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Journal articles on the topic 'Soil profiles'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 August 2024

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1

Salh, Qadri, Zhino Abdalla, Khasraw Rashid, and Shuela Sheikh-Abdullah. "Assessment of Fe, Ni, Zn, Cu, Cr, and Cd Migration in Soil Profiles Affected by Open Dump Leachate in Tanjero area." Journal of Zankoy Sulaimani - Part A 25, no. 2 (2023): 12. http://dx.doi.org/10.17656/jzs.10917.

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The properties of an open dump area are important to the application of the elements to the soils and their migrations through soil depth; therefore this study was investigated to evaluate the migration of elements in an open dump area. Soil samples were taken from three soil profiles, one of them was at an open dump site, and the second and third profiles were taken at different distances from the open dump site. In total eighteen soil sample were collected. Some soil physical and chemical properties were determined for each horizon. Total concentrations of Fe, Ni, Zn, Cu, Cr, and Cd were det

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Mad Said, Mohd Jazlan, Adnan Zainorabidin, and Aziman Madun. "Soil Velocity Profile on Soft Soil Using Seismic Refraction." Applied Mechanics and Materials 773-774 (July 2015): 1549–54. http://dx.doi.org/10.4028/www.scientific.net/amm.773-774.1549.

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Soil velocity profile often used as subsurface characterization by using geophysical technic. Seismic refraction is one of geophysical technique to determine primary wave (p-wave) velocity of soil profile. In this paper, seismic refraction technique has been performed on two different types of soft soil (peat soil and RECESS clay) for comparison of its p-wave velocity soil profile. From p-wave velocity soil profile comparison, its show the peat soil has soil velocity range from 211 m/s – 534 m/s at depth of 0 – 4 m while the soft clay show soil velocity range from 248 m/s – 1842 m/s at depth o

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3

Hidayat, Wahyu, Dyah Tjahyandari Suryaningtyas, and Budi Mulyanto. "Soil fertility based on mineralogical properties to support sustainable agriculture management." SAINS TANAH - Journal of Soil Science and Agroclimatology 21, no. 1 (2024): 95. http://dx.doi.org/10.20961/stjssa.v21i1.85502.

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<p>Detailed information on soil mineral composition has been crucial in providing the basis for designing sustainable agricultural practices, as this information offers long-term insights into natural soil fertility. This research aimed to further investigate the characteristics of soil mineral composition as a basis for managing soil fertility. Three soil profiles representing three different parent materials have been examined in the field, and soil samples have been collected for laboratory analysis. Profile 1 originates from the Raung Volcano Rock Formation (Qhvr). Profile 2 originat

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O'Brien, Bernard John. "The Use of Natural and Anthropogenic 14C to Investigate the Dynamics of Soil Organic Carbon." Radiocarbon 28, no. 2A (1986): 358–62. http://dx.doi.org/10.1017/s0033822200007463.

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Radiocarbon has been measured in two soil profiles, one of which has been covered by a building since 1956. A comparison of the Δ14C values in horizons of each profile gives an estimate of the total input of atom bomb 14C into the soil profile. From the Δ14C and carbon density profile data, the carbon input rates, respiration rates, and diffusivity are calculated. The lack of vegetation on one soil affects the mobility and the respiration rate of the soil carbon in that soil. The data from this soil profile are also used to check the assumption, used in previous analyses, that there is a unifo

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Babayeva, A., S. Adygozelova, S. Mikailova, K. Abdullayeva, and A. Mamedova. "Factors Forming Soil Combinations and Comparative Geographical Approaches to the Study of Soil Cover Structure." Bulletin of Science and Practice, no. 8 (August 15, 2023): 27–38. http://dx.doi.org/10.33619/2414-2948/93/03.

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The comparative geographical approach to the study of soils consists in the parallel study of soils and soil formation factors at various points and in the analysis of their relationships. Compilation of profiles can be carried out in the office (if there is sufficient cartographic material) or on the basis of special field studies. Often both of these methods are combined: profiles of smaller scales are compiled in the office, and larger scales — on the basis of special field studies. Soil formation factors were also applied to these profiles (first of all, the relief that determined the prof

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6

Skvortsova, E. B., K. N. Abrosimov, and K. A. Romanenko. "CHANGES IN MICROMORPHOMETRIC PARAMETERS OF VOIDS ALONG THE PROFILE OF ZONAL SOILS IN EUROPEAN RUSSIA." Dokuchaev Soil Bulletin, no. 78 (May 1, 2015): 42–58. http://dx.doi.org/10.19047/0136-1694-2015-78-42-58.

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The soils are distinguished by the presence and the profile distribution pattern of such pedogenic parameters as the organic matter content, available pedofeatures, structural state of the soil mass, etc. They differ in the organization of the pore space throughout the soil profile as well. Under discussion are results of computer micromorphometric analysis of fine macropores d = 0.2-2.0 mm in thin sections of vertical orientation from samples taken in genetic horizons of podzolic, soddy podzolic, gray forest soils and chernozems at the territory of European Russia. The profile changes in void

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7

Yu, Dandan, Feilong Hu, Kun Zhang, Li Liu, and Danfeng Li. "Available water capacity and organic carbon storage profiles in soils developed from dark brown soil to boggy soil in Changbai Mountains, China." Soil and Water Research 16, No. 1 (2020): 11–21. http://dx.doi.org/10.17221/150/2019-swr.

