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Artículos de revistas sobre el tema "Soil"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 25 de julio de 2025

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1

Hamad, Asal Mahmud, and Mahmood Gazey Jassam. "A Comparative Study for the Effect of Some Petroleum Products on the Engineering Properties of Gypseous Soils." Tikrit Journal of Engineering Sciences 29, no. 3 (2022): 69. http://dx.doi.org/10.25130/tjes.29.3.7.

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Gypseous soils are considered problematic soils because the soil cavities happen during receiving the water or this type of soil and solving gypsum materials and contract in a soil volume. In this study, three types of gypseous soils are used; soil1, soil2, and soil3 with gypsum content (28.71%, 43.6%, and 54.88%) respectively, petroleum products (engine oil, fuel oil, and kerosene) are added to the soils with percentages (3%, 6%, 9%, and 12%) for each product. The result showed that specific gravity, liquid limit, optimum moisture content (O.M.C), and maximum dry density decreased with an inc

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2

Brodský, L., A. Klement, V. Penížek, R. Kodešová, and L. Borůvka. "Building soil spectral library of the Czech soils for quantitative digital soil mapping." Soil and Water Research 6, No. 4 (2011): 165–72. http://dx.doi.org/10.17221/24/2011-swr.

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&nbsp; Spectral libraries are the data archives of spectral signatures measured on natural and/or man-made materials. Here, the objective is to build a soil spectral library of the Czech soils (SSL-CZ). Further on, the overall aim is to apply diffuse reflectance spectroscopy as a tool for digital soil mapping. An inevitable part of the library is a metadata database that stores the corresponding auxiliary information on the soils: type of material (soil, parent material), sample preparation, location of the sample with geographic coordinates, soil classification, morphological features, so

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3

Aitken, RL, and PW Moody. "Interrelations between soil pH measurements in various electrolytes and soil solution pH in acidic soils." Soil Research 29, no. 4 (1991): 483. http://dx.doi.org/10.1071/sr9910483.

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Ninety soil samples (81 surface, 9 subsurface) were collected from eastern Queensland and soil pH (1:5 soi1:solution) was measured in each of deionized water (pH,), 0.01 M CaCl2, 0-002 M CaCl2 and 1 M KCl. Soil solution was extracted from each soil after incubation for 4 days at the 10 kPa matric suction moisture content, and pH (pHss) and electrical conductivity were measured. The objectives of this work were to investigate interrelationships between soil pH measurements in various electrolytes and soil solution pH in a suite of predominantly acidic soils. Although the relationships between p

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4

Poyon Kizi, Khayitova Sanobar. "SOIL SCIENCE AND SOIL TERMINOLOGY." European International Journal of Multidisciplinary Research and Management Studies 02, no. 11 (2022): 42–44. http://dx.doi.org/10.55640/eijmrms-02-11-12.

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Soil science involves the study of the formation and distribution of soil, the biological, chemical and physical properties and processes of soil and how these processes interact with wider systems to help inform environmental management, industry and sustainable development.

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5

Najafi-Ghiri, M., and A. Abtahi. "Potassium fixation in soil size fractions of arid soils." Soil and Water Research 8, No. 2 (2013): 49–55. http://dx.doi.org/10.17221/52/2012-swr.

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Amounts of potassium (K) fixed in soil fractions of 10 calcareous soils of southern Iran were measured to evaluate the contributions of different soil size fractions to K fixation. Soil particles were fractionated after dispersion of the soils with an ultrasonic probe. Potassium fixation analysis was done by addition of 1000 mg K/kg samples. Mineralogy of the size fractions was determined by X-ray diffraction. The clay fractions were dominated by smectite, chlorite, mica, and palygorskite. Potassium fixation capacities ranged from 104 to 148&nbsp;mg/kg for clay, from 102 to 155 mg/kg for s

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6

Vopravil, J., M. Janeček, and M. Tippl. "Revised soil erodibility K-factor for soils in the Czech Republic." Soil and Water Research 2, No. 1 (2008): 1–9. http://dx.doi.org/10.17221/2100-swr.

