Academic literature on the topic 'Soil science'

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Journal articles on the topic "Soil science"

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Poyon Kizi, Khayitova Sanobar. "SOIL SCIENCE AND SOIL TERMINOLOGY." European International Journal of Multidisciplinary Research and Management Studies 02, no. 11 (November 1, 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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Kodešová, R. "Miroslav Kutílek – Professor of soil science, soil physics and soil hydrology." Soil and Water Research 3, Special Issue No. 1 (June 30, 2008): S5—S6. http://dx.doi.org/10.17221/1412-swr.

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Skvortsova, E. B., E. V. Shein, K. N. Abrosimov, K. M. Gerke, D. V. Korost, K. A. Romanenko, V. S. Belokhin, and A. V. Dembovetskii. "Tomography in soil science." Dokuchaev Soil Bulletin 86 (December 15, 2016): 28–34. http://dx.doi.org/10.19047/0136-1694-2016-86-28-34.

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Pozniak, Stepan, and Natalia Havrysh. "Social soil science as a new approach in soil science." Polish Journal of Soil Science 53, no. 1 (June 22, 2020): 73. http://dx.doi.org/10.17951/pjss.2020.53.1.73.

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<p>The article contains the authors’ reflections on the formation and substantiation of many aspects in soil science, concerning its connections with social sciences. Arguments about the exceptional importance of soil resources in the modern world and the importance of scientific research in soil science, which can become an important instrument of solving social problems, are found. It is shown that soil resources, being the basis of agricultural development, are the long-term capital through which different nations exist and develop. In order to maintain the normal living conditions of the population and to improve them, it is important to use this global resource wisely. The attitude of people to the soil is recognized as fundamental for nation’s sustainable development and, moreover, the life expectancy of a civilization may depend on the people attitude to soils. In order to maintain collective well-being of people, a long-term interest of the society in soil protection needs to be reoriented – this should become a priority task for our civilization. The current state of soils can be a characteristic of the development of society as well as a criterion for assessing the activity of government and social stability in the country.</p>
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Khlestkova, O. O. "FEATURES OF CRIMINALISTIC ESTIMATION IN FORENSIC SOIL-SCIENCE EXAMINATION." Theory and Practice of Forensic Science and Criminalistics 17 (November 29, 2017): 284–89. http://dx.doi.org/10.32353/khrife.2017.35.

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The paper indicates that a forensic soil-science examination is a multistage comprehensive research, and the evaluation is being carried out after each research phase taking into account the knowledge as in the field ofsoil-science and adjacent sciences (a naturalscience evaluation), and in the field of Criminalistics (criminalistic evaluation). The natural-science evaluation is performedfrom the point of view of classification, taxonomy and other structural units of soil-science, geology, biology and other sciences. The criminalistic evaluation foresees transformation of a natural-science evaluation results in accordance with the special knowledge in the field of the criminalistic identification theory. The features of criminalistic evaluation in the identification researches of forensic soil-science examination are considered, they consist in specific properties of objects of a soil-mineral origination: the absence of data on the structure of a genetic profile of soil in overlayings on object-carrier, multicomponentness of soils, possibility of some indicators of soil to be both as patrimonial and group signs depending on the character of the ground where the crime was committed. The patrimonial belongingness of soil objects corresponds to the broadest plots of terrain and is the initial stage at localization (separation) of accident scene plot under identification. The group belongingness unites objects with certain specific conditions of emergence and existence which, mainly, are conditioned by economic activities of a person in the industry, agriculture, construction. Group signs are namely those allow to separate a local plot on a broad territory with a certain complex of properties and indicators. Each expert research of soils needs the creative approach with taking into account all features of identification objects, including suitability of accident scene plot for localization and identification, the identification importance of signs, the presence of enough quantity of ground overlayings and preservation of initial indicators in them, coincidence ofproperties of all components and impurities in compared soils.
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Borůvka, L. "International Conference of the Czech Society of Soil Science and Joint Meeting of the Czech Society of Soil Science and the Soil Science Society of America – From the Sphere of Science." Plant, Soil and Environment 48, No. 2 (December 21, 2011): 87. http://dx.doi.org/10.17221/4365-pse.

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White, R. E. "Soil science." New Zealand Journal of Agricultural Research 33, no. 3 (July 1990): 503–4. http://dx.doi.org/10.1080/00288233.1990.10428450.

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MENZEL, R. G. "SOIL SCIENCE." Soil Science 151, no. 1 (January 1991): 24–29. http://dx.doi.org/10.1097/00010694-199101000-00005.

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&NA;. "Soil Science." Soil Science 154, no. 1 (July 1992): 83. http://dx.doi.org/10.1097/00010694-199207000-00011.

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Leeper, G. W., N. C. Uren, and RAY B. BRYANT. "Soil Science." Soil Science 158, no. 2 (August 1994): 155. http://dx.doi.org/10.1097/00010694-199408000-00010.