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The available water capacity (AWC) is the most commonly used parameter for quantifying the amount of soil water that is readily available to plants. Specific AWC and soil organic carbon storage (SOCS) profiles are consequences of the soil development process. Understanding the distributions of AWC and SOCS in soil profiles is crucial for modelling the coupling between carbon and water cycle processes, and for predicting the consequences of global change. In this study, we determined the variations in the AWC and SOCS from the surface to a depth of 100 cm in soils developed from dark brown soil

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8

Durak, Alper, and Mehmet Erdem Aydın. "Yeşilırmak Nehir Teraslarında Toprakların Oluşumu ve Sınıflandırılması." Turkish Journal of Agriculture - Food Science and Technology 2, no. 2 (2014): 98. http://dx.doi.org/10.24925/turjaf.v2i2.98-105.97.

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In this study, the soils of which parent material is alluvial and formed Yeşilırmak river terraces were investigated. For this purposes four different profiles were excavated in the study area. Then twenty-seven soil samples were taken from horizons of four profiles and their physical and chemical analyses were done for soil taxonomy research. Profile of Kumocagi and Cakil were classified in subgroup as Typic Ustipsamments, Havaalanı and Mera profiles were classified Typic Haplustolls and Typic Argiustolls subgroups respectively. The pH values of soils varied between 7.38-8.41. These soils can

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9

P. GURUMURTHY and T. SREELATHA. "CHEMICAL COMPOSITION AND PEDOGENESIS OF SOILS OF AGRICULTURAL COLLEGE FARM, NAIRA, ANDHRA PRADESH." Journal of Research ANGRAU 51, no. 3 (2023): 14–23. http://dx.doi.org/10.58537/jorangrau.2023.51.3.02.

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The study on elemental composition and pedogenesis of soils of Agricultural College farm, Naira of Srikakulam district was carried-out during 2021. The soils were developed from granite-gneiss parent material. Total silica (SiO2) content of soils ranged from 50.5 to 74.6 percentage. Silica content in general decreased with soil depth, while sesquioxides (R2O3), alumina (Al2O3), iron oxide (Fe2O3), CaO, K2O, Na2O, MnO were found increasing with depth. High silica/ sesquioxide ratio of soils indicated siliceous nature of soils. The aluminum oxide content of the profiles varied from 15.80% to 26.

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CICŞA, Avram, Gheorghe Marian TUDORAN, Maria BOROEANU, Alexandru C. DOBRE, and Gheorghe SPÂRCHEZ. "Influence of Soil Genesis Factors on Gurghiu Mountain Forest Soils’ Physical and Chemical Properties." Series II: Forestry • Wood Industry • Agricultural Food Engineering 14(63), no. 2 (2021): 1–14. http://dx.doi.org/10.31926/but.fwiafe.2021.14.63.2.1.

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This research aimed to determine the values of chemical properties and the relationships between the main pedoecological factors that characterize the soils in the Gurghiu Mountains. The mapping surveys were carried out on an area of 4,647.36 ha located in the mixed mountain forest sites (FM2) (1,000–1,400 m altitude). The area was stratified into homogeneous site units in terms of climate, hydricity, and trophicity. At the level of the elementary site units, 35 main soil profiles and 46 control profiles were placed. The number of profiles was determined statistically to ensure an error of no

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Mew, G., and R. Lee. "Argillite soil characteristics influencing sustained pastoral production, east coast, North Island, New Zealand." Soil Research 31, no. 2 (1993): 165. http://dx.doi.org/10.1071/sr9930165.

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Shoulder, mid-, and foot-slope profiles from two representative soil toposequences developed on siliceous mudstone, on steep land under cut-over forest and scrub, were described morphologically and analysed for selected chemical, physical and mineralogical properties, principally to determine the constraints to long-term sustainable pastoral production. The soils are low in both available phosphorus and sulfur, but the chief constraint appears to be high subsoil acidity giving rise to toxic levels of exchangeable Al. This is presumed to restrict root growth and N-fixing ability of the mixed gr

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Majgier, Leszek, and Oimahmad Rahmonov. "Selected Chemical Properties of Necrosols from the Abandoned Cemeteries Słabowo and Szymonka (Great Mazurian Lakes District)." Bulletin of Geography. Physical Geography Series 5, no. 1 (2012): 43–55. http://dx.doi.org/10.2478/v10250-012-0003-8.

