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Land
Special Issues
Application of Spectroscopy and Other Instrumental Methods for Soil
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Application of Spectroscopy and Other Instrumental Methods for Soil

A special issue of Land (ISSN 2073-445X). This special issue belongs to the section "Soil-Sediment-Water Systems".

Deadline for manuscript submissions: closed (20 September 2021) | Viewed by 7928

Special Issue Editor

Dr. Maria Jerzykiewicz

E-Mail Website
Guest Editor
University of Wroclaw, 14a Joliot-Curie, 50-383 Wroclaw, Poland
Interests: soil; humic substances; peat; biochar; compost; spectroscopy; EPR; FT-IR; NMR; UV–Vis

Special Issue Information

Dear Colleagues,

Protecting soil and finding means to fight against soil degradation has to be among the most important goals of agricultural and environmental sciences all over the word. Improving our knowledge about potential impacts which could affect the natural soil process and which could be the reason behind the decline of soil fertility and productivity was and is the responsibility of researchers from different disciplines.

Ongoing development of modern instrumental techniques allows studying the structure of soil and its components in detail, and also the transformations occurring under climatic changes, environment pollution or other human actions.

The factors constraining and developing the application of spectroscopy in soil studies as an alternative to traditional laboratory analysis should be addressed. The manuscripts should also highlight the widespread use of spectroscopy and other instrumental techniques to monitor of a standard collection of soils. As well as the anthropogenic impact on soils, spectroscopic characteristics are also an interesting issue. Detailed structural information obtained with the use of modern techniques allows finding new ways of soil science development. Apart from studies of soil itself, an important part of investigations concerns soil amendments and fertilizers such as compost and biochar.

This Special Issue aims to present and foster research that includes all topics that fall within the study of soil science using spectroscopic methods as well as other modern techniques such as electron microscopies, chromatographies, mass spectroscopy, etc.

We accept original research papers, research briefs, and reviews.

Dr. Maria Jerzykiewicz
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Land is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • soil
  • SOM
  • NOM
  • spectroscopy
  • NMR
  • FT-IR
  • UV–Vis

Published Papers (3 papers)