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Dissertations / Theses on the topic "Soil science"

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Sisco, Nicholas D. "Unearthing Soil Science in Green Infrastructure Planning." University of Cincinnati / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1530270280777253.

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Brandsma, Richard Theodorus. "Soil conditioner effects on soil erosion, soil structure and crop performance." Thesis, University of Wolverhampton, 1997. http://hdl.handle.net/2436/99094.

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Riggs, Katherine Sarah. "Soil chemical changes following limestone additions to acid soils." Thesis, University of Newcastle Upon Tyne, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315889.

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Hoyle, Frances Carmen. "The effect of soluble organic carbon substrates, and environmental modulators on soil microbial function and diversity /." Connect to this title, 2006. http://theses.library.uwa.edu.au/adt-WU2007.0050.

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Obrycki, John F. "Managing Soils For Environmental Science And Public Health Applications." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1469014282.

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Mathys, Ilse Lois. "Soil health and quality concept in agricultural extension and soil science : an assessment of topsoil conditions in a long term vineyard soil management trail in Robertson, South Africa." Thesis, Stellenbosch : University of Stellenbosch, 2011. http://hdl.handle.net/10019.1/6544.

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Thesis (MScAgric (Soil Science))--University of Stellenbosch, 2011.
Includes bibliography.
ENGLISH ABSTRACT: The natural resource condition or health has been accepted as a valuable indicator of sustainable land use. The assessment of soil health (quality) has become a valuable tool in determining the sustainability of land management systems. This work aims to evaluate the sustainability of soil management practices in agricultural extension for vineyards in Robertson, South Africa based, on the current approach of the concept of soil health and soil quality, as well as to briefly explore the present reservations regarding the definition of the concept. The soil management treatments include a mechanical weed control, chemical weed control, annual addition of straw mulch, annual cover crop and perennial cover crop. The objective of study is to (i) identify suitable soil health (quality) indicators for vineyards in the study area; (ii) analyze the soil health (quality) indicators for different soil management treatments; (iii) evaluate the effect of various soil management treatments on the overall soil functionality, by comparing measured indicators to the soil property threshold values, for optimal vine growth; iv) establish a more consistent understanding and use of the terms health and quality, as understood and used in the general science community, with particular reference to the public health system. The soil physical, chemical and biological properties which were selected as indicators of soil health (quality) based on specific criteria similar to previous work done on the concept. The properties selected include soil texture, gravimetric water content, bulk density, soil aeration, water aggregate stability, soil pH, EC, available N,P,K , soil organic matter content, soil microbial biomass, potential mineralizable nitrogen and soil respiration. The study makes use of methods of analysis previously used for soil health and soil quality assessments, as well as soil analytical methods as accepted by experienced soil scientist within the study area. The soil was sampled on three separate events to depths of 0-200 mm for initial characterization of soil and 0-50 mm to compare soil health (quality) Between tracks and In tracks of treatment plots. The values obtained for each property were compared with the optimum for vineyards and ranked accordingly. The treatment that resulted in the most desirable soil health (quality) was the straw mulch and perennial cover crop treatments.
AFRIKAANSE OPSOMMING: Die toestand of gesondheid van natuurlike hulpbronne is aanvaar as `n waardevolle aanduiding van volhoubare grondgebruik. Die assessering van grond gesondheid (kwaliteit) is 'n waardevolle hulpmiddel in die bepaling van die volhoubaarheid van grond bestuur stelsels. Hierdie werkstuk poog om die volhoubaarheid van grond bestuurs praktyke te evalueer vir wingerde in Robertson, Suid-Afrika wat baseer is op die huidige benadering van grond gesondheid en kwaliteit. Die tesis dek ook die huidige onsekerhede oor die konsep en definisies van terme wat gebruik word in die konsep. Die grond bestuur praktyke sluit in 'n meganiese onkruidbeheer, chemiese onkruidbeheer, jaarlikse toevoeging van `n strooi deklaag, jaarlikse en meerjarige dekgewas dekgewasse. Die doel van die studie was om (i) die geskikte grond gesondheid (kwaliteit) indikators vir wingerde in die studie area te identifiseer, (ii) die grond gesondheid (kwaliteit) indikators vir verskillende bogrond bestuur praktyke te identifiseer; (iii) die effek van verskillende grond bestuur praktyke op die algehele grond funksies te evalueer, deur dit te vergelyk met die gemete indikators vir drempelwaardes vir optimale wingerd groei; iv) 'n meer konsekwente begrip en gebruik van die terme “gesondheid” en “kwaliteit” vas te stel, soos dit verstaan en gebruik word in die algemene wetenskaplike gemeenskap, met spesifieke verwysing na die openbare gesondheidsisteem. Die grond fisiese, chemiese en biologiese eienskappe wat as indikators van grond gesondheid (kwaliteit) geselekteer was, word gebaseer op spesifieke kriteria soortgelyk aan dié wat in vorige werk op die konsep gedoen was. Die eienskappe wat geselekteer is sluit in grondtekstuur, gravimetriese waterinhoud, bulk digtheