:
0044-8486
Subject:
nitrate nitrogen,   etc   ; Ctenopharyngodon idella; ammonium nitrogen; animal growth; aquaculture; aquatic plants; aspartic acid; blood serum; feed conversion; fish; genes; glutamic acid; growth performance; histology; insulin-like growth factor I; insulin-like growth factor II; liver; malondialdehyde; muscles; myogenin; oxidative stress; somatotropin receptors; texture; umami; water quality;     Show all 25 Subjects
Abstract:
... The recirculating pond aquaculture system (RPAS) consisted of culture ponds, a purification pond, inflow ditch, outflow pipe, ecological ditch, and electrically driven pump. The performance of RPAS on grass carp (Ctenopharyngodon idellus) was explored in this study. In both the RPAS and the traditional pond aquaculture system (TPAS), water quality, fish growth performance, muscle quality, and tiss ...
DOI:
10.1016/j.aquaculture.2022.738829

6. Estimation of natural background and source identification of nitrate-nitrogen in groundwater in parts of the Bono, Ahafo and Bono East regions of Ghana

Author:
Evans Manu; George Yamoah Afrifa; Theophilus Ansah-Narh; Frederick Sam; Yvonne Sena Akosua Loh
Source:
Groundwater for sustainable development 2022 v.16 pp. 100696
ISSN:
2352-801X
Subject:
nitrate nitrogen,   etc   ; aquifers; chlorides; denitrification; groundwater; lithology; models; sustainable development; Ghana;     Show all 9 Subjects
Abstract:
... The identification of the chemical status of groundwater is a prerequisite for the sustainable management and development of groundwater resources. A better assessment of the chemical status of the groundwater requires the knowledge and understanding of the natural background concentrations to establish threshold values of chemical pollutants in groundwater. The aim of this study is to estimate th ...
DOI:
10.1016/j.gsd.2021.100696

7. When water returns: Drying history shapes respiration and nutrients release of intermittent river sediment

Author:
José Schreckinger; Michael Mutz; Clara Mendoza-Lera
Source:
Science of the total environment 2022 v.838 pp. 155950
ISSN:
0048-9697
Subject:
nitrate nitrogen,   etc   ; ammonium nitrogen; biogeochemistry; climate change; environment; rain; reactive phosphorus; rivers;     Show all 8 Subjects
Abstract:
... Climate change and anthropogenic water demand have increased the frequency and duration of drying periods across rivers and streams worldwide. However, the biogeochemical processes during the water return in desiccated riverbeds are still unclear. Drying is a complex and diverse process and biogeochemical implications upon flow resumption may depend on attributes of the drying and river sediment c ...
DOI:
10.1016/j.scitotenv.2022.155950

8. Different fates and retention of deposited NH4+ and NO3− in an alpine grassland in northwest China: A 15N tracer study

Author:
Qian Wan; Zewei Yue; Bo Liu; Yalan Liu; Mingyu Xie; Lei Li
Source:
Environmental and experimental botany 2022 v.201 pp. 104989
ISSN:
0098-8472
Subject:
nitrate nitrogen,   etc   ; alpine grasslands; ammonium nitrogen; botany; carbon sequestration; field experimentation; nitrogen; China;     Show all 8 Subjects
Abstract:
... The fates and redistribution of deposited nitrogen (N) determine the influence on N cycling in terrestrial ecosystems. However, the different fates between deposited nitrate nitrogen (NO₃⁻) and ammonium nitrogen (NH₄⁺) as well as the amount of deposited N retained in ecosystems are still not fully understood. We conducted a field experiment to investigate the fates of deposited NO₃⁻ and NH₄⁺ by ap ...
DOI:
10.1016/j.envexpbot.2022.104989

9. Pulses within pulses: Concentration‐discharge relationships across temporal scales in a snowmelt‐dominated Rocky Mountain catchment