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Abstract The paper shows the occurrences of cemetery soils and the physico-chemical features of soils in the cemeteries Słabowo and Szymonka (Great Mazurian Lakes District). Necrosols are anthropogenic soils and belong to Urbanosols. They form only in the area of cemeteries. Four soil profiles (Necrosols) were investigated in terms of morphological description and chemical properties especially phosphorus (Pt), organic carbon (OC) and nitrogen (Nt). These profiles were compared with the reference profile (Rusty soil, according to WRB 2007 Brunic Arenosol) made outside the cemetery. On the basi

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13

Radmanovic, Svjetlana, Maja Gajic-Kvascev, Vesna Mrvic, and Aleksandar Djordjevic. "Characteristics of Rendzina soils in Serbia and their WRB classification." Journal of Agricultural Sciences, Belgrade 65, no. 3 (2020): 251–61. http://dx.doi.org/10.2298/jas2003251r.

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According to the Serbian official soil classification system, Rendzina is a soil type with an A-AC-C-R profile, developed on parent rock containing more than 20% of calcareous material (except soils with an A-R profile on hard pure limestone or dolomite). Previous investigations have shown that 29 Rendzina soil profiles from Serbia belong to the reference soil groups (RSGs) of Leptosols, Regosols and Phaeozems according to the World Reference Base for Soil Resources (WRB 2015). The present study addresses the correlations among three WRB RSGs in terms of soil texture, mean weight diameter (MWD

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Bain, D. C., and D. T. Griffen. "Possible effects of land use on the clay mineralogy of a brown forest soil." Clay Minerals 37, no. 4 (2002): 663–70. http://dx.doi.org/10.1180/0009855023740068.

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AbstractThree soil profiles classed as brown forest soils on schistose parent material, in close proximity but under different land uses, have been studied. The profile under 50 year-old Sitka spruce trees is the most acidic, the second profile under rough grassland is less acidic, and the third profile in an arable field which has been fertilized is the least acidic. The clay fractions (ς μm) of all three profiles are very similar. However, computer simulations of the X-ray diffraction patterns of clay phases using a modified version of NEWMOD revealed two possible weathering trends: (1) an i

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15

Rokich, Deanna P., Kathy A. Meney, Kingsley W. Dixon, and K. Sivasithamparam. "The impact of soil disturbance on root development in woodland communities in Western Australia." Australian Journal of Botany 49, no. 2 (2001): 169. http://dx.doi.org/10.1071/bt00015.

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The impact of soil disturbance of the Banksia woodland soil profile and particularly the effect of different reconstructed soil profiles (overburden profile, white profile and yellow profile) and soil ripping within rehabilitation sites, was investigated in terms of root development and architecture for eight species that are key structural elements in Banksia woodland. The aim was to determine the soil environment best suited for root development and architecture likely to contribute to high seedling survival in post-mined sites. Root development and architecture differed significantly betwee

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Özaytekin, Hasan, Cihan Uzun, and Mert Dedeoğlu. "Genesis, mineralogy, and geochemistry of soil profiles developed on volcanic materials under semi-arid conditions from Central Anatolia-Turkey." Earth Sciences Research Journal 27, no. 4 (2024): 425–36. http://dx.doi.org/10.15446/esrj.v27n4.100856.

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Pedogenesis of volcanic soils has been studied broadly in humid regions, but very little data are present regarding these soils in arid and semi-arid regions of Turkey. This research aimed to assess the pedological processes and investigate the physical, chemical, and mineralogical characteristics of soil profiles developed from volcanic parent material. The studied soils were not classified as Andisol because they lack andic properties. The results showed that sand and coarse silt fractions exceeded 30%. The bulk density was higher than 0.90 grcm-3 in all profiles. In general, phosphate reten

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Liu, Xianbin, Xiaoming Zou, Min Cao, and Tushou Luo. "Organic Carbon Storage and 14C Apparent Age of Upland and Riparian Soils in a Montane Subtropical Moist Forest of Southwestern China." Forests 11, no. 6 (2020): 645. http://dx.doi.org/10.3390/f11060645.

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Upland and riparian soils usually differ in soil texture and moisture conditions, thus, likely varying in carbon storage and turnover time. However, few studies have differentiated their functions on the storage of soil organic carbon (SOC) in sub-tropical broad-leaved evergreen forests. In this study, we aim to uncover the SOC storage and 14C apparent age, in the upland and riparian soils of a primary evergreen broad-leaved montane subtropical moist forest in the Ailao Mountains of southwestern China. We sampled the upland and riparian soils along four soil profiles down to the parent materia

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Zhou, Wenxiang, Guilin Han, Man Liu, Chao Song, and Xiaoqiang Li. "Geochemical Distribution Characteristics of Rare Earth Elements in Different Soil Profiles in Mun River Basin, Northeast Thailand." Sustainability 12, no. 2 (2020): 457. http://dx.doi.org/10.3390/su12020457.

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Exploring the distributions of rare earth elements (REEs) in soil profiles is essential to understanding how natural and anthropogenic factors influence the geochemical behaviors of REEs. This study aimed to learn about the distribution characteristics of REEs in soils, including their fractionation and enrichment, and to explore the influence of soil pH and soil organic carbon (SOC) on REEs. One hundred and three samples were collected from six soil profiles under different land uses (paddy field: T1, T3; forest land: T2, T6; wasteland: T4; building site: T5) in the Mun River Basin, Northeast

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Nevedrov, N. P. "Profile Distribution and Migration of Heavy Metals in the Soils of the Kursk Agglomeration (Model Experiments)." South of Russia: ecology, development 15, no. 1 (2020): 60–68. http://dx.doi.org/10.18470/1992-1098-2020-1-60-68.

