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1. Evaluation of silver nanoparticles (AgNPs) penetration through a clay liner in landfills

Author:
Young Su Lee; Yeong Min Kim; Jongkeun Lee; Jae Young Kim
Source:
Journal of hazardous materials 2021 v.404 pp. 124098
ISSN:
0304-3894
Subject:
silt loam soils,   etc   ; bentonite; clay; landfills; nanosilver; sorbents; sorption; transportation;     Show all 8 Subjects
Abstract:
... Most products containing engineered nanomaterials are disposed at landfills in the final stage of their lifecycle. This study aims to assess landfill liners as a final barrier of disposed silver nanoparticles (AgNPs). Sorption and transport of AgNPs were investigated in the laboratory-scale simulation of landfill liner conditions. Field soil (silt loam) and bentonite were tested in batch sorption ...
DOI:
10.1016/j.jhazmat.2020.124098

2. Impacts of permeable interlocking concrete pavement on the runoff hydrograph: Volume reduction, peak flow mitigation, and extension of lag times

Author:
R. Andrew Tirpak; Ryan J. Winston; Melissa Feliciano; Jay D. Dorsey; Thomas H. Epps
Source:
Hydrological processes 2021 v.35 no.4 pp. e14167
ISSN:
0885-6087
Subject:
silt loam soils,   etc   ; bedrock; bitumen; green infrastructure; hydrograph; models; pavements; rain; rain intensity; stormwater;     Show all 10 Subjects
Abstract:
... taxing conditions. A single lane parking area retrofitted with permeable interlocking concrete pavement in Vermilion, OH, USA was monitored over a 15‐month period to quantify its hydrologic performance under such conditions. The 470 m² permeable pavement was underlain by silt loam soils and a shallow bedrock layer and treated run‐on from the adjacent 324 m² asphalt drive lane. Observed data were ...
DOI:
10.1002/hyp.14167

3. Does Biochar Influence Soil CO₂ Emission Four Years After Its Application to Soil?

Author:
Tatijana Kotuš; Ján Horák
Source:
Acta horticulturae et regiotecturae 2021 v.24 no.s1 pp. 109-116
ISSN:
1338-5259
Subject:
silt loam soils,   etc   ; Luvisols; biochar; carbon dioxide; climate; greenhouse gases; soil treatment; Slovakia;     Show all 8 Subjects
Abstract:
... Biochar application into soil has potential as a means for reducing soil greenhouse gas emissions and climate mitigation strategy. In this study, we evaluated the impact of two doses of biochar (10 and 20 t.ha⁻¹) applied in 2014, combined with three fertilization levels (N0, N1, N2) on carbon dioxide (CO₂) in field conditions during the growing season (April – October) in 2018. The field site is l ...
DOI:
10.2478/ahr-2021-0016

4. Effects of superabsorbent polyacrylamide hydrogel and gypsum applications on colloidal phosphorus release from agricultural soils

Author:
Seyed Hamid Hosseini; Christophe Niyungeko; Sangar Khan; Xinqiang Liang
Source:
Journal of soils and sediments 2021 v.21 no.2 pp. 925-935
ISSN:
1439-0108
Subject:
silt loam soils,   etc   ; absorbents; gypsum; hydrogels; laboratory experimentation; paddies; phosphorus; polyacrylamide; tea; vegetables;     Show all 10 Subjects
Abstract:
... PURPOSE: The present study aimed to assess the synergistic effects of superabsorbent polyacrylamide hydrogel (SPH) and gypsum on colloidal phosphorus (CP) release from different farmlands (i.e. tea, vegetable, and paddy soils). MATERIALS AND METHODS: A laboratory experiment was carried out to examine the effects of SPH at different rates of 0.00, 0.01, 0.05, and 0.1% (w/w) and gypsum at the rates ...
DOI:
10.1007/s11368-020-02819-5

5. The chronic effects of CuO and ZnO nanoparticles on Eisenia fetida in relation to the bioavailability in aged soils

Author:
Izabela Jośko; Magdalena Kusiak; Patryk Oleszczuk
Source:
Chemosphere 2021 v.266 pp. 128982
ISSN:
0045-6535
Subject:
silt loam soils,   etc   ; Eisenia fetida; bioaccumulation; bioavailability; juveniles; microparticles; pH; sandy loam soils; silt;     Show all 9 Subjects
Abstract:
... The bioavailability and bioaccumulation of metal-based engineered nanoparticles (ENPs) in soils need to be evaluated in environmentally relevant scenarios. The aim of this study was an analysis of potentially available metal–component ENPs (nano-ZnO and nano-CuO) in soils. Earthworms (Eisenia fetida) were used to examine the bioaccumulation potential of ENPs. Micro-particles (micro-ZnO and micro-C ...
DOI:
10.1016/j.chemosphere.2020.128982

