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Journal articles on the topic 'Chemical properties of soils'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Osmanova, S. "Study of agrochemical and physical-chemical properties gray-brown soils of the Karabakh Plain." Bulletin of Science and Practice 5, no. 2 (2019): 135–41. https://doi.org/10.33619/2414-2948/39/18.

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Research is conducted at the Terter Regional Experimental Station of the Research Institute for Agriculture. In order to improve the fertility of gray-brown soils and obtain high-quality crop yields, we studied the agrochemical and physical–chemical properties of the experimental plot. Thus, the analysis of gray–brown soils showed that, according to the gradation adopted in Azerbaijan, these soils are poorly supplied with nutrients, in an easily digestible form of plants. Therefore, it is necessary to make in these soils together organic and mineral fertilizers.

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2

Ejikeme, CS, and IA Nweke. "Physical and Chemical Characterisation of Soils of Anambra State College of Agriculture, Mgbakwu." Greener Journal of Agricultural Sciences 6, no. 10 (2016): 326–30. https://doi.org/10.15580/GJAS.2016.10.102116189.

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The physical and chemical characterisation of Anambra State College of Agriculture at Mgbakwu, Awka North Local Government Area was conducted using composite samples from two representative profile pits. Six soil samples were collected from various depths, dried, sieved with 2 mm sieve and subjected to a routine soil analysis and the characteristics of the soils described. The findings from the study shows that the texture of the soils varied from loamy sand to sand clay loam, with the total sand ranging from 640 – 840 gkg<sup>-1</sup>, clay from 70 to 290 gkg<sup>-1</sup> and silt

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3

Ngole-Jeme, Veronica M. "Fire-Induced Changes in Soil and Implications on Soil Sorption Capacity and Remediation Methods." Applied Sciences 9, no. 17 (2019): 3447. http://dx.doi.org/10.3390/app9173447.

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Vegetation changes caused by fire events are visible instantly but changes in soils are less apparent, and could be short-term, long-term or permanent in nature. Research has shown that soils undergo changes in their mineralogical, geochemical, physico-chemical and biological properties after a fire event that may vary depending on the intensity and duration of the fire, and the properties of the soil. Some of these properties make significant contributions towards soil’s ability to sorb contaminants. Changes in these properties could affect soil sorption complex and the effectiveness of remed

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4

Chakravarty, Manashi, Dhruba Jyoti Nath, and Utpal Jyoti Sarma. "Physicochemical Properties of Long-term Rice-fallow Cultivation and Uncultivated Soils of Nalbari, Assam, India." International Journal of Plant & Soil Science 35, no. 20 (2023): 1362–69. http://dx.doi.org/10.9734/ijpss/2023/v35i203936.

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We aimed to assess the changes in physical and chemical properties of soils due to long-term continuous cultivation of rice under a rice –fallow system and that was compared with adjacent uncultivated soils. Soil samples were collected from respective sites and some soil physical (bulk density; BD, water holding capacity; WHC, and moisture content; MC) and chemical properties (pH, electrical conductivity; EC, organic carbon; OC, available N, available P, available K, exchangeable Ca, exchangeable Mg, available S, available Zn and available B) analyzed were evaluated using descriptive statistic

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5

Semashchuk, Roman. "Morphogenetic features of properties of initial carbonate soils." Visnyk of the Lviv University. Series Geography, no. 44 (November 28, 2013): 324–32. http://dx.doi.org/10.30970/vgg.2013.44.1240.

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Results of studies of key morphological, physical-chemical and chemical properties of underdeveloped carbonate soils, which are influenced by woody, herbaceous and agricultural plant formations on eluvium-delluvium carbonate rocks, were given. Key words: initial soils, morphological properties, physical and chemical properties, gross chemical analysis.

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6

Kholopov, Yu V., D. D. Khaydapova, A. B. Novakovsky, and E. M. Lapteva. "Rheological Properties of Boreal Semihydromorphic Soils: Relationship with Physico-Chemical Properties and Temperature Conditions." Počvovedenie, no. 6 (December 19, 2024): 813–30. https://doi.org/10.31857/s0032180x24060036.

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The results of rheological studies of soils on the modular rheometer MCR 302 (Anton Paar, Austria) by the amplitude sweep method (oscillatory method) are considered. Study objects are represented by semi-hydromorphic soils of taiga zone in the Northeast of European part of Russia. We found that the strongest interactions between soil particles are developed in the horizons with high content of mobile humus compounds (fulvic acids) and Al/Fe-humus complexes (ELhi,g–ELg–CRM horizons). Increased structural durability is due to the cementation of soil particles resulting from the intake of humus s

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7

Mirosław, Kobierski, Bartkowiak Agata, Lemanowic Joanna, and Piekarczyk Mariusz. "Impact of poultry manure fertilization on chemical and biochemical properties of soils." Plant, Soil and Environment 63, No. 12 (2017): 558–63. http://dx.doi.org/10.17221/668/2017-pse.