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Aim. Laboratory evaluation of the characteristics of spatial distribution and migration of heavy metals (HM) in model soil profiles of varied genesis through measurement of the electrokinetic potential of soil solutions. Material and Methods. Undisturbed soils of forest parks landscapes and continental floodplain meadows of the Kursk agglomeration were studied. Experiments were carried out in laboratory conditions. The short‐term temporal dynamics were studied of vertical distribution and migration of the introduced HMs in model soil columns which imitated soil profiles. Results. Analysis of t

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Ghanem, S., and A. Ibrahim. "Characterization and Classification of Some Soils Formed on Ophiolitc Rocks in Al-Bassit Region /Northwestern Syria." IOP Conference Series: Earth and Environmental Science 1252, no. 1 (2023): 012061. http://dx.doi.org/10.1088/1755-1315/1252/1/012061.

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Abstract The aim of this study is to characterize and classify soils formed from ophiolitic rocks (mafic and ultramafic) by determining their morphological, physical and chemical properties, petrographic and elemental composition studies. The profiles were prepared under forest vegetation (pines) and described based on the referenced methods in Al-Bassit region (NW Syria) between the coordinates: N: 35° 41` - N: 35° 57`, E: 35° 42` - E: 36° 05`, which belongs to Mediterranean climate regime. Samples were collected from horizons of all profiles and some physical and chemical analyses were perfo

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Ping, C. L. "Soil Temperature Profiles of Two Alaskan Soils." Soil Science Society of America Journal 51, no. 4 (1987): 1010–18. http://dx.doi.org/10.2136/sssaj1987.03615995005100040035x.

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Kuźniar, Agnieszka, Artur Banach, Zofia Stępniewska, et al. "Community-level physiological profiles of microorganisms inhabiting soil contaminated with heavy metals." International Agrophysics 32, no. 1 (2018): 101–9. http://dx.doi.org/10.1515/intag-2016-0096.

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AbstractThe aim of the study was to assess the differences in the bacterial community physiological profiles in soils contaminated with heavy metalsversussoils without metal contaminations. The study’s contaminated soil originated from the surrounding area of the Szopienice non-ferrous metal smelter (Silesia Region, Poland). The control was soil unexposed to heavy metals. Metal concentration was appraised by flame atomic absorption spectrometry, whereas the the community-level physiological profile was determined with the Biolog EcoPlatesTMsystem. The soil microbiological activity in both site

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Różański, Szymon, Halina Dąbkowska-Naskręt, and Hanna Jaworska. "Profile distribution of mercury in selected urban soils / Profilowe rozmieszczenie rtęci w wybranych glebach miejskich." Ochrona Srodowiska i Zasobów Naturalnych 26, no. 3 (2015): 1–5. http://dx.doi.org/10.1515/oszn-2015-0016.

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Abstract With the expansion of urbanization, the increase of pollutants in air, soil and water is observed. The major source of Hg in urban soils is fossil fuel combustion, and these soils become important indicators of contaminants in the soil environment.The aim of the research was to determine the distribution of mercury in urban soil profiles on the basis of their physicochemical properties and origin.Analysed soils come from the city centre of Bydgoszcz, from park and square areas intended for recreation. Research was conducted on four soil profiles: Mollic Regosol (Technic), Skeletic Reg

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CALCIU, Irina, Alexandrina MANEA, Victoria MOCANU, Olga VIZITIU, and Sorina DUMITRU. "JOINING THE GEOGRAPHIC INFORMATION SYSTEM OF SOIL RESOURCES (SIGSTAR-200) WITH SOIL PROFILES INFORMATION FROM THE NATIONAL NETWORK FOR SOIL QUALITY MONITORING 8 KM X 8 KM." AgroLife Scientific Journal 12, no. 1 (2023): 28–33. http://dx.doi.org/10.17930/agl202314.

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The rational and efficient management of land resources, in the frame of a sustainable agriculture and environment protection, have to be based on the operational, and at the same time, more detailed and accurate knowledge of soil resources. This knowledge is based on soil information obtained by carrying out soil surveys and field research, and by laboratory measurements of main soil physical and chemical parameters. Thus, the basic soil information, consisting primarily of data on soil profiles representative of the study areas is obtained. The objective of this paper is to develop several a

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Smirnova, M. A., A. N. Gennadiev, and Yu G. Chendev. "Short–Range Variation of Humus and Carbonate Profiles of Arable Chernozems (Key Site in Belgorod Region)." Почвоведение, no. 3 (March 1, 2023): 300–311. http://dx.doi.org/10.31857/s0032180x22601086.