6. Structural response of non-perforated and perforated corrugated high-density polyethylene pipes under variable loading

Author:
Naresh Gaj; Chandra A. Madramootoo
Source:
Biosystems engineering 2021 v.207 pp. 120-140
ISSN:
1537-5110
Subject:
silt loam soils,   etc   ; agricultural land; agricultural soils; critical load; deformation; drainage; friction; mathematical models; polyethylene; risk; water table;     Show all 11 Subjects
Abstract:
... (shape, size, and configuration) on the stress distribution and deformation of the corrugated pipes. The results show that bonded friction conditions generally induce larger stresses in the pipe wall than smooth friction conditions, but the differences are not statistically significant across all soil and load types. The critical load case occurs for a loaded grain wagon on silt loam soils. The results ...
DOI:
10.1016/j.biosystemseng.2021.05.002

7. Optimizing Pedotransfer Functions for Predicting Soil Moisture of Wetting Curve Based on the Effective Degree of Saturation

Author:
A. Y. Mady; E. V. Shein
Source:
Eurasian soil science 2021 v.54 no.3 pp. 399-408
ISSN:
1064-2293
Subject:
silt loam soils,   etc   ; hysteresis; irrigation; models; silty clay loam soils; soil water; soil water characteristic;     Show all 7 Subjects
Abstract:
... Hysteresis of soil water retention curve (SWRC hysteresis) is widely used for modeling water flux in an unsaturated soil during infiltration and irrigation processes. The aim of the work was to predict soil moisture of a wetting curve from the main drying branch based on an effective degree of saturation for the drying branch by suggesting pedotransfer functions (PTFs). Furthermore, the efficiency ...
DOI:
10.1134/S106422932103011X

8. Pre-incubation Soil Handling Can Influence Comparability of Potentially Mineralizable Nitrogen Results

Author:
Sarah M. Collier; Matthew D. Ruark
Source:
Communications in soil science and plant analysis 2021 v.52 no.10 pp. 1121-1131
ISSN:
1532-2416
Subject:
silt loam soils,   etc   ; air drying; corn; mineralization; organic nitrogen; pastures; plant analysis; refrigeration; regression analysis; sand;     Show all 10 Subjects
Abstract:
... Potentially mineralizable nitrogen (PMN) is a widely used indicator of a soil’s organic nitrogen (N) availability, and is often measured by incubation. While it is known that the handling of soil prior to incubation (i.e., pretreatment) may affect N mineralization during the incubation, the effect of pretreatments on the relationships in PMN between samples has not been fully evaluated. The object ...
DOI:
10.1080/00103624.2021.1872607

9. Landscape Performance of Ebony Crepe Myrtle Cultivars in Low-input Landscapes in North-central Texas

Author:
Derald Harp; Kevin Chretien; Mariah Brown; Curtis Jones; Jose Lopez-Serrano
Source:
HortTechnology 2021 v.31 no.2 pp. 234-240
ISSN:
1943-7714
Subject:
silt loam soils,   etc   ; Lagerstroemia indica; clay; cultivars; landscapes; leaves; pH; powdery mildew; sandy loam soils; Texas;     Show all 10 Subjects
Abstract:
... The Ebony series of crepe myrtle (Lagerstroemia indica) cultivars includes several (Ebony Embers, Ebony Fire, Ebony Flame, Ebony Glow, and Ebony and Ivory), marketed today under the Black Diamond® brand. These are relatively new crepe myrtle cultivars unique for their dark foliage, but with little information concerning their performance in north-central Texas, especially in low-input landscapes. ...
DOI:
10.21273/HORTTECH04748-20

10. Optimization of the border size on the irrigation district scale – Example of the Hetao irrigation district

Author:
Wei-Bo Nie; Shu-Xin Dong; Yi-Bo Li; Xiao-Yi Ma
Source:
Agricultural water management 2021 v.248 pp. 106768
ISSN:
0378-3774
Subject:
silt loam soils,   etc   ; border irrigation; bulk density; clay; equations; sand; silt; silty clay loam soils; water management;     Show all 9 Subjects
Abstract:
... To improve the performance of border irrigation, this study analyzed the spatial variability characteristics of the soil particle content and bulk density, based on soil physical parameters measured at 86 sampling points in the Hetao irrigation district (HID). The soil hydraulic parameters were determined using the RETC, and HYDRUS-1D was then adopted to estimate infiltration parameters of the Kos ...
DOI:
10.1016/j.agwat.2021.106768