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In the territory of the Czech Republic there are more than 50% of agricultural soils exposed to water erosion; it is a very urgent problem both at present and for the future. It must be solved now when there is still something to be protected. It is rather complicated to describe the soil properties in terms of soil susceptibility to water erosion because it is a complex relation in which many factors participate. For the complex evaluation of all main factors participating in erosion origination it is possible to apply the Universal Soil Loss Equation (USLE). It consists of six factors intera

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7

Behrens, T., K. Gregor, and W. Diepenbrock. "Separation of soil and canopy reflectance signatures of Mid German agricultural soils." Plant, Soil and Environment 51, No, 7 (2011): 296–303. http://dx.doi.org/10.17221/3589-pse.

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Remote sensing can provide visual indications of crop growth during production season. In past, spectral optical estimations were well performed in the ability to be correlated with crop and soil properties but were not consistent within the whole production season. To better quantify vegetation properties gathered via remote sensing, models of soil reflectance under changing moisture conditions are needed. Signatures of reflected radiation were acquired for several Mid German agricultural soils in laboratory and field experiments. Results were evaluated at near-infrared spectral region at the

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8

Romanova, Tatyana, Aliaksandr Chervan, and Nadezhda Ivakhnenko. "The essence of soil and soil formation in accordance with soil water regime." Journal of Geography and Cartography 7, no. 2 (2024): 6271. http://dx.doi.org/10.24294/jgc.v7i2.6271.

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The obtaining of new data on the transformation of parent materials into soil and on soil as a set of essential properties is provided on the basis of previously conducted fundamental studies of soils formed on loess-like loams in Belarus (15,000 numerical indicators). The study objects are autochthonous soils of uniform granulometric texture. The basic properties without which soils cannot exist are comprehensively considered. Interpolation of factual materials is given, highlighting the essential properties of soils. Soil formation is analyzed as a natural phenomenon depending on the life ac

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9

Kodešová, R. "Miroslav Kutílek – Professor of soil science, soil physics and soil hydrology." Soil and Water Research 3, Special Issue No. 1 (2008): S5—S6. http://dx.doi.org/10.17221/1412-swr.

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10

Beylich, Anneke, Hans-Rudolf Oberholzer, Stefan Schrader, Heinrich Höper, and Berndt-Michael Wilke. "Evaluation of soil compaction effects on soil biota and soil biological processes in soils." Soil and Tillage Research 109, no. 2 (2010): 133–43. http://dx.doi.org/10.1016/j.still.2010.05.010.

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11

Nahirniak, S. V., T. A. Dontsova, A. V. Lapinsky, M. V. Tereshkov, and R. C. Singh. "Soil and soil breathing remote monitoring: A short review." Biosystems Diversity 28, no. 4 (2020): 350–56. http://dx.doi.org/10.15421/012044.

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The efficiency of agricultural use of soils depends directly on their quality indicators, which include an extended set of characteristics: from data of the environmental situation to the component composition of the soil air. Therefore, for a more complete survey of agricultural land in order to determine their qualitative indicators and subsequent application, it is necessary to carry out comprehensive monitoring while simultaneously studying the characteristics of soils and their air composition. The article is devoted to the literature analysis on the remote monitoring of soils and soil ai

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12

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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13

Liu, Man, and Guilin Han. "Distribution of soil nutrients and erodibility factor under different soil types in an erosion region of Southeast China." PeerJ 9 (June 16, 2021): e11630. http://dx.doi.org/10.7717/peerj.11630.

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Background Soil erosion can affect the distribution of soil nutrients, which restricts soil productivity. However, it is still a challenge to understand the response of soil nutrients to erosion under different soil types. Methods The distribution of soil nutrients, including soil organic carbon (SOC), soil organic nitrogen (SON), and soil major elements (expressed as Al2O3, CaO, Fe2O3, K2O, Na2O, MgO, TiO2, and SiO2), were analyzed in the profiles from yellow soils, red soils, and lateritic red soils in an erosion region of Southeast China. Soil erodibility K factor calculated on the Erosion

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14

Gerasimova, М. I., and N. B. Khitrov. "Morphological soil description for classifying soils and interpteting their genesis." Dokuchaev Soil Bulletin 86 (December 15, 2016): 8–16. http://dx.doi.org/10.19047/0136-1694-2016-86-8-16.

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15

Nam, Sun-Hwa, and Youn-Joo An. "Review of the Extraction Methods of Soil Extracts, Soil Elutriates, and Soil Suspensions for Ecotoxicity Assessments." Journal of Soil and Groundwater Environment 19, no. 3 (2014): 15–24. http://dx.doi.org/10.7857/jsge.2014.19.3.015.