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The aim of the research was to evaluate the chemical properties and enzymatic activity of arable soils which, for the period of 10 years, were fertilized with poultry manure (PM). Fertilization with PM resulted in a significant increase in the content of organic carbon and total exchangeable bases in soil. The application of that fertilizer increased the pH value. Fertilization with PM also slightly increased the total content of copper, manganese and iron. There was found, however, a significant increase in the total content of Zn. The annual application of 10 tonnes of PM significantly incre

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8

Jakovljevic, Miodrag, Mirjana Kresovic, Srdjan Blagojevic, and Svetlana Antic-Mladenovic. "Some negative chemical properties of acid soils." Journal of the Serbian Chemical Society 70, no. 5 (2005): 765–74. http://dx.doi.org/10.2298/jsc0505765j.

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Some important chemical properties of various samples of two types of acid soil from Western Serbia (pseudogley and brown forest) are presented in this paper. Mobile Al was found in elevated and toxic quantities (10?30 mg/100 g) in the more acid samples of pseudogley soil. All samples of brown forest soil were very acid and the quantities of mobile Al were in the range from 12.8 to 90.0 mg/100 g. In a selected number of pseudogley soils, the influence of pH and other soil properties on the mineralization and nitrification processes was investigated. Strong inhibition of nitrification at low so

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9

Ivanov, Yu A., I. M. Maloshtan, I. V. Kulik, and V. V. Pavlyuchenko. "Immobilization of 90Sr and 137Cs in soils, contrasted by properties." Nuclear Physics and Atomic Energy 15, no. 3 (2014): 277–84. https://doi.org/10.15407/jnpae2014.03.277.

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Assessments of 90Sr and 137Cs immobilization in 15 soils, contrasted by their physical and chemical properties, and granulometric composition have been analyzed. Radionuclides have been introduced into soils in the initial water-soluble form. Sequential extraction of soils has been carried out after half and 22 years of radionuclide depositing in soils. Principal differences of radionuclide speciation in soils, significantly different intensity of 90Sr and 137Cs immobilization in soils, as well as the role of soils physical and chemical properties, and granulometric composition are discussed.

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10

Zawierucha, Elżbieta, Monika Skowrońska, and Marcin Zawierucha. "Chemical and Biological Properties of Agricultural Soils Located along Communication Routes." Agriculture 12, no. 12 (2022): 1990. http://dx.doi.org/10.3390/agriculture12121990.

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The aim of the study was to assess the quality of agricultural soils, which accumulate additional amounts of heavy metals from fertilization and modify their bioavailability, with the use of interdependencies between their biological and chemical properties conditioned by the distance from communication routes. Our results indicated that heavy metals had an impact on enzyme activity in soils and their accumulation was significantly related to the distance from the edge of the road, location of sampling sites, date of soil sampling, and years of research. It was found that the greatest amounts

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11

Krzyżaniak, M., and J. Lemanowicz. "Enzymatic activity of the Kuyavia Mollic Gleysols (Poland) against their chemical properties ." Plant, Soil and Environment 59, No. 8 (2013): 359–65. http://dx.doi.org/10.17221/211/2013-pse.

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The research results have shown that the enzyme pH index (0.49&ndash;0.83) confirmed the neutral or alkaline nature of the soils. Neither the changes in the content of available phosphorus nor in the activity of dehydrogenases, catalase, alkaline and acid phosphatase in soil were due to the factors triggering soil salinity; they were a result of the naturally high content of carbon of organic compounds, which was statistically verified with the analysis of correlation between the parameters. There were recorded highly significant values of the coefficients of correlation between the conten

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12

Popovych, Vasyl, Kateryna Stepova, Andriy Voloshchyshyn, and Pavlo Bosak. "Physico-Chemical Properties of Soils in Lviv Volyn Coal Basin Area." E3S Web of Conferences 105 (2019): 02002. http://dx.doi.org/10.1051/e3sconf/201910502002.

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The results of the research showed that hydromorphous soils prevail on the territories adjoined to waste heaps. Swampy meadow and sod soils were defined. During investigation of swampy meadow soils it was determined that the soil is humused at a considerable depth. The soils are saturated with the bases. According to granulometric texture it is sandy loam soils, but with depth go to the middle loamy soils. The analysis for labile forms of heavy metals showed that in these soils the content of investigated heavy metals does not exceed the maximum allowable concentrations, except for lead. The a

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13

Crisan, Vlad Emil, Lucian Constantin Dinca, and Sorin Stefan Deca. "Analysis of Chemical Properties of Forest Soils from Bacau County." Revista de Chimie 71, no. 4 (2020): 81–86. http://dx.doi.org/10.37358/rc.20.4.8045.