11. Assessing corn response to nitrogen after poultry litter application

Author:
Abdelaziz Rhezali; Moha Rabii
Source:
Journal of plant nutrition 2021 v.44 no.5 pp. 734-741
ISSN:
1532-4087
Subject:
silt loam soils,   etc   ; U.S. Cooperative Extension Service; Zea mays; corn; nitrate nitrogen; nitrogen; plant nutrition; poultry manure; Arkansas;     Show all 9 Subjects
Abstract:
... technology recommendations (app-method) at situations where poultry litter (PL) was applied. Experiments were performed in 2013 and 2014, on a silt loam soil with high residual nitrate-N to evaluate the standard and the app-method. In both years, results showed no significant differences in yield between treatments receiving 0 kg N ha⁻¹ and treatments receiving the standard and the app recommendations ...
DOI:
10.1080/01904167.2020.1849302

12. Modeling slope rainfall-infiltration-runoff process with shallow water table during complex rainfall patterns

Author:
Songbai Wu; Ting Fong May Chui; Li Chen
Source:
Journal of hydrology 2021 v.599 pp. 126458
ISSN:
0022-1694
Subject:
silt loam soils,   etc   ; algorithms; clay; infiltration rate; models; prediction; rain; runoff; sandy loam soils; soil water; water table;     Show all 11 Subjects
Abstract:
... Limitations in current infiltration modeling approaches hamper the evaluation of the effects of complex rainfall pattern and slope gradient on soil infiltration and runoff in presence of a water table (WT), although they can markedly alter the hydrologic processes. To fill the gap, the Smith et al. (1993)’s infiltration model was modified, and a modeling framework was then developed to simulate th ...
DOI:
10.1016/j.jhydrol.2021.126458

13. Deformation and pore water pressure change during static and cyclic loading with subsequent shearing on soils with different textures and matric potentials

Author:
Xinjun Huang; Rainer Horn; Tusheng Ren
Source:
Soil & tillage research 2021 v.209 pp. 104909
ISSN:
0167-1987
Subject:
silt loam soils,   etc   ; deformation; research; sand; sandy loam soils; soil pore system; soil voids; soil water; tillage; traffic;     Show all 10 Subjects
Abstract:
... Soil deformation on arable lands due to heavy machine traffic always results in compaction and stress dependent shearing. The deteriorated effects of compaction on soil pore functions have been often reported, but less is known about the shearing-induced deformation. To better understand the combined effect of compaction and shearing on soil deformation and pore water pressure uw, measurements wer ...
DOI:
10.1016/j.still.2020.104909

14. Effect of Puddling Techniques on Puddling Quality of Silty Loam Soil

Author:
K. Prasanthkumar; M. Saravanakumar; D. Asokan; J. John Gunasekar; P. Masilamani
Source:
Agricultural research 2021 v.10 no.2 pp. 215-222
ISSN:
2249-720X
Subject:
silt loam soils,   etc   ; agricultural research; infiltration rate; paddies; puddling; resistance to penetration; site preparation; subsoil; water requirement; wheels;     Show all 10 Subjects
Abstract:
... Paddy is the major cereal crop grown under standing water condition in agricultural fields. Puddling operation is carried out to facilitate standing water condition by creating an impervious layer in the subsoil surface. Puddling is a land preparation practice that will decide the water requirement in field throughout the cropping period. Different puddling techniques like puddling with cage wheel ...
DOI:
10.1007/s40003-020-00498-9

15. Maize Crop Coefficients under Variable and Fixed (Uniform) Rate Irrigation and Conventional and Variable Rate Fertilizer Management in Three Soil Types

Author:
Suat Irmak; Vasudha Sharma; Amir Haghverdi; Amit Jhala; José O. Payero; Matthew Drudik
Source:
Agricultural water management 2021 v.243 pp. 106489
ISSN:
0378-3774
Subject:
silt loam soils,   etc   ; Zea mays; corn; evapotranspiration; fertigation; fertilizers; irrigation; nitrogen; silty clay loam soils; water management; Crete;     Show all 11 Subjects
Abstract:
... Maize (Zea mays L.) evapotranspiration crop coefficients (Kc) that are needed to estimate crop evapotranspiration (ETc) using the two-step approach for variable rate irrigation and nitrogen management under different soil types have not been investigated or quantified. In this research, alfalfa- and grass-reference crop coefficients (Kcr and Kco) curves were developed for fixed rate or uniform rat ...
DOI:
10.1016/j.agwat.2020.106489

16. Propagation of soil moisture sensing uncertainty into estimation of total soil water, evapotranspiration and irrigation decision-making