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16

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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17

Baskoro, Dwi Putro Tejo, and Suria Darma Tarigan. "Soil Moisture Characteristics on Several Soil Types." Jurnal Ilmu Tanah dan Lingkungan 9, no. 2 (2007): 77–81. http://dx.doi.org/10.29244/jitl.9.2.77-81.

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Soil water availability is one of the important factors injluencing plant growth. Soil that can store more water in alonger time can support a better plant growth. This study was aimed to evaluate the dynamics of soil water of four differentsoils with different characteristics. Four soils classes are clayey textured soils-Red Yellowish Podsolik Jasinga, Clayeytextured soils-Latosol Darmaga, . Sandy Textured soil-Regosol Sindang Barang, and highly organic mater content soi/sAndosolSukamantri. The result showed that at every-suction analyzed, Andosol Sukamantri had consistently highest watercont

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18

Hussein Razzaq Nayyef. "Effect of continuous cultivation and soil texture on some soil properties." GSC Advanced Research and Reviews 13, no. 1 (2022): 077–84. http://dx.doi.org/10.30574/gscarr.2022.13.1.0271.

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The effects of soil continuous cultivation and soil texture on some of its properties, electrical conductivity, total porosity, and calcium carbonate content and soil penetration resistance. Six samples of soil material for a layer of 0-30 cm were collected from three different texture sites are Clay, Loam and Loamy Sand in Basra Governorate for three sites Abi al-Khasib, Karma and Zubair. Three of these samples represented the treatment of soil continuous cultivation, soil planted with alfalfa crop (Medicago sativa) for 7 consecutive years, and the other three samples from the same sites for

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19

Hussein, Razzaq Nayyef. "Effect of continuous cultivation and soil texture on some soil properties." GSC Advanced Research and Reviews 13, no. 1 (2022): 077–84. https://doi.org/10.5281/zenodo.7664723.

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The effects of soil continuous cultivation and soil texture on some of its properties, electrical conductivity, total porosity, and calcium carbonate content and soil penetration resistance. Six samples of soil material for a layer of 0-30 cm were collected from three different texture sites are Clay, Loam and Loamy Sand in Basra Governorate for three sites Abi al-Khasib, Karma and Zubair. Three of these samples represented the treatment of soil continuous cultivation, soil planted with alfalfa crop (Medicago sativa) for 7 consecutive years, and the other three samples from the same sites for

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20

Liu, J., C. Geng, Y. Mu, Y. Zhang, and H. Wu. "Exchange of carbonyl sulfide (COS) between the atmosphere and various soils in China." Biogeosciences Discussions 6, no. 6 (2009): 10557–82. http://dx.doi.org/10.5194/bgd-6-10557-2009.

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Abstract. Using a dynamic enclosure, the exchange fluxes of carbonyl sulfide (COS) between the atmosphere and 18 soils from 10 provinces in China were investigated. The emission or uptake of COS from the soils was highly dependent on the soil type, soil temperature, soil moisture, and atmospheric COS mixing ratio. In general, with the only exception being paddy soils, the soils in this investigation acted as sinks for atmospheric COS under wide ranges of soil temperature and soil moisture. Two intensively investigated wheat soils and one forest soil, had optimal soil temperatures for COS uptak

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21

Liu, J., C. Geng, Y. Mu, Y. Zhang, Z. Xu, and H. Wu. "Exchange of carbonyl sulfide (COS) between the atmosphere and various soils in China." Biogeosciences 7, no. 2 (2010): 753–62. http://dx.doi.org/10.5194/bg-7-753-2010.

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Abstract. Using a dynamic enclosure, the exchange rates of carbonyl sulfide (COS) between the atmosphere and 18 soils from 12 provinces in China were investigated. The emission or uptake of COS from the soils was highly dependent on the soil type, soil temperature, soil moisture, and atmospheric COS mixing ratio. In general, with the only exception being paddy soils, the soils in this investigation acted as sinks for atmospheric COS under wide ranges of soil temperature and soil moisture. Two intensively investigated wheat soils and one forest soil had optimal soil temperatures for COS uptake

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22

Mahdy, A. M. "Comparative effects of different soil amendments on amelioration of saline-sodic soils." Soil and Water Research 6, No. 4 (2011): 205–16. http://dx.doi.org/10.17221/11/2011-swr.