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State forests are analyzed periodically, once every 10 years. This includes an analysis of forest soils. The present paperdescribes and interprets the chemical properties of forest soils from Bacau County focusing on the period 1983-2015. As such, 823 soil profiles and 2435 pedogenetic horizons were analysed taking into consideration the soil type, pH, humus content, nitrogen content, base saturation degree and the total cation exchange capacity. The most widespread types of soils are: eutriccambisol, luvisol, preluvisoland dystriccambisol. The dystriccambisols from Bacau County are strongly a

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14

MOHAMAD MAIDIN, SITI NUR ANISA, JEPHTE SOMPUD, ISMAIL ABD RAHIM, MOHD SANI SARJADI, and BABA MUSTA. "Physico-Chemical Properties and Mineral Identification of Salt Licks Soil in Segaliud Lokan Forest Reserve." Borneo Journal of Resource Science and Technology 14, no. 2 (2024): 118–34. https://doi.org/10.33736/bjrst.6355.2024.

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This study intended to describe the physicochemical and mineralogical properties of salt licks discovered in Segaliud Lokan Forest Reserve. The salt licks in this forest reported to be visited and used by wildlifes via camera trap studies. In order to understand this wildlife’s behavior, the physicochemical and mineralogical properties of the salt lick especially the salt lick soil are important to determine the cause of the wildlife visitation. Five salt licks area as well as controlled soils were selected. Water and rock samples were also collected for the comparison study. The physical char

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15

Cobo, Vidal Yakelin, Baró Elio Angarica, Gutiérrez George Martín, Gutierrez Adrián Serrano, Gómez Juan Alejandro Villazón, and Fajardo Alegna Rodríguez. "Chemical Properties that Determine Boron Availability in Sugar Cane Soils." Agrisost 25, no. 2 (2019): 1–5. https://doi.org/10.5281/zenodo.10014788.

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<strong>Context: </strong>Several factors are limiting the behavior and dynamics of boron (B) in the soil. Few results on assimilable B contents in the soil and its relation to other chemical properties have been published.<strong>Objective:</strong> To determine the contents of assimilable B and the chemical properties that condition its availability in three of the main soil types where sugar cane is cultivated.<strong>Methods:</strong> The samples were taken at random from the surface (0-20 cm) of three of the main soil types where sugar cane is cultivated in Cuba. Soil assimilable B w

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16

Hristov, Biser. "Physico-Chemical Properties of Regosols in Bulgaria." Bulgarian Journal of Soil Science 1, no. 2 (2016): 104–11. https://doi.org/10.5281/zenodo.2579956.

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The paper deals with physico-chemical properties of Regosols in Bulgaria. Ten soil profiles are studied in North and South part of the country. These soils are spread mainly on unconsolidated rocks (regolith), slopes and eroded terrains in semi-arid areas. Sediments in these areas are manly alkaline with good sorption capacity. Regosols are moderately acidic to slightly alkaline soils. Exchangeable Ca2+ is almost equal to the soil cation exchange capacity. The amount of exchangeable Ca2+ is between 8 to 26 mequ/100g. Regosols have high base saturation from 75 to 100 %.

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17

Late, Sabari Biswas, Ghoshala Surajit, S. Dedalal S., and C. Lahiri S. "Engineering and physico-chemical properties of soils of deltaic region of West Bengal. Part-II : Physico-chemical and agricultural properties of soils and attempts for correlation with engineering properties." Journal of Indian Chemical Society Vol. 86, Jun 2009 (2009): 605–12. https://doi.org/10.5281/zenodo.5811775.

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Department of Chemistry, Kalyani University, Kalyani-741 235, West Bengal, India  Soil Mechanis Section, River Research Institute, West Bengal, P.O. HRRI, Nadia, West Bengal, India Emeritus Fellow, AICTE, Kalyani Govt. Engineering College, Kalyani-741 235. West Bengal, India <em>E-mail</em> : sujitclahiri @yahoo.com <em>Manuscript received 12 October 2007, revised 27 February 2009, accepted 17 March 2009</em>   Index and engineering properties (like moisture content, liquid limit, plastic limit, plasticity etc.) of soils of deltaic region of West Bengal were studied and reported

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18

Olimaxon, Ergasheva, Paxradinova Nargiza, and Gafurova Lazizakhon. "CHEMICAL AND BIOLOGICAL PROPERTIES OF IRRIGATED SIEROZEM-MEADOW SOILS." Multidisciplinary Journal of Science and Technology 4, no. 1 (2024): 86–91. https://doi.org/10.5281/zenodo.10511711.