Author:
Robert Hensley; Joel Singley; Michael Gooseff
Source:
Hydrological processes 2022 v.36 no.9 pp. e14700
ISSN:
0885-6087
Subject:
nitrate nitrogen,   etc   ; base flow; dissolved organic carbon; evapotranspiration; hysteresis; solutes; summer; watersheds; Colorado;     Show all 9 Subjects
Abstract:
... Concentration‐discharge (C‐Q) relationships can provide insight into how catchments store and transport solutes, but analysis is often limited to long‐term behaviour assessed from infrequent grab samples. Increasing availability of high‐frequency sensor data has shown that C‐Q relationships can vary substantially across temporal scales, and in response to different hydrologic drivers. Here, we pre ...
DOI:
10.1002/hyp.14700

10. Nitrate-N removal rate variabilities in floating treatment wetland mesocosms with diverse planting and carbon amendment designs

Author:
Tiffany L. Messer; Daniel N. Miller; Helen Little; Kenneth Oathout
Source:
Ecological engineering 2022 v.174 pp. 106444
ISSN:
0925-8574
Subject:
nitrate nitrogen,   etc   ; barley straw; carbon; infrastructure; summer; vegetation; water quality; wetland plants; wetlands;     Show all 9 Subjects
Abstract:
... Floating treatment wetlands are an innovative wetland design to passively improve water quality and remove pollutants from reservoirs with limited infrastructure modification or construction as compared to traditional treatment wetlands. However, design recommendations remain limited. Therefore, the objectives of this study were: 1. Determine nitrate-N removal rates in two floating treatment wetla ...
DOI:
10.1016/j.ecoleng.2021.106444

11. Assessment and current dynamics of nutrients with reference to nitrogen attributes in subalpine forests of Western Himalaya, India

Author:
Muzamil Ahmad Sheikh; Jasra Anjum; Avinash Tiwari
Source:
Environmental monitoring and assessment 2022 v.194 no.7 pp. 477
ISSN:
0167-6369
Subject:
nitrate nitrogen,   etc   ; altitude; carbon dioxide; nitrogen; psychological stress; soil; total nitrogen; Himalayan region; India;     Show all 9 Subjects
Abstract:
... Nitrogen is an essential macronutrient necessary for a variety of physiological processes in plants, available in numerous fractions, each of which has direct relationship with the area’s environmental circumstances since it causes the formation of these fractions. Seasonal and altitudinal variations in nitrogen concentration were found to have a significant impact. The soil of the western Himalay ...
DOI:
10.1007/s10661-022-10145-1

12. Wheat grain zinc concentration as affected by soil nitrogen and phosphorus availability and root mycorrhizal colonization

Author:
Xiaoli Hui; Xingshu Wang; Laichao Luo; Sen Wang; Zikang Guo; Mei Shi; Runze Wang; Graham Lyons; Yinglong Chen; Ismail Cakmak; Zhaohui Wang
Source:
European journal of agronomy 2022 v.134 pp. 126469
ISSN:
1161-0301
Subject:
nitrate nitrogen,   etc   ; agronomy; field experimentation; nitrogen; nutrition; phosphorus; phytoaccumulation; soil; soil minerals; winter wheat; zinc;     Show all 11 Subjects
Abstract:
... Nitrogen (N) fertilization increases zinc (Zn) acquisition in cereal crops. However, little is known about the effects of N fertilization on grain Zn concentration in relation to availability of soil N and phosphorous (P) and root mycorrhizal colonization. The present study used a 12-year location-fixed field experiment with winter wheat grown at five N fertilization rates (0, 80, 160, 240 and 320 ...
DOI:
10.1016/j.eja.2022.126469

13. Preparation of three dimensional bimetallic Cu–Ni/NiF electrodes for efficient electrochemical removal of nitrate nitrogen