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&nbsp; A greenhouse experiment was conducted to test the potential of different soil amendments in saline-sodic soils reclamation; to affect the growth response of alfalfa (Medicago sativa L.) plants grown on two saline-sodic soils; and to evaluate the comparative efficiency of different soil amendments for their effects on salinity, sodicity, and pH&nbsp;levels of the soils. To achieve these objectives, two highly saline-sodic soils were selected (Abees, Typic torrifluvents and Elhammam, Typic calciorthids). Different soil amendments were used (compost, anthracite coal powder, water t

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23

Mátyás, Bence, Maritza Elizabeth Chiluisa Andrade, Nora Carmen Yandun Chida, et al. "Comparing organic versus conventional soil management on soil respiration." F1000Research 7 (March 2, 2018): 258. http://dx.doi.org/10.12688/f1000research.13852.1.

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Soil management has great potential to affect soil respiration. In this study, we investigated the effects of organic versus conventional soil management on soil respiration. We measured the main soil physical-chemical properties from conventional and organic managed soil in Ecuador. Soil respiration was determined using alkaline absorption according to Witkamp. Soil properties such as organic matter, nitrogen, and humidity, were comparable between conventional and organic soils in the present study, and in a further analysis there was no statically significant correlation with soil respiratio

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24

Abbott, Lynette. "Soil biological amendments for soil health." Open Access Government 46, no. 1 (2025): 432–33. https://doi.org/10.56367/oag-046-11552.

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Soil biological amendments for soil health Lynette Abbott and Bede Mickan from The University of Western Australia, provide insights into research on enhancing soil health using biological amendments. Healthy soils support resilient farming systems. Communities of soil organisms provide the backbone of soil health, and their abundance, diversity and functional attributes are tied to underlying soil physical and chemical characteristics. The scientific rationale for adopting agricultural practices that capture many benefits that soil organisms can contribute to ecosystem function is based on ex

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25

Wang, Yang, Ronald Amundson, and Susan Trumbore. "Radiocarbon Dating of Soil Organic Matter." Quaternary Research 45, no. 3 (1996): 282–88. http://dx.doi.org/10.1006/qres.1996.0029.

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AbstractRadiocarbon ages of soil organic matter are evaluated with a model which incorporates the dynamics of the 14C content of soil organic matter. Measured 14C ages of soil organic matter or its fractions are always younger than the true ages of soils due to continuous input of organic matter into soils. Differences in soil C dynamics due to climate or soil depth will result in significantly different 14C signatures of soil organic matter for soils of the same age. As a result, the deviation of the measured 14C age from the true age of soil formation could differ significantly among differe

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26

McKEAGUE, J. A., and G. C. TOPP. "PITFALLS IN INTERPRETATION OF SOIL DRAINAGE FROM SOIL SURVEY INFORMATION." Canadian Journal of Soil Science 66, no. 1 (1986): 37–44. http://dx.doi.org/10.4141/cjss86-004.

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Soil drainage groups assigned on the basis of soil survey information were evaluated against measured saturated hydraulic conductivity (Ksat) data for nine soils in Ontario. The drainage groups used in the drainage guide for Ontario, are based mainly on assumed relationships between soil texture and the capacity of the soil to transmit water.Measured Ksat values were incompatible with the drainage groups assigned to at least four of the nine soils. For the soils tested, there was very little relationship between texture and Ksat. Structure, including porosity, had a major influence on Ksat, an

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27

Tobiašová, E., G. Barančíková, E. Gömöryová, B. Dębska, and M. Banach-Szott. "Humus substances and soil aggregates in the soils with different texture." Soil and Water Research 13, No. 1 (2018): 44–50. http://dx.doi.org/10.17221/31/2017-swr.