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The short-range variation of soil properties is a particular expression of the spatial soil variability; it is non-directional short-periodic (in the range of a few meters) changes in soil-profile features. The short-range variation of soil properties is aimed to characterize the continuum nature of soil cover instead of the discrete (as in the soil cover pattern theory), thus the soil cover is presented by a continuum field of various soil properties, and the boundaries of the selected soil properties ranges may or may not coincide with the soil taxonomic boundaries. The study is based on soi

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Unno, Y., A. Takeda, Y. Takaku, and S. Hisamatsu. "RELATIONSHIP BETWEEN SOIL–SOIL-SOLUTION DISTRIBUTION COEFFICIENTS OF 125I AND 127I IN PASTURE SOIL." Radiation Protection Dosimetry 184, no. 3-4 (2019): 380–84. http://dx.doi.org/10.1093/rpd/ncz108.

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Abstract We measured the depth profiles of soil–soil-solution distribution coefficients (Kd) of native 127I (127I-Kd) and exogenous 125I– (125I-Kd) in soils from a pasture near the spent nuclear fuel reprocessing plant in Rokkasho, Japan, and investigated their relationships to depth profiles of the concentration in soil of 127I and organic C and Kd of organic C (C-Kd). The depth profiles of 125I-Kd and 127I-Kd were similar. The relatively low 127I concentrations and low values of both 127I-Kd and 125I-Kd indicate that some of the I deposited on the soil surface have been transported to depths

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BARROS, Gerson Moreira, Jean Cheyson Barros dos SANTOS, Valdomiro Severino de SOUZA JÚNIOR, Elaine Almeida DELARMELINDA, José Coelho de ARAÚJO FILHO, and Elis Regina Guimarães CÂMARA. "Association between parent materials and soil attributes along different geological environments in western Pará, Brazil." Acta Amazonica 48, no. 3 (2018): 261–70. http://dx.doi.org/10.1590/1809-4392201703322.

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ABSTRACT The expansion of the agricultural frontier into different geological environments in the west of the state of Pará, northern Brazil, makes it necessary to know the influence of the parent material on local soil attributes. This study aimed to evaluate the influence of different parent materials on five soil profiles along a lithosequence exposed by the BR-163 highway, which runs from north to south through western Pará. The soils were classified, morphologically described and their main horizons sampled for physical, mineralogical and chemical analyses, including the determination of

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Demattê, José Alexandre Melo, Fabrício da Silva Terra, and Carlos Fernando Quartaroli. "Spectral behavior of some modal soil profiles from São Paulo State, Brazil." Bragantia 71, no. 3 (2012): 413–23. http://dx.doi.org/10.1590/s0006-87052012005000038.

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Remote sensing has a high potential for environmental evaluation. However, a necessity exists for a better understanding of the relations between the soil attributes and spectral data. The objective of this work was to analyze the spectral behavior of some soil profiles from the region of Piracicaba, São Paulo State, using a laboratory spectroradiometer (400 to 2500 nm). The relations between the reflected electromagnetic energy and the soil physical, chemical and mineralogical attributes were analyzed, verifying the spectral variations of soil samples in depth along the profiles with their cl

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Gömöryová, Erika, Gabriela Barančíková, Erika Tobiašová, et al. "Responses of soil microorganisms to land use in different soil types along the soil profiles." Soil and Water Research 15, No. 2 (2020): 125–34. http://dx.doi.org/10.17221/20/2019-swr.

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The objective of this study was to find out how land use affects the soil microbial attributes in different soil types and to which depth. The study was performed in Slovakia (Europe) in three areas differing in soil type (Chernozem, Stagnosol, Cambisol). Within each area, three localities with different land use (forest, grassland, cropland), representing a gradient with different intensity of management, were chosen. The soil samples were taken along a single soil profile up to a depth of 1 m with 10 cm increments at each locality. In the soil samples, the basic soil chemical properties and

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., NATARAJAN, and SACHITHANANDHAM . "SOILS OF THE OIL SEED EXPERIMENTAL STATION, TINDIVANAM." Madras Agricultural Journal 72, september (1985): 505–9. http://dx.doi.org/10.29321/maj.10.a02398.

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An investigation to study the morphological characteristics of soils by examining the profiles and physical and chemical properties of soil by analysing the profile samples was undertaken in the Oilseed Experimental Station, Tindivanam. The soils were classi- fied taxonomically. This study will be useful to lay out the various research experi ments based on the soil characteristics.

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S, Paramananthan, Nurfashareena Muhamad, and Joy Jacqueline Pereira. "Soil Related Factors Controlling Erosion And Landslides In Malaysia." Bulletin Of The Geological Society Of Malaysia 72 (November 15, 2021): 165–75. http://dx.doi.org/10.7186/bgsm72202113.

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The high temperature and rainfall in Malaysia results in intensive tropical weathering and depending on the parent material, the resultant soil can have deep or shallow soil profiles. Thus, a variety of soils can form with different textures (clay content), structure and porosity. With the high rainfall, soils in steep terrain are subjected to surface erosion when exposed or landslides if the rainwater percolates into the soil profile. Key soil-related factors controlling soil erosion and landslides include local climate, parent material of soils and depth of the weathered profile. Slope and g

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Hendershot, William H. "A Comparison of some Upland and Valley Soils in the Ungava-Labrador Peninsula." Géographie physique et Quaternaire 38, no. 3 (2007): 243–56. http://dx.doi.org/10.7202/032566ar.