Author:
Xiangdong Tan; Xueqing Wang; Tong Zhou; Tianzuo Chen; Ya Liu; Chuanjun Ma; Hongshan Guo; Baozhong Li
Source:
Chemosphere 2022 v.295 pp. 133929
ISSN:
0045-6535
Subject:
nitrate nitrogen,   etc   ; alloys; capacitance; electrochemistry; electrodes; electrolytes; foams; nitrates; nitrogen; particle size; reaction kinetics; wastewater;     Show all 12 Subjects
Abstract:
... It still remains a hotspot and great challenge to efficiently remove the nitrate nitrogen from high salt wastewater. Herein, a novel three dimensional porous bimetallic copper-nickel alloy electrode was fabricated with Ni foam (NiF) as substrate. The physicochemical and electrochemical characterization results showed Cu–Ni/NiF electrode possessed the smaller particle size (0.3–1.0 μm) and electrod ...
DOI:
10.1016/j.chemosphere.2022.133929

14. Functional keystone drive nitrogen conversion during different animal manures composting

Author:
Huiying Li; Zimin Wei; Caihong Song; Xiaomeng Chen; Ruju Zhang; Yumeng Liu
Source:
Bioresource technology 2022 v.361 pp. 127721
ISSN:
0960-8524
Subject:
nitrate nitrogen,   etc   ; ammonium nitrogen; animals; bacterial communities; cattle manure; cooling; nitrite nitrogen; nitrogen; poultry manure; technology;     Show all 10 Subjects
Abstract:
... In this study, nitrogen transformation of chicken manure (CM) and cattle dung (CD) during composting was analyzed and its related functional keystones were identified. The results showed that chicken manure showed more severe nitrogen conversion during composting. The main N conversion factors in cattle dung were nitrite nitrogen (NO₂–-N) and ammonium nitrogen (NH₄⁺-N), while the main N conversion ...
DOI:
10.1016/j.biortech.2022.127721

15. Transforming heterotrophic to autotrophic denitrification process: Insights into microbial community, interspecific interaction and nitrogen metabolism

Author:
Xiao Huang; Chongsen Duan; Jianghua Yu; Wenyi Dong
Source:
Bioresource technology 2022 v.345 pp. 126471
ISSN:
0960-8524
Subject:
nitrate nitrogen,   etc   ; Hydrogenophilaceae; Methylophilaceae; carbon; denitrification; microbial communities; nitrite nitrogen; nitrogen metabolism; oxidation; sulfides; sulfur; technology;     Show all 12 Subjects
Abstract:
... For investigating the microbial community, interspecific interaction and nitrogen metabolism during the transform process from heterotrophic to synergistic and autotrophic denitrification, a filter was built, and carbon source and sulfur concentration were changed to release the transformation process. The results demonstrated that the transformation process was feasible to keep nitrate nitrogen ( ...
DOI:
10.1016/j.biortech.2021.126471

16. Contrasting rhizosphere soil nutrient economy of plants associated with arbuscular mycorrhizal and ectomycorrhizal fungi in karst forests [Erratum: February 2022, v.470(1-2); p.95-96]

Author:
Yang Yang; Xinyu Zhang; Iain P. Hartley; Jennifer A. J. Dungait; Xuefa Wen; Dandan Li; Zhiming Guo; Timothy A. Quine
Source:
Plant and soil 2022 v.470 no.1-2 pp. 81-93
ISSN:
0032-079X
Subject:
nitrate nitrogen,   etc   ; biodiversity; ectomycorrhizae; enzymes; karsts; nitrogen; pH; phosphorus; rhizosphere; soil nutrients; vesicular arbuscular mycorrhizae; China;     Show all 12 Subjects
Abstract:
... PURPOSE: Plants growing in the soils of karst forests associate with arbuscular mycorrhizae (AM) or ectomycorrhizae (ECM) to acquire nutrients. We researched how these different mycorrhizal associations affect rhizosphere soil nutrient economy in these calcareous soils. METHODS: Bulk and rhizosphere soils were sampled beneath 25 AM and 9 ECM plants growing in primary forests at the Puding Karst Cr ...
DOI:
10.1007/s11104-021-04950-9