Author:
Kiran Sharma; Suat Irmak; Meetpal S. Kukal
Source:
Agricultural water management 2021 v.243 pp. 106454
ISSN:
0378-3774
Subject:
silt loam soils,   etc   ; capacitance; decision making; electrical resistance; evapotranspiration; irrigation; loamy sand soils; rhizosphere; soil water; uncertainty; water management;     Show all 11 Subjects
Abstract:
... . Uncertainties in estimation of TSW, ETc and IT were quantified under each condition of use, and sensors were comparatively ranked for effective selection. It was found that all sensors underestimated ETc in silt loam soil. The deviation of sensor-measured ETc from true ETc ranged from −14 to −31 %, which implies that the choice of sensor under a given soil type impacts the quantification of consumptive use ...
DOI:
10.1016/j.agwat.2020.106454

17. Adsorption model identification for chromium (VI) transport in unconsolidated sediments

Author:
Yang Cao; Shuning Dong; Zhenxue Dai; Lin Zhu; Ting Xiao; Xiaoying Zhang; Shangxian Yin; Mohamad Reza Soltanian
Source:
Journal of hydrology 2021 v.598 pp. 126228
ISSN:
0022-1694
Subject:
silt loam soils,   etc   ; Bayesian theory; adsorption; aquifers; chromium; clay; desorption; groundwater; loamy sand soils; mineral content; pH; sediments; China;     Show all 13 Subjects
Abstract:
... Transport of hexavalent chromium, Cr (VI), in groundwater is largely influenced by adsorption and desorption processes. Sediment types can result in substantial difference in adsorption mechanisms. The goal of this work is to explore the adsorption mechanism of Cr (VI) within sediments with different properties and to identify the controlling factors. In this paper, Cr (VI) adsorption onto six dif ...
DOI:
10.1016/j.jhydrol.2021.126228

18. Variation in the flow rate of drip emitters in a subsurface irrigation system for different soil types

Author:
Virgílio Henrique Barros Nogueira; Adriano Valentim Diotto; Michael Silveira Thebaldi; Alberto Colombo; Yasmin Fernandes Silva; Elvis Marcio de Castro Lima; Gabriel Felipe Lima Resende
Source:
Agricultural water management 2021 v.243 pp. 106485
ISSN:
0378-3774
Subject:
silt loam soils,   etc   ; agricultural development; clay; clay loam soils; microirrigation; models; sandy loam soils; subsurface irrigation; water distribution; Brazil;     Show all 10 Subjects
Abstract:
... Several studies have shown that irrigation is essential for global agricultural development. However, water is a limited resource and should be used as efficiently as possible, which requires appropriate management. As such, the search for irrigation techniques that are more efficient in terms of water use, such as subsurface drip irrigation, is ongoing. Subsurface drip irrigation systems are high ...
DOI:
10.1016/j.agwat.2020.106485

19. A new simple and low-cost air permeameter for unsaturated soils

Author:
Rui Chen; Jun-Wen Huang; Chao Zhou; Yang Ping; Zhong-Kui Chen
Source:
Soil & tillage research 2021 v.213 pp. 105083
ISSN:
0167-1987
Subject:
silt loam soils,   etc   ; air; air transportation; analysis of variance; atmospheric pressure; clay; permeability; permeameters; research; sandy loam soils; tillage;     Show all 11 Subjects
Abstract:
... Air permeability, kₐ, plays an important role in understanding the air transport behavior in unsaturated soils. As for the measurement of kₐ, existing air permeameters using steady-state methods are relatively complicated and costly. Therefore, in this study, a new simple and low-cost air permeameter was developed, which can supply steady air pressure on soil specimen and measure the flow rate of ...
DOI:
10.1016/j.still.2021.105083

20. Stability of Aggregates Made by Earthworms in Soils with Organic Additives

Author:
Agnieszka Józefowska; Karolina Woźnica; Justyna Sokołowska; Agata Sochan; Tomasz Zaleski; Magdalena Ryżak; Andrzej Bieganowski
Source:
Agronomy 2021 v.11 no.3 pp. -
ISSN:
2073-4395
Subject:
silt loam soils,   etc   ; Aporrectodea caliginosa; Dendrodrilus rubidus; aggregate stability; agronomy; clay; composts; earthworms; organic matter; peat; sand; soil texture; straw;     Show all 13 Subjects
Abstract:
... Earthworm activity is a key factor in creating soil aggregates, but introduced organic matter and abiotic factors are also equally important. The purpose of this study was to investigate the stability of aggregates made by earthworms in soils with organic additives. Additionally, the two aggregate stability measurement methods were compared: (i) the wet-sieve method and (ii) the laser diffraction ...
DOI:
10.3390/agronomy11030421