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Humus substances (HS) influence the incorporation of carbon into soil aggregates in many ways. In this study the influence of HS and their fractions in the soil on the proportions of carbon (total organic, labile, non-labile) in water-resistant macro-aggregates (WSA) and differences between the amount of carbon in WSA in coarse-grained (CGS) and fine-grained (FGS) soils with dependence on the proportions of HS in the soil were determined. The experiment included three soils (Haplic Chernozem, Haplic Luvisol, Eutric Cambisol), each of them with two different soil textures (CGS, FGS) from four e

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Simakova, M., D. Rukhovitch, E. Vilchevskaya, N. Kalinina, L. Kolesnikova, and P. Koroleva. "CONTENT ADDITION TO THE STATE SOIL MAP WITH GENESIS INFORMATION OF SOIL PARENT MATERIALS AND GRANULOMETRIC COMPOSITION OF SOIL." Dokuchaev Soil Bulletin, no. 66 (December 11, 2010): 3–16. http://dx.doi.org/10.19047/0136-1694-2010-66-3-16.

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The substantiation of the first stage of works with the digital version of the State Soil Map (SSC) on elimination of differences on different sheets in the representation of genesis of soil-forming rocks, granulometric composition of soils and rocks is given. The content and characteristics of cartographic and literary sources containing information on the genesis of soil-forming rocks. Necessity of separate showing of granulometric composition of soil-forming rocks and soils on HCC is justified. Granulometric composition of soils on GPC is shown in the C horizon, which is a characteristic of

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29

Hong, Shan, Hongling Jv, Xianfu Yuan, et al. "Soil Organic Nitrogen Indirectly Enhances Pepper-Residue-Mediated Soil Disease Suppression through Manipulation of Soil Microbiome." Agronomy 12, no. 9 (2022): 2077. http://dx.doi.org/10.3390/agronomy12092077.

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Banana Fusarium wilt-suppressive soils are effective against pathogen invasion, yet soil physicochemical factors responsible for conducive or suppressive behavior have not been reported. Here, we investigated the changes in banana biomass, disease incidence (DI), soil culturable microbes and physicochemical properties by incorporating pepper and banana residues into conducive and suppressive soils. Before the incorporation of any residues, the suppressive soil significantly increased banana biomass and decreased DI compared to the conducive soil. The biomass of the suppressive soil was signifi

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Okalebo, Jane, Gary Y. Yuen, Rhae A. Drijber, Erin E. Blankenship, Cafer Eken, and John L. Lindquist. "Biological Suppression of Velvetleaf (Abutilon theophrasti) in an Eastern Nebraska Soil." Weed Science 59, no. 2 (2011): 155–61. http://dx.doi.org/10.1614/ws-d-10-00115.1.

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Weed-suppressive soils contain naturally occurring microorganisms that suppress a weed by inhibiting its growth, development, and reproductive potential. Increased knowledge of microbe–weed interactions in such soils could lead to the identification of management practices that create or enhance soil suppressiveness to weeds. Velvetleaf death and growth suppression was observed in a research field (fieldA) that was planted with high populations of velvetleaf, which may have developed via microbial mediated plant–soil feedback. Greenhouse studies were conducted with soil collected fromfieldA(so

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Krahl, Ina, David Tokarski, Jiri Kučerík, Elisabeth Schwitzky, and Christian Siewert. "New Approach to Experimental Soil Health Definition Using Thermogravimetric Fingerprinting." Agronomy 15, no. 2 (2025): 487. https://doi.org/10.3390/agronomy15020487.

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Degradation and sealing are still frequent in soil management today despite intensive research. An unsatisfactory assessment of soil key components and soil health still limits sustainable land use. For the future evaluation of soil health, soils under productive use have been compared with natural and semi-natural soils using thermogravimetric fingerprinting of air-dried soil samples. This approach has led to a more precise quantification of known relationships and the discovery of several new ones between soil components that have evolved over thousands of years of soil formation without hum

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Petkova, Zdravka. "Manure, Soil Organic Matter and Soil Fertility." Bulgarian Journal of Soil Science 1, no. 1 (2016): 92–97. https://doi.org/10.5281/zenodo.2579182.

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Higher content of soil organic matter can greatly reduce the difficulties of a good crop production system. Content of organic matter in the majority of Bulgarian soils is very low which is evident from the results of soil survey and the data from mass chemical soil tests – nearly 60% of studied soils are with humus content lower than 2.5%. The organic fertilization has direct effect on supplying humic substances in soil. On the basis of some Bulgarian soil types, it is shown the inclusion of organic fertilizers into the fraction of humic acids. A pot experiment and a small field study w

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Kotorová, Dana, Jana Jakubová, and Ladislav Kováč. "Dependence of Heavy Soil Transport Function on Soil Profile Depth." Agriculture (Polnohospodárstvo) 57, no. 2 (2011): 45–52. http://dx.doi.org/10.2478/v10207-011-0005-0.