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The agrochemical, chemical, agrophysical, and biological activity of the irrigated sierozem-meadow soils in the conditions of the Khavas district of the Syrdarya region was comprehensively studied. Soils are of varying degrees of salinity, and their content of ammonifiers, spore formers, actinomycetes and nitrogen fixers has been determined according to the salinity level and types. In the conditions of irrigated sierozem-meadow soils, changes in biological activity were observed in winter wheat and repeated mash crop fields according to options, and the number of soil ammonifiers, nitrogen fi

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19

S., Ghoshal, S. Dedalal S., and C. Lahiri S. "Physico-chemical properties of soils of West Bengal mainly from non-deltaic region." Journal of Indian Chemical Society Vol. 82, Jun 2005 (2005): 511–16. https://doi.org/10.5281/zenodo.5830529.

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Department of Chemistry, Kalyani University, Kalyani-741 235, India <em>E-mail</em> : sujitclahiri @yahoo.com Research Officer, Soil Mechanics, River Research Institute, W.B., P.O. HRRI, Nadia, India <em>Manuscript received 3 December 2003, revised 10 November 2004, accepted 14 February 2005</em> Soils from different locations of West Bengal from non-deltaic region were collected. The physico-chemical properties of soils like fine contents, moisture, pH, EC, exchangeable cations (K<sup>+</sup>, Na<sup>+</sup>, Ca<sup>2+</sup>, Mg<sup>2+</sup>) and less easily available cations were determined.

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20

Kurvantaev, Rakhmon, Nodira Khakimova, and Bobirjon Vafoev. "Chemical properties of Zarafshon lower and middle flow soils." E3S Web of Conferences 389 (2023): 04015. http://dx.doi.org/10.1051/e3sconf/202338904015.

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The article describes the chemical composition of newly irrigated, newly developed sandy-desert, old-irrigated alluvial-meadow, newly-irrigated gray-brown-meadow, gray-earth-meadow soils, common in the lower and middle reaches of the Zarafshan River, describes the decrease in the amount of nutrients in the soil under the influence of anthropogenic factors. In arable and subarable layers of old irrigated meadow-alluvial soils, the amount of humus is 0.859-0.971% and 0.715-0.894%, while in newly irrigated gray brown-meadow soils it is 0.891-0.750%. In irrigated and newly developed desert sandy a

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21

Quesada, C. A., J. Lloyd, M. Schwarz, et al. "Chemical and physical properties of Amazon forest soils in relation to their genesis." Biogeosciences Discussions 6, no. 2 (2009): 3923–92. http://dx.doi.org/10.5194/bgd-6-3923-2009.

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Abstract. Soil samples were collected in six South American countries in a total of 71 different 1 ha forest plots across the Amazon Basin as part of the RAINFOR project. They were analysed for total and exchangeable cations, C, N, pH with various P fractions also determined. Physical properties were also examined and an index of soil physical quality proposed. A diverse range of soils was found. For the western areas near the Andean cordillera and the southern and northern fringes, soils tend to be distributed among the lower pedogenetic levels, while the central and eastern areas of Amazonia

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22

Gaber, E. I., A. S. EI-Hassanin, H. H. Hassona, and A. M. Khalifa. "CHEMICAL AND MINERALOGICAL PROPERTIES OF SOME TOSHKA SOILS." Journal of Soil Sciences and Agricultural Engineering 30, no. 4 (2005): 2293–313. http://dx.doi.org/10.21608/jssae.2005.227507.

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23

Bergseth, Harald, and Alhaji Sheilkh Jeng. "Chemical and Mineralogical Properties of Some Gambian Soils." Acta Agriculturae Scandinavica 35, no. 3 (1985): 255–64. http://dx.doi.org/10.1080/00015128509435781.

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24

Lee, Cho-Rong, Seung-Gil Hong, Sang-Beom Lee, et al. "Physico-Chemical Properties of Organically Cultivated Upland Soils." Korean Journal of Organic Agricultue 23, no. 4 (2015): 875–86. http://dx.doi.org/10.11625/kjoa.2015.23.4.875.

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25

Polyakov, Vyacheslav, Alina Petrova, Alexander Kozlov, and Evgeny Abakumov. "Toxicological state and chemical properties of soils in urbanized ecosystems of Murmansk." Czech Polar Reports 8, no. 2 (2018): 230–42. http://dx.doi.org/10.5817/cpr2018-2-19.