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Research

13 pages, 1019 KiB  
Article
Effects of Salinity on the Macro- and Micronutrient Contents of a Halophytic Plant Species (Portulaca oleracea L.)
by Gulom Bekmirzaev, Baghdad Ouddane, Jose Beltrao, Mukhamadkhon Khamidov, Yoshiharu Fujii and Akifumi Sugiyama
Land 2021, 10(5), 481; https://doi.org/10.3390/land10050481 - 03 May 2021
Cited by 17 | Viewed by 2247
Abstract
The main purpose of the two consecutive experimental studies presented here was to compare the effect of salinity on nutrients in leaves of the halophytic plant species Portulaca oleracea L. and in soil. The first experiment was conducted to study the effect of [...] Read more.
The main purpose of the two consecutive experimental studies presented here was to compare the effect of salinity on nutrients in leaves of the halophytic plant species Portulaca oleracea L. and in soil. The first experiment was conducted to study the effect of salinity on plant growth, biomass accumulation, yield, root layer development, salt accumulation, and the dynamics of changes in mineral substances in plants and soil. In the second experiment, P. oleracea seeds were sown directly into salinized soil (treated immediately before plant growth) to determine the nutrient levels in leaves and soil. Three salinity treatments (saline water solution with NaCl: T1, 5 dS m−1; T2, 9.8 dS m−1; and T3, 20 dS m−1) and a control treatment (T0, 1 dS m−1) were used in the first experiment. The soil in the second experiment was used in a previous study (performed immediately before P. oleracea growth) (salinized soil: T1, 7.2 dS m−1; T2, 8.8 dS m−1; T3, 15.6 dS m−1; T0, 1.9 dS m−1). The plants were irrigated with tap water at amounts in the range of 0.25–0.50 L/pot. Analysis of the experimental results showed that P. oleracea is resistant to salinity, is able to remove ions (400–500 kg ha−1 NaCl), and can be grown in saline soil. The results indicated that P. oleracea is able to grow in high-salinity soil. This finding was confirmed by the dry matter obtained under high-salinity conditions. Salinity stress affected nutrient uptake in leaves and soil. Full article
(This article belongs to the Special Issue Application of Spectroscopy and Other Instrumental Methods for Soil)
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15 pages, 37991 KiB  
Article
A Novel Method for Obtaining the Loess Structural Index from Computed Tomography Images: A Case Study from the Lvliang Mountains of the Loess Plateau (China)
by Yaming Tang, Yinqiang Bi, Zizheng Guo, Zhengguo Li, Wei Feng, Jiayun Wang, Yane Li and Hongna Ma
Land 2021, 10(3), 291; https://doi.org/10.3390/land10030291 - 12 Mar 2021
Cited by 3 | Viewed by 2089
Abstract
The structural index is an important quantitative parameter for revealing the structural properties of loess. However, there is no a widely accepted measurement method for structural index at present. This study aims at presenting a novel method for obtaining the loess structural index [...] Read more.
The structural index is an important quantitative parameter for revealing the structural properties of loess. However, there is no a widely accepted measurement method for structural index at present. This study aims at presenting a novel method for obtaining the loess structural index (LSI), based on the application of computed tomography (CT) scanning techniques and laboratory physico-mechanical tests. The mountainous area of Lvliang in northwest China was taken as the study area, and Late Pleistocene loess samples were taken from various sites in the region. Several physical parameters were first measured using laboratory tests, including dry density, pore ratio, and liquidity index. CT scanning was used to observe sample microstructures, and a mathematical relationship was established between CT image parameters and the physical property indices, through three dimensions (3D) reconstruction and slice porosity analysis. The results revealed that LSI can be expressed as a non-linear function related to CT image parameters, dry density, and the liquidity index of the loess. Compared with traditional calculation methods, this novel technique calculates the LSI by using an empirical formula, which is less labor-intensive. Such results indicate that the method warrants wide application in the future. Full article
(This article belongs to the Special Issue Application of Spectroscopy and Other Instrumental Methods for Soil)
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11 pages, 1972 KiB  
Article
Mid-Infrared Spectroscopy Supports Identification of the Origin of Organic Matter in Soils
by Michał Dudek, Cezary Kabała, Beata Łabaz, Paweł Mituła, Magdalena Bednik and Agnieszka Medyńska-Juraszek
Land 2021, 10(2), 215; https://doi.org/10.3390/land10020215 - 21 Feb 2021
Cited by 11 | Viewed by 2762
Abstract
Spectroscopic methods combined with statistics have recently gathered substantial interest in pedological studies. Near-infrared (NIR) spectroscopy has been utilized, for example, for reconstructions of the history and transformations of Chernozems, although no similar research was conducted based on mid-infrared (MIR). In this paper, [...] Read more.
Spectroscopic methods combined with statistics have recently gathered substantial interest in pedological studies. Near-infrared (NIR) spectroscopy has been utilized, for example, for reconstructions of the history and transformations of Chernozems, although no similar research was conducted based on mid-infrared (MIR). In this paper, the relevance of MIR spectroscopy was tested in studies on the origin/affinity of organic matter from chernozemic soils. Samples collected from three vegetation classes (grasslands, forests and arable lands) were investigated using MIR spectroscopy in order to create a statistical model, which was applied on buried profiles of unknown origin. The results showed a clear disjunction of vegetation classes. Samples of buried soil were placed in the space between all classes, indicating the relation to variable vegetation. Therefore, arable lands should not be omitted in paleoecological reconstructions, because we cannot exclude the cultivation of fertile soils before their burial. It was concluded that MIR methods may have similar applicability to NIR spectroscopy. Additionally, MIR spectra may also be discriminated according to the recognized soil type, which allows for direct reconstructions of the transformation trends in buried profiles. Full article
(This article belongs to the Special Issue Application of Spectroscopy and Other Instrumental Methods for Soil)
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