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ABSTRACT Thirteen soil profiles from northern Québec and Labrador, Canada, near the northern tree-line, were sampled and analysed. Five of these, located on poorly to imperfectly drained sites, are strongly cryoturbated soils with permafrost at a shallow depth. Below the surface horizon they have very uniform profile distributions of pH, carbon and extractable iron and aluminum due to the active mixing of the horizons. The eight soils from well-drained sites have profiles similar to those of soils in similar settings in more temperate climatic regions. One of these, developed in one of the mos

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Garcia, Cira Hortensia Pérez, Hedinaldo Narciso Lima, Francisco Weliton Rocha Silva, et al. "Chemical properties and mineralogy of soils with plinthite and petroplinthite in Iranduba (AM), Brazil." Revista Brasileira de Ciência do Solo 37, no. 4 (2013): 936–46. http://dx.doi.org/10.1590/s0100-06832013000400011.

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Large areas of Plinthosols with ferruginous materials such as plinthite and/or petroplinthite are fairly common in the Brazilian Amazon basin. This work was carried out to investigate the chemical behavior, mineralogical composition and weathering stage of four representative soil profiles with plinthite and petroplinthite, in Iranduba, AM (Central Amazon). Three well-drained soil profiles at high elevations were studied (P1, Plinthic Vetic Ferralsol; P2 and P3, Vetic Endopetric Plinthosol) and a contrasting poorly drained soil (P4 Haplic Plinthosol), located at low elevation. After profile de

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Galović, Lidija, Stjepan Husnjak, Ajka Šorša, and Jasmina Martinčević Lazar. "Evidence and mineralogical and physico-chemical properties of chernozem and chernozem-like soils in Croatia." Geologia Croatica 76, no. 3 (2023): 113–28. http://dx.doi.org/10.4154/gc.2023.08.

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The aim was to determine possible local differences between the parent materials of recent leoss-derived soils in eastern Croatia (Dalj, Zmajevac). Furthermore, it highlights the existence of chernozem and chernozem-like soils in Croatia and describes their basic physical, chemical and mineral properties. For this purpose, two soil profiles (P-3 and P-6) south of the Dalj settlement and one soil profile (P-10) near the Zmajevac settlement were excavated. The investigation included a detailed pedological analysis, a modal analysis of the heavy and light mineral fraction and a mineralogical anal

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Xu, ZH, M. Amato, JN Ladd, and DE Elliott. "Soil nitrogen availability in the cereal zone of South Australia .2. Buffer-extractable nitrogen, mineralisable nitrogen, and mineral nitrogen in soil profile under different land uses." Soil Research 34, no. 6 (1996): 949. http://dx.doi.org/10.1071/sr9960949.

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Mineral nitrogen (nitrate-N+ammonium-N) and its distribution in soil profiles to 60 cm depth at sowing in 3 growing seasons, 1990-1992, were assessed for 123 field experimental sites in South Australia. The sites were used to test N fertiliser responses with cereal crops following different land uses. More than 90% of the variation in mineral N at cereal sowing was attributable to nitrate-N in the 60-cm soil profiles. Coefficients of variation (CV) for nitrate-N ranged from 37 to 45%, less than half of the CV values (88-113%) for ammonium-N. More than 70% of mineral N in soil to 60 cm depth wa

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Johnsen, Anders R., Anne Winding, Ulrich Karlson, and Peter Roslev. "Linking of Microorganisms to Phenanthrene Metabolism in Soil by Analysis of 13C-Labeled Cell Lipids." Applied and Environmental Microbiology 68, no. 12 (2002): 6106–13. http://dx.doi.org/10.1128/aem.68.12.6106-6113.2002.

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ABSTRACT Phenanthrene-metabolizing soil microbial communities were characterized by examining mineralization of [14C]phenanthrene, by most-probable-number (MPN) counting, by 16S-23S spacer DNA analysis of the numerically dominant, culturable phenanthrene-degrading isolates, and by examining incorporation of [13C]phenanthrene-derived carbon into sterols and polar lipid fatty acids (PLFAs). An unpolluted agricultural soil, a roadside soil diffusely polluted with polycyclic aromatic hydrocarbons (PAHs), and two highly PAH-polluted soils from industrial sites were analyzed. Microbial phenanthrene

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MILLETTE, J. A., and R. S. BROUGHTON. "MONOLITH COLUMNS FOR STUDYING ORGANIC SOIL PROFILES." Canadian Journal of Soil Science 66, no. 4 (1986): 737–42. http://dx.doi.org/10.4141/cjss86-073.