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Nowadays, active urbanization directly affects to the transformation of natural ecosystems in all natural zones of Russian Federation. First of all, soils of the cities are exposed to undergoing to intensive transformation. With this transformation, natural soils change to urban and “urbo-natural soils”. Arctic ecosystems are most susceptible to anthropogenic influence because they have a low regeneration and restoration ability. Urban soils demonstrate numerous and various processes of transformation and migration of substances, which are the most important links in the biogeochemical cycles,

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26

Malinowski, Ryszard, Dariusz Paprota, and Marcin Mielczarek. "Chemical properties of selected soils of the Ina Valley near Sławęcin village." Ochrona Srodowiska i Zasobów Naturalnych 27, no. 2 (2016): 23–31. http://dx.doi.org/10.1515/oszn-2016-0012.

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Abstract The research area is located in the Ina Valley of the West Pomeranian Voivods hip, along the border between two counties Choszczno and Stargard. The majority of this area is covered by the largest wetland in Western Pomerania, which is under legal protection. The aim of the study was to identify chemical properties and typological variability of organic soils of the Ina Valley. On the basis of field studies, four sites that were characterised by the main soil types occurring on the study area were designated. By the river bed, a narrow strip of alluvial, clay-organic sediments was fou

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27

N.B.Raupova, Dj. Djuraev. "ANALYSIS OF AGRICULTURAL CHEMICAL PROPERTIES OF WESTERN TYANSHAN MOUNTAIN SOIL." JOURNAL OF AGRICULTURE & HORTICULTURE 2, no. 12 (2022): 27–31. https://doi.org/10.5281/zenodo.7475679.

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Today, as a result of global climate change, the loss of one of the main indicators of soil fertility-humus, namely, dehumification, leads to an acceleration of processes such as a decrease in fertility, erosion, and desertification. According to the FAO international organization, about 33% of the world's soils are subject to degradation to varying degrees. The main environmental problem of nature management and the effectiveness of biological resources is soil degradation. Along with other soils of the continent, soils of Uzbekistan are also subject to degradation.

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28

Surajit, Ghoshal, S. Dedalal S., and C. Lahiri S. "Comparative study on the geographical, physical and engineering properties of soils of West Beneal. Part-III (Engineering properties of soils of West Bengal excluding North Bengal and general conclusions)." Journal of Indian Chemical Society Vol. 86, Aug 2009 (2009): 791–801. https://doi.org/10.5281/zenodo.5814730.

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Department of Chemistry. Kalyani University, Kalyam-741 235. West Bengal, India Soil Mechanics Section. River Research Institute, West Bengal, P O HRRI, Nadia, West Bengal, India Research Advisor. Central Forensic Science Laboratory, 30, Gorachand Road. Kolkata-700 014, India <em>E-mail</em> : sujitclahiri@yahoo com <em>Manuscript received 14 July 2008. revised 27 February 2009, accepted 17 March 2009</em> In a series of Paper (I-III), attempts have been made to correlate the geographical characteristics, physicochemical and engineering properties of soils of West Bengal. All the properti

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29

Guo, Qiushi. "Methods and Characteristics of Soil Microbial Detection in Plantation Forests in North China." BIO Web of Conferences 142 (2024): 02006. https://doi.org/10.1051/bioconf/202414202006.

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Exploring the changes in microbial characteristics of soils in North China's plantation forests and the soil indicator measurement methods commonly used today can provide a certain degree of understanding of the current status of soils in North China's plantation forests. This study collected information on forest soil microbial laboratory testing methods and conducted mathematical statistics to get the current technical hotspots and development trends of microbial testing of forestry soils. Also organized overview of soil physicochemical properties and microbiological indicators of plantation

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30

Di Sante, Marta, Evelina Fratalocchi, Francesco Mazzieri, Bruno Di Buò, and Tim Länsivaara. "Comparative Analysis of Physico-Chemical and Potassium Sorption Properties of Sensitive Clays." Minerals 14, no. 12 (2024): 1273. https://doi.org/10.3390/min14121273.

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The paper analyses physico-chemical and geotechnical characteristics of four Scandinavian sensitive soils formed under different environmental depositional conditions, with the main aims to contribute to the knowledge of sensitive soils and assess the potassium sorption capacity among the investigated soils, as a basic characteristic to evaluate the effectiveness of treatment with KCl and to analyse potassium migration in such soils. The results show that, although the chemical composition of the four soils is very similar, their sensitivity is significantly different. The correlation from lit

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31

Bova, O. V. "Physico-chemical and chemical properties of chernozems of the Pselsko-Vorskla interfluve of the Sumy region." Prirodničì nauki 17, no. 1 (2020): 110–13. https://doi.org/10.5281/zenodo.4482106.

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The article presents the results of field and chemical-analytical studies of chernozem soils of the forest-steppe of Sumy region. The main physicochemical parameters of soils (aqueous extracts pH, total humus, amount of absorbed bases, hydrolytic acidity, absorption capacity), particle size distribution and composition of water extract ions were determined. Their distribution in the soil profile was analyzed.