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Dependence of Heavy Soil Transport Function on Soil Profile DepthThe aim of this work was to quantify the effect of soil profile depth on the transport function of heavy soils. Treatments were carried out between 2006 and 2009 in Milhostov. Two variants were examined : the (conventional soil tillage and long-time no-tilled variant). Soil samples were taken in spring and autumn from soil profile depth of 0.00-0.60 m from each 0.10 m. For further evaluation the average values were used. Particle size composition, bulk density, total porosity and maximum capillary capacity were determined. Conten

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Priatmadi, Bambang Joko, and Abdul Haris. "Reaksi Pemasaman Senyawa Pirit pada Tanah Rawa Pasang Surut." JOURNAL OF TROPICAL SOILS 14, no. 1 (2009): 19. http://dx.doi.org/10.5400/jts.2009.v14i1.19-24.

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Most of swamp soils in tidal land are Acid Sulfate Soils. Acid sulfate soils are the common name given to soils containing iron sulfides (pyrite). The soils are characterized by very low pH and high amount of soluble S and Fe, resulted from oxidation of pyrite when soils are drained. This study was aimed to determine acidity pattern, iron and sulfate solubility as the impact of the length time of oxidized, the effect of inhibitors application to acidity rate of sulfidic materials and top soils. The materials are: (1) soils at pyritic layer (sulfidic materials) and (2) soils at 0 – 20 cm from s

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McCracken, Ralph J. "Soils, Soil Scientists, and Civilization." Soil Science Society of America Journal 51, no. 6 (1987): 1395–400. http://dx.doi.org/10.2136/sssaj1987.03615995005100060001x.

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36

Koyluoglu, U. "Soil mechanics for unsaturated soils." Soil Dynamics and Earthquake Engineering 12, no. 7 (1993): 449–50. http://dx.doi.org/10.1016/0267-7261(93)90011-f.

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37

Bertsch, Floria. "Soil fertility of tropical soils." Soil and Tillage Research 37, no. 2-3 (1996): 208–9. http://dx.doi.org/10.1016/0167-1987(96)85125-7.

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Herrmann, Dustin L., Laura A. Schifman, and William D. Shuster. "Widespread loss of intermediate soil horizons in urban landscapes." Proceedings of the National Academy of Sciences 115, no. 26 (2018): 6751–55. http://dx.doi.org/10.1073/pnas.1800305115.

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Soils support terrestrial ecosystem function and therefore are critical urban infrastructure for generating ecosystem services. Urbanization processes modify ecosystem function by changing the layers of soils identified as soil horizons. Soil horizons are integrative proxies for suites of soil properties and as such can be used as an observable unit to track modifications within soil profiles. Here, in an analysis of 11 cities representing 10 of the 12 soil orders, we show that urban soils have ∼50% fewer soil horizons than preurban soils. Specifically, B horizons were much less common in urba

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K K, Greena, Keerthana Jayarajan, Vinayaka Hegde, and Narendra Lakpale. "Impact of Soil Contents on Survival and Virulence of Ganoderma gibbosum Causing Basal Stem Rot in Coconut." Journal of Experimental Agriculture International 47, no. 3 (2025): 60–68. https://doi.org/10.9734/jeai/2025/v47i33316.

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Basal stem rot caused by Ganoderma spp. is an important disease responsible for severe yield losses in coconut. As a soil-borne pathogen, Ganoderma can persist in soil for longer periods, and its survival and virulence are significantly affected by soil conditions. Soil moisture levels such as 20%, 40%, 60%, 80% of field capacity, field capacity level and flooded conditions were evaluated for their effects on survival and virulence of Ganoderma gibbosum. The pathogen was able to survive and cause disease at all soil moisture levels tested, with lower moisture levels being more favorable. Compl

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40

Sierra, C. A., M. Müller, and S. E. Trumbore. "Modeling radiocarbon dynamics in soils: SoilR version 1.1." Geoscientific Model Development 7, no. 5 (2014): 1919–31. http://dx.doi.org/10.5194/gmd-7-1919-2014.