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Monolith column construction and sampling procedures were described for organic soil profiles and used to measure the variation with depth of saturated hydraulic conductivity, bulk density and fiber content. The top 0.30 m of the organic soil was more permeable, had a greater bulk density and had a greater fiber content than the soil layer between 0.60 and 0.90 m from the soil surface. These columns can be used for correlations studies between physical properties and studies of the dynamic nature of the physical properties of organic soils. Key words: Saturated hydraulic conductivity, bulk den

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Huang, Mingbin, S. Lee Barbour, Amin Elshorbagy, Julie D. Zettl, and Bing Cheng Si. "Infiltration and drainage processes in multi-layered coarse soils." Canadian Journal of Soil Science 91, no. 2 (2011): 169–83. http://dx.doi.org/10.4141/cjss09118.

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Huang, M., Barbour, S. L., Elshorbagy, A., Zettl, J. D. and Si, B. C. 2011. Infiltration and drainage processes in multi-layered coarse soils. Can. J. Soil Sci. 91: 169–183. Infiltration and drainage processes in multi-layered soils are complicated by contrasting hydraulic properties. The objective of this study was to evaluate the performances of the hysteretic and non-hysteretic models to simulate the infiltration and drainage processes from three different natural soil profiles containing as many as 20 texturally different layers. Hydraulic properties were estimated from soil textures using

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Tomer, M. D., and M. D. Tomer. "Comparing observed and simulated water storage during drainage to select hydraulic parameters for volcanic soils." Soil Research 37, no. 1 (1999): 33. http://dx.doi.org/10.1071/s98025.

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In soil-water modelling, hydraulic parameters must be chosen carefully to simulate water fluxes accurately. This study aimed to parameterise the Soil Water Infiiltration and Movement (SWIM) model for sandy volcanic soils that are irrigated with wastewater from Rotorua, New Zealand. Three plots 1·5 by 1·5 m were dyked, flooded until soils approached saturation, and then covered to prevent evaporation. Water-content measurements were taken to 1 m depth during 20 days of drainage. For each profile, this drainage process was simulated using 9 combinations of hydraulic conductivity [K(θ)] and soil

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Vann, J. D., and S. L. Houston. "Field Soil Suction Profiles for Expansive Soil." Journal of Geotechnical and Geoenvironmental Engineering 147, no. 9 (2021): 04021080. http://dx.doi.org/10.1061/(asce)gt.1943-5606.0002570.

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Müller, Claude Raoul, Johan Six, Liesa Brosens, et al. "The limited effect of deforestation on stabilized subsoil organic carbon in a subtropical catchment." SOIL 10, no. 1 (2024): 349–65. http://dx.doi.org/10.5194/soil-10-349-2024.

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Abstract. Predicting the quantity of soil organic carbon (SOC) requires understanding how different factors control the amount of SOC. Land use has a major influence on the function of the soil as a carbon sink, as shown by substantial organic carbon (OC) losses from the soil upon deforestation. However, predicting the degree to which land use change affects the OC content in soils and the depth down to which this occurs requires context-specific information related to, for example, climate, geochemistry, and land use history. In this study, 266 samples from forests and agricultural fields wer

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Varlamov, E. B., M. P. Lebedeva, N. A. Churilin, R. E. Musaelyan, and A. V. Kolesnikov. "Features of the mineralogical composition of solod and solod meadow-chestnut soil, the case of soils of the liman depression at Dzhanybek research station of the Institute of Forest Science RAS." Dokuchaev Soil Bulletin, no. 117 (December 15, 2023): 140–76. http://dx.doi.org/10.19047/0136-1694-2023-117-140-176.

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The structure of the soil cover at the territory of the clayey semidesert of the Northern Caspian Sea is represented by triparted soil complex and peculiar soils like solod. Solods are formed in relief elements that are constant for this territory – mesodepressions, which are referred to limans. Two soil profiles were studied in the bottom of the liman – solod, and on its peripheral part – solodized meadow-chestnut soil. The formation of the solod profile occurs because of periodic moistening with fresh water and systematic flooding during the snowmelt period. The second soil is in the zone of

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Demir, Sinan, Pelin Alaboz, Orhan Dengiz, Hüseyin Şenol, Kamil Yilmaz, and Oğuz Başkan. "Physico-chemical and mineralogical changes of lithic xerorthent soils on volcanic rocks under semi-arid ecological conditions." Earth Sciences Research Journal 26, no. 4 (2023): 291–301. http://dx.doi.org/10.15446/esrj.v26n4.96571.

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This study investigates the mineralogical changes and soil development processes of young soils formed on various bedrocks of volcanic origin under the same land use/land cover and climate conditions. The current study was conducted in Lithic Xerorthent soils formed on tuff, trachybasalt, and trachyandesite bedrock between Sandıklı-Şuhut districts of Afyonkarahisar. The three soil profiles excavated in the study area were classified in Entisols order based on Soil taxonomy. The primary minerals, sanidine and muscovite, and the clay minerals, smectite, kaolinite, and illite, were widely determi

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Perez-Rodriguez, JL, C. Maqueda, P. Rodriguezrubio, and MCJ Deharo. "Occurrence of talc in soils with high iron content from the south-west of Spain." Soil Research 34, no. 5 (1996): 635. http://dx.doi.org/10.1071/sr9960635.