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32

Quesada, C. A., J. Lloyd, M. Schwarz, et al. "Variations in chemical and physical properties of Amazon forest soils in relation to their genesis." Biogeosciences 7, no. 5 (2010): 1515–41. http://dx.doi.org/10.5194/bg-7-1515-2010.

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Abstract. Soil samples were collected in six South American countries in a total of 71 different 1 ha forest plots across the Amazon Basin as part of the RAINFOR project. They were analysed for total and exchangeable cations, C, N, pH with various P fractions also determined. Physical properties were also examined and an index of soil physical quality proposed. A diverse range of soils was found. For the western areas near the Andean cordillera and the southern and northern fringes, soils tend to be distributed among the lower pedogenetic levels, while the central and eastern areas of Amazonia

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33

Strawn, Daniel G. "Sorption Mechanisms of Chemicals in Soils." Soil Systems 5, no. 1 (2021): 13. http://dx.doi.org/10.3390/soilsystems5010013.

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Sorption of chemicals onto soil particle surfaces is an important process controlling their availability for uptake by organisms and loss from soils to ground and surface waters. The mechanisms of chemical sorption are inner- and outer-sphere adsorption and precipitation onto mineral surfaces. Factors that determine the sorption behavior are properties of soil mineral and organic matter surfaces and properties of the sorbing chemicals (including valence, electron configuration, and hydrophobicity). Because soils are complex heterogeneous mixtures, measuring sorption mechanisms is challenging;

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34

Abreu Jr., Cássio Hamilton, Takashi Muraoka, and André Fernando Lavorante. "Relationship between acidity and chemical properties of brazilian soils." Scientia Agricola 60, no. 2 (2003): 337–43. http://dx.doi.org/10.1590/s0103-90162003000200019.

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In soils of tropical climate regions the high acidity and the presence of exchangeable aluminum (Al3+), associated to low fertility, are the main restrainting factors for agricultural production. A laboratory experiment was conducted using 26 soils of different Brazilian regions, to investigate soil acidity components, giving emphasis to Al and their relations with chemical properties. The pH correlated positively with P, Ca, Mg, K, BS, CEC and V% values, and negatively with Al saturation. The Al3+ was the predominant exchangeable cation in 32% of the soils with pH below 5.6. The KCl titratabl

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35

Trygub, V. I., S. V. Bochevar, and A. M. Kupchik. "SOIL-ECOLOGICAL PECULIARITIES OF URBAN SOIL (BY THE EXAMPLE OF CITY OF ODESSA)." Odesa National University Herald. Geography and Geology 21, no. 1(28) (2016): 98–109. http://dx.doi.org/10.18524/2303-9914.2016.1(28).90335.

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Purpose of the article is to identify the impact of automobile transport emissions and industry to physical and chemical properties of soils of Odessa.Data & Methods. These materials obtained as a result of their own field and analytical researches carried out during 2014-2015 years concerning the impact of automobile transport and industry on physical and chemical properties of soil in the city. In the research it is used common methods of field and laboratory analytical investigations, physical and chemical studies and assessments of soils of Odessa. Soil profiles were laid in areas with

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36

Ivanov, Yu O., S. E. Levchuk, Yu V. Khomutinin, O. M. Kadygrib, L. V. Yoschenko, and V. V. Pavliuchenko. "Mobility of 90Sr and 137Cs in soils characterized with contrasting properties." Nuclear Physics and Atomic Energy 14, no. 3 (2013): 288–94. https://doi.org/10.15407/jnpae2013.03.288.

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Results of the study of 90Sr and 137Cs migration mobility in soils characterized with contrasting physical-chemical properties and granulometric composition has been analyzed. The mentioned radionuclides were introduced in soils in initial water-soluble form. Ecological and effective half-time of cleaning of soils 20-cm horizons (Tecol) has been estimated. Mean values of Tecol of 90Sr varies in range 3.7 - 84 years. Tecol of 137Cs varies in range 61 - 265 years. Correlation of ecological half-time cleaning of soddy-podsolic soils species from radionuclide and physical-chemical properties and g

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Paragi, Nilesh S., Bhavik J. Prajapati, M. B. Viradiya, and Radha Chaudhary. "Delineation of Soil Physical and Chemical Properties of Mahisagar District of Gujarat, India." International Journal of Plant & Soil Science 36, no. 2 (2024): 71–80. http://dx.doi.org/10.9734/ijpss/2024/v36i24366.