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Abstract. Radiocarbon is an important tracer of the global carbon cycle that helps to understand carbon dynamics in soils. It is useful to estimate rates of organic matter cycling as well as the mean residence or transit time of carbon in soils. We included a set of functions to model the fate of radiocarbon in soil organic matter within the SoilR package for the R environment for computing. Here we present the main system equations and functions to calculate the transfer and release of radiocarbon from different soil organic matter pools. Similarly, we present functions to calculate the mean

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41

Sierra, C. A., M. Müller, and S. E. Trumbore. "Modeling radiocarbon dynamics in soils: SoilR version 1.1." Geoscientific Model Development Discussions 7, no. 3 (2014): 3161–92. http://dx.doi.org/10.5194/gmdd-7-3161-2014.

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Abstract. Radiocarbon is an important tracer of the global carbon cycle that helps to understand carbon dynamics in soils. It is useful to estimate rates of organic matter cycling as well as the mean residence or transit time of carbon in soils. We included a set of functions to model the fate of radiocarbon in soil organic matter within the SoilR package for the R environment for computing. Here we present the main system equations and functions to calculate the transfer and release of radiocarbon from different soil organic matter pools. Similarly, we present functions to calculate the mean

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42

Mwiti, Frankline M., Ayub N. Gitau, and Duncan O. Mbuge. "Edaphic Response and Behavior of Agricultural Soils to Mechanical Perturbation in Tillage." AgriEngineering 4, no. 2 (2022): 335–55. http://dx.doi.org/10.3390/agriengineering4020023.

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Mechanical perturbation constrains edaphic functionality of arable soils in tillage. Seasonal soil tool interactions disrupt the pristine bio-physio-mechanical characteristics of agricultural soils and crop-oriented ecological functions. They interfere with the natural balancing of nutrient cycles, soil carbon, and diverse organic matter that supports soil ecosystem interactions with crop rooting. We review soil working in tillage, associated mechanistic perturbations, and the edaphic response of affected soil properties towards cropping characteristics and behavior as soil working tools evolv

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43

Sofo, Adriano, Alba Nicoletta Mininni, and Patrizia Ricciuti. "Soil Macrofauna: A key Factor for Increasing Soil Fertility and Promoting Sustainable Soil Use in Fruit Orchard Agrosystems." Agronomy 10, no. 4 (2020): 456. http://dx.doi.org/10.3390/agronomy10040456.

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Soils and crops in orchard agrosystems are particularly vulnerable to climate change and environmental stresses. In many orchard soils, soil biodiversity and the ecosystem services it provides are under threat from a range of natural and manmade drivers. In this scenario, sustainable soil use aimed at increasing soil organic matter (SOM) and SOM-related benefits, in terms of soil quality and fertility, plays a crucial role. The role of soil macrofaunal organisms as colonizers, comminutors and engineers within soils, together with their interactions with microorganisms, can contribute to the lo

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44

Ananko, T. V., M. I. Gerasimova, and N. V. Savitskaya. "Soil maps of cities for the unified digital model of the soil cover of Russia." Dokuchaev Soil Bulletin, no. 121 (December 20, 2024): 200–240. https://doi.org/10.19047/0136-1694-2024-121-200-240.

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The soil cover of cities and towns within their administrative boundaries is composed of soils, more or less modified by the urban environment along with native, agricultural soils and non-soils. For preserving this diversity when introducing these new objects to the unified digital model of the soil cover of Russia, soil maps of 10 “test” cities have been compiled. The cities are located in several natural zones, and are intermediate in terms of their population. Mapping was performed by means of detailed purposeful deciphering, data on mapping units on the original soil map, and recent syste

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45

Hossain, M. S., A. S. M. Z. Islam, M. G. Islam, D. Kumar, M. H. Mahmud, and D. K. Mahato. "Effects of cyanobacteria on soil properties in forest and cultivated lands of Madhupur tract." Bangladesh Journal of Agriculture 48, no. 1 (2023): 112–22. http://dx.doi.org/10.3329/bjagri.v48i1.66769.