17. Physical filtration of nutrients utilizing gravel-based and lightweight expanded clay aggregate (LECA) as growing media in aquaponic recirculation system (ARS)

Author:
Siti Hajar Abdul Hamid; Fathurrahman Lananan; Noordin Asimi Mohd Noor; Azizah Endut
Source:
Aquacultural engineering 2022 v.98 pp. 102261
ISSN:
0144-8609
Subject:
nitrate nitrogen,   etc   ; Clarias gariepinus; Lactuca sativa var. capitata; aquaponics; catfish; clay; filtration; hydroponics; nitrogen; phosphorus; wastewater;     Show all 11 Subjects
Abstract:
... The aquaponic recirculation system (ARS) combined aquaculture and hydroponic systems in a mutually beneficial environment. In this study, African catfish, Clarias gariepinus with Butterhead lettuce, Lactuca sativa were cultivated to evaluate gravel-based media and lightweight extended clay aggregate (LECA) as a physical filtration in the nutrient's removal. The performance of both tested growing m ...
DOI:
10.1016/j.aquaeng.2022.102261

18. Relationship between the vertical distribution of fine roots and residual soil nitrogen along a gradient of hardwood mixture in a conifer plantation

Author:
Yumena Morikawa; Seiji Hayashi; Yuki Negishi; Chie Masuda; Mirai Watanabe; Keiji Watanabe; Kazuhiko Masaka; Ayumu Matsuo; Masanori Suzuki; Chika Tada; Kenji Seiwa
Source:
The new phytologist 2022 v.235 no.3 pp. 993-1004
ISSN:
0028-646X
Subject:
nitrate nitrogen,   etc   ; biomass; conifers; fine roots; forests; hardwood; leaves; nitrogen; soil water; spatial distribution; water purification;     Show all 11 Subjects
Abstract:
... In forest ecosystems, understanding the relationship between the vertical distribution of fine roots and residual soil nitrogen is essential for clarifying the diversity–productivity–water purification relationship. Vertical distributions of fine‐root biomass (FRB) and concentrations of nitrate‐nitrogen (NO₃‐N) in soil water were investigated in a conifer plantation with three thinning intensities ...
DOI:
10.1111/nph.18263

19. Predicting Aquaculture Water Quality Using Machine Learning Approaches

Author:
Tingting Li; Jian Lu; Jun Wu; Zhenhua Zhang; Liwei Chen
Source:
Water 2022 v.14 no.18 pp. -
ISSN:
2073-4441
Subject:
nitrate nitrogen,   etc   ; ammonium nitrogen; aquaculture; dissolved oxygen; groundwater; models; pH; prediction; support vector machines; water quality;     Show all 10 Subjects
Abstract:
... Good water quality is important for normal production processes in industrial aquaculture. However, in situ or real-time monitoring is generally not available for many aquacultural systems due to relatively high monitoring costs. Therefore, it is necessary to predict water quality parameters in industrial aquaculture systems to obtain useful information for managing production activities. This stu ...
DOI:
10.3390/w14182836

20. Field evaluation of four denitrifying woodchip bioreactors for nitrogen removal in eastern South Dakota, United States

Author:
Utsav Thapa; Laurent Ahiablame; Jeppe Kjaersgaard; Christopher Hay
Source:
Science of the total environment 2023 v.855 pp. 158740
ISSN:
0048-9697
Subject:
nitrate nitrogen,   etc   ; bioreactors; denitrification; environment; nitrogen; rain; subsurface drainage; temperature; water quality; wood chips; South Dakota;     Show all 11 Subjects
Abstract:
... Edge-of-field practices such as denitrifying woodchip bioreactors can be used to improve the water quality of agricultural effluents. This study evaluated the effectiveness of four field-scale woodchip bioreactors in removing nitrate‑nitrogen (nitrate-N) from subsurface drainage in eastern South Dakota. Four woodchip bioreactors were installed and monitored between 2014 and 2016 near Arlington, Ba ...
DOI:
10.1016/j.scitotenv.2022.158740