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The successful implementation of sustainable agriculture practices relies on maintaining a favorable physical and chemical environment in the soil. This study aimed to assess the soil properties of Mahisagar district in Gujarat, focusing on both physical and chemical aspects. A total of 180 surface soil samples (0-15 cm depth) were collected from cultivated fields in six talukas during April-May 2018. Key indicators, including bulk density, particle density, porosity, moisture-holding capacity (MWHC), electrical conductivity (EC2.5), pH2.5, free lime, organic carbon, and cation exchange capaci

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Karira, Hemu, Aneel Kumar, Anees Raja, and Ali Murtaza. "Correlation between Chemical and Index Properties of Soils of Hyderabad Region." Civil Engineering Journal 4, no. 12 (2018): 2821. http://dx.doi.org/10.28991/cej-03091201.

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Each soil has unique nature of the characteristics and its properties are beyond the control of the designer. Since the soil parameters varies from site to site or location to location, thus selecting the reliable properties of soil is always a challenge for the Geotechnical Engineers. One of the option is intense soil investigations. However, there are various soil properties whose determination is time consuming and expansive. Geotechnical Engineer usually tries to develop mathematical equations specific to a particular soil type. However, a mathematical formula that is more reliable for the

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TAUOVA, N., M. YESSENAMANOVA, K. KOZHAKHMET, N. KYLYSHBAEVA, and S. CHERKESOVA. "ENGINEERING AND GEOLOGICAL STUDIES OF THE TENGIZ DEPOSIT." Neft i Gaz, no. 2 (April 15, 2023): 6–21. http://dx.doi.org/10.37878/2708-0080/2023-2.01.

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In this article, a study of geological and ecological loads on the geological environment at the Tengizfield, located in the Zhyloy district of Atyrau region of the Republic of Kazakhtan, is carried out. Soil tests by dynamic sounding (STDS) were performed on all drilling wells for sandy soils. In the process of performing engineering and geological exploration, static sounding of soils was performed at the projected sites of GDP-1 (gas distribution plant) and Torch, with the measurement of hydrostatic pore pressure. Physical and mechanical properties of soils, chemical properties of soils and

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Dayo-Olagbende, Olufemi, Kehinde Oseni Sanni, Omowumi Oluwawemimo Akingbola, and Babatunde Sunday Ewulo. "Chemical Properties of Soil under Different Redox Potentials." ABUAD International Journal of Natural and Applied Sciences 2, no. 2 (2022): 101–8. http://dx.doi.org/10.53982/aijnas.2022.0202.07-j.

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Aim: The experiment was setup in an attempt to determine the effect of redox potentials on soil chemical properties Mat and met: A 3 x 2 x 2 factorial experiment was conducted. The experiment was laid out in Randomized Complete Block Design (RCBD) and consisted of three factors namely: Poultry manure at three levels (0 tha-1, 6 tha-1 and 8 tha-1), NPK 15-15-15 at two levels (0 kgha-1 and 200 kgha-1) and watering regimes at two levels (waterlogged and field capacity). These factors were used to induce the various redox status of the soil. The combination of these variables resulted in twelve (1

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Okorie, A., and C. Njoku. "Comparative Assessment of Selected Chemical Properties of Soils in Ivo, Ohaozara and Onicha L.G.As of Ebonyi State, Nigeria." Greener Journal of Agricultural Sciences 3, no. 2 (2013): 097–100. https://doi.org/10.15580/GJAS.2013.2.111512263.

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<strong>This study was carried out at Ivo, Ohaozara and Onicha L.G.As. to compare selected chemical properties of soils in those areas.  Four replicates of soil samples were collected in each L.G.A. at depths of 0 to 30 cm using soil auger. These soil samples were used for the determination of soil texture, soil pH, organic C, total N, C/N ratio, available P, exchangeable K and cation exchange capacity. Data collected were analysed using standard error and coefficient of variance. Results of the study showed that the soils of the three L.G.As were sandy loam. The pH of soils studied were

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Scherer, H. W., D. J. Metker, and G. Welp. "Effect of long-term organic amendments on chemical and microbial properties of a luvisol." Plant, Soil and Environment 57, No. 11 (2011): 513–18. http://dx.doi.org/10.17221/3283-pse.

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We studied the long-term effect (about 45 years) of farmyard manure, sewage sludge and compost application in two increments on organic carbon (C<sub>org</sub>), the amount (C<sub>mic</sub>) and activity of the microbial biomass (soil respiration, dehydrogenase activity), total N content and N delivery of soils as compared to manuring with mineral fertilizers. The application of both increments of compost and the high sewage sludge application rate resulted in an increase in C<sub>org</sub> while soils treated with both compost application rates and the high

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Surajit, Choshal, S. Dedalal S., and C. Lahiri S. "Engineering and physico-chemical properties of soils of deltaic region of West Bengal. Part-1 [Physical (index and engineering) properties]." Journal of Indian Chemical Society Vol. 84, Jun 2007 (2007): 568–76. https://doi.org/10.5281/zenodo.5820681.