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A laboratory experiment was conducted at the Department of Soil Science of Bangladesh Agricultural University, Mymensingh to assess the effect of cyanobacteria on soil properties of cultivated and forest lands of Madhupur Tract. The population of cyanobacteria in two soils from Madhupur and one fromfrom BAU farm was counted followed by their identification up to genera level by fluorescence microscope. A marked variation was observed in cyanobacterial population among the soils: 27.8x105 g-1 in BAU farm soil, 2.70x105 g-1 in Madhupur cultivated soil and 1.62x105 g-1 in Madhupur forest soil. A

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46

Taraqqi-A-Kamal, A., Christopher J. Atkinson, Aimal Khan, et al. "Biochar remediation of soil: linking biochar production with function in heavy metal contaminated soils." Plant, Soil and Environment 67, No. 4 (2021): 183–201. http://dx.doi.org/10.17221/544/2020-pse.

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The focus of this study is on the soil physicochemical, biological, and microbiological processes altered by biochar application to heavy metal (HM) contaminated soils. The aim is to highlight agronomical and environmental issues by which the restorative capacity of biochar might be developed. Literature shows biochar can induce soil remediation, however, it is unclear how soil processes are linked mechanistically to biochar production and if these processes can be manipulated to enhance soil remediation. The literature often fails to contribute to an improved understanding of the mechanisms b

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47

Lambie, S. M., L. A. Schipper, M. R. Balks, and W. T. Baisden. "Solubilisation of soil carbon following treatment with cow urine under laboratory conditions." Soil Research 50, no. 1 (2012): 50. http://dx.doi.org/10.1071/sr11195.

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There have been reported losses of soil carbon (C) under intensively grazed pastures, and soil C solubilisation following cow urine deposition was identified as a possible mechanism. We measured potential soil C solubilisation in pasture and plantation pine soils following treatment of soil with cow urine. Soils from five paired pasture and pine sites were collected. Adsorption of urine-C and desorption of soil C was determined by shaking air-dried soil with cow urine for 4 h at 4°C, decanting the urine, and then extracting the soil with water. Soil C solubilisation was the difference between

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48

Gwon, Yeseul, Seong Ryeol Kim, and Eun Jung Kim. "Effect of Soil Washing Using Oxalic Acid on Arsenic Speciation and Bioaccessibility in Soils." Journal of Korean Society of Environmental Engineers 42, no. 4 (2020): 218–27. http://dx.doi.org/10.4491/ksee.2020.42.4.218.

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Objectives : Soil washing process has been widely applied for remediation of contaminated soil with arsenic and heavy metals in Korea. The application of soil washing could change physical and chemical properties of soils and metal speciation in soil, which could affect the risk to the environment and human health. Thus, it is necessary to evaluate metal and arsenic speciation and their mobility in soil after soil remediation in order to evaluate effectiveness of soil remediation process and manage soil quality effectively. The purpose of this study is to evaluate the risk of arsenic in soil a

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Donerian, Larisa G., M. A. Vodianova, and Zh E. Tarasova. "Microscopic soil fungi - bioindicators organisms contaminated soil." Hygiene and sanitation 95, no. 9 (2019): 891–94. http://dx.doi.org/10.18821/0016-9900-2016-95-9-891-894.

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In the paper there are considered methodological issues for the evaluation of soil biota in terms of oil pollution. Experimental studies have shown that under the exposure of a various levels of oil pollution meeting certain gradations of the state and optimal alteration in microbocenosis in sod-podzolic soils, there is occurred a transformation of structure of the complex of micromycetes and the accumulation of toxic species, hardly typical for podzolic soils - primarily represantatives of the genus Aspergillus (A.niger and A. versicolor), Paecilomyces (P.variotii Bainer), Trichoderma (T.hama

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50

He, Shi, Xinbao Yu, Aritra Banerjee, and Anand J. Puppala. "Expansive Soil Treatment with Liquid Ionic Soil Stabilizer." Transportation Research Record: Journal of the Transportation Research Board 2672, no. 52 (2018): 185–94. http://dx.doi.org/10.1177/0361198118792996.

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Calcium-based stabilizers such as lime and cement control swell and shrinkage behavior and enhance strength properties for expansive soils through the formation of pozzolanic components. However, sulfate-bearing subgrade soils stabilized with calcium-based stabilizers might cause excessive swelling and shrinkage due to the formation of highly expansive minerals like ettringite and thaumasite. In this paper, one liquid ionic soil stabilizer (LISS) was evaluated as an alternative stabilizer used to control swelling and shrinkage behavior of expansive soils. A comprehensive laboratory experiment

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