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The mineralogy of the clay fractions of 2 soil profiles classified as an Alfic Dystric Eutrochrept (Soil I) and a Xerochreptic Haploxeralf (Soil II) has been determined. A notable feature of these soils is the presence of talc and the high iron content as goethite, hematite, lepidocrocite, and maghemite. Talc was the most abundant non-iron mineral of the clay fraction of Soil II. In Soil I, talc occurs as a residual phase from the parent material with its persistence in the profile aided by coatings of iron oxides, which inhibit further weathering. In these soils there is a high proportion of

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Desyatkin, R. V., S. N. Lessovaia, M. V. Okoneshnikova, and A. Z. Ivanova. "Cryosols from Tundra and Taiga Zones of Yakutia: Properties, Clay Mineralogy, and Problems of Classification." Eurasian Soil Science 54, no. 12 (2021): 1783–94. http://dx.doi.org/10.1134/s1064229321120048.

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Abstract— Data on major properties and clay mineralogy in the profiles of slightly differentiated Cryosols forming in cold ultracontinental climate of Yakutia are discussed. The particular objects are represented by the cryozems of tundra, forest-tundra, and northern taiga of the Anabar and Alazeya plateaus and by the palevaya (pale) soil of middle taiga in Central Yakutia. The differentiation of clay minerals in the vertical soil profiles is poorly pronounced because of the strong homogenizing impact of cryoturbation processes. The profile of pale soil displays minor differences in clay miner

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Marques, Karina PP, Rodnei Rizzo, André Carnieletto Dotto, et al. "How qualitative spectral information can improve soil profile classification?" Journal of Near Infrared Spectroscopy 27, no. 2 (2019): 156–74. http://dx.doi.org/10.1177/0967033518821965.

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Soil classification is important to organize the knowledge of soil characteristics. Spectroscopy has increased in the last years as a technique for descriptive and quantitative evaluation of soils. Thus, our objective was to assess qualitative and quantitative methods on soil classification, based on model profiles. Soils in different environments in the Roraima state, Brazil, were evaluated and represented by 16 profiles, providing 109 soil samples, which were analyzed for particle size distribution, chemical attributes and spectral measurement. Visible-near infrared spectra (350–2500 nm) of

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Dugalić, Goran, Marijana Dugalić, Ljiljana Bošković-Rakočević, and Vera Rajičić. "The values of different types of acidity of pseudogley soils in the Kraljevo basin under forest, meadow and arable land uses." Zemljiste i biljka 71, no. 2 (2022): 1–10. http://dx.doi.org/10.5937/zembilj2202076d.

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This paper presents the results of active (pH in H2O), exchangeable (pH in KCl), hydrolytic (Y1) and total acidity (T-S) in humus-accumulative (Ah, Ahp) and subsurface (Eg, Btg) horizons of Pseudogley Soils in Kraljevo Basin for 14 soil profiles excavated in forests, 16 in meadows and 24 on arable land. The results showed that acidification was weaker or more pronounced in all three most important tested horizons of Pseudogley Soils, and that the differences in the value of different forms of acidity existed among forest, meadow and arable land uses, as well as between the horizons of the same

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Tyapin, Alexander, and Nikita Antonov. "Site Response Analysis for “Side” Soil Profiles." Earthquake Engineering. Construction Safety, no. 1 (February 25, 2020): 11–17. http://dx.doi.org/10.37153/2618-9283-2020-1-11-17.

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The authors suggest a new procedure of Site Response Analysis (SRA) for the so-called “side” (or additional) soil profiles – Low Boundary (LB) and Upper Boundary (UB). Standards require the analyses of these profiles in addition to the Best Estimate profile (BE) to account for the uncertainty in the input data about soil properties. The authors suggest stopping using the same input time history for all three profiles as a control motion at the surface, because it corresponds to the different physical seismic excitations coming form the depth. This is not in linewith the ideology of Standards.

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Smith, Roger E., and Bernd Diekkrüger. "Effective Soil Water Characteristics and Ensemble Soil Water Profiles in Heterogeneous Soils." Water Resources Research 32, no. 7 (1996): 1993–2002. http://dx.doi.org/10.1029/96wr01048.

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Keith, Aidan M., Peter A. Henrys, Rebecca L. Rowe, and Niall P. McNamara. "Technical note: A bootstrapped LOESS regression approach for comparing soil depth profiles." Biogeosciences 13, no. 13 (2016): 3863–68. http://dx.doi.org/10.5194/bg-13-3863-2016.

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Abstract. Understanding the consequences of different land uses for the soil system is important to make better informed decisions based on sustainability. The ability to assess change in soil properties, throughout the soil profile, is a critical step in this process. We present an approach to examine differences in soil depth profiles between land uses using bootstrapped LOESS regressions (BLRs). This non-parametric approach is data-driven, unconstrained by distributional model parameters and provides the ability to determine significant effects of land use at specific locations down a soil

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