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Department of Chemistry, Kalyani University, Kalyani-741 235, West Bengal, India <em>E-mail</em> : sujitclahiri@yahoo.com Kalyani Government Engineering College, Kalyani-741 235, West Bengal, India Soil Mechanics Section, River Research Institute, West Bengal, P.O. HRRI, West Bengal, India <em>Manuscript received 21 June 2005, revised 19 January 2006, accepted 3 April 2007</em> Soil has multifarious uses and can be studied from various points of view like agronomy, construction, environmental purifier, pollution etc. The different physical (index and engineering) properties of soils like moist

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Rukh, Shah, Saleem Akhtar, Ayaz Mehmood, et al. "Arsenate and arsenite adsorption in relation with chemical properties of alluvial and loess soils." Journal of the Serbian Chemical Society 82, no. 7-8 (2017): 943–54. http://dx.doi.org/10.2298/jsc170209042r.

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Arsenic is one of the most toxic elements in the soil environment. Understanding of the arsenic adsorption chemistry is essential for evolving the extent of soil and groundwater contaminations. This research was conducted to determine the variation in adsorption behaviour of arsenite and arsenate with depth in different lithology soils. We sampled two parent materials at genetic horizons, and within a parent material, we selected two soils. Besides basic soil characterizations, a laboratory batch experiments were carried out to study the adsorption of arsenate and arsenite. Freundlich adsorpti

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S, . Ghoshal, S. Dedalal S., and . C. . Lahiri S. "Soil engineering properties and stabilization of Purulia soil by chemical treatment (with calcium salts)." Journal of Indian Chemical Society Vol. 82, Aug 2005 (2005): 701–9. https://doi.org/10.5281/zenodo.5829947.

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Department of Chemistry, Kalyani University, Kalyani-741 235, India <em>E-mail</em> : sujitclahiri@ yahoo.com Soil Mechanics Section, River Research Institute, W.B., P.O. HRRI, Nadia, India <em>Manuscript received 13 September 2004, revised 5 April 2005, accepted 25 April 2005</em> The soil index and engineering properties like the specific gravity, grain-size, liquid limit (LL), plastic limit (PL), compaction characteristics, compression index (Cd, etc. of Purulia soils were studied. The soil characteristics and their engineering properties (stabilization) can he considerably improved and str

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Pinskoy, V. N., I. A. Idrisov, N. N. Kashirskaya, M. V. Yeltsov, and A. V. Borisov. "Soils of Agricultural Terraces on Clay Shales in the Mid-Mountain Zone of the Eastern Caucasus." Почвоведение, no. 6 (June 1, 2023): 691–702. http://dx.doi.org/10.31857/s0032180x22601335.

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The article considers the chemical properties and biological activity of soils of agricultural terraces on clay shales in the mid-mountain zone of the Eastern Caucasus. It is established that the area of terraced plots in the southern zone of Shale Dagestan is about 264 km2 of the territory. These soils are currently in a fallow state but represent a significant reserve of highly fertile erosion-resistant soils, the cultivation of which, unlike soils on consolidated rocks, is possible with the help of modern technology. The influence of slope exposure, steepness, terrace size, duration of the

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Lee, Young-Han, Yeon-Kyu Sonn, Seong-Tae Lee, et al. "Topographical Chemical Properties of Paddy Soils in Gyeongnam Province." Korean Journal of Soil Science and Fertilizer 45, no. 2 (2012): 143–48. http://dx.doi.org/10.7745/kjssf.2012.45.2.143.

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Kong, Myung-Suk, Seong-Soo Kang, Mi-Jin Chae, et al. "Changes of Chemical Properties in Upland Soils in Korea." Korean Journal of Soil Science and Fertilizer 48, no. 6 (2015): 588–92. http://dx.doi.org/10.7745/kjssf.2015.48.6.588.

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Tedeschi, Anna, Giovanna Angelino, and Celestino Ruggiero. "Physical and chemical properties of long-term salinized soils." Italian Journal of Agronomy 1, no. 2 (2006): 263. http://dx.doi.org/10.4081/ija.2006.263.

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Dinca, Lucian, Ion Chisalita, and Ilie-Cosmin Cantar. "Chemical Properties of Forest Soils from Romania West Plain." Revista de Chimie 70, no. 7 (2019): 2371–74. http://dx.doi.org/10.37358/rc.19.7.7342.

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The present paper characterizes the soils from Romania�s West Plain from a chemical property point of view, based on data from forest management plans. As such, for each forest district, soil samples from characteristic forest areas are gathered once at ten years and then analyzed. In this manner, soil reaction, base saturation degree, total cationic exchange capacity, humus content and total nitrogen where analyzed and compared with results of soil analysis from other Romanian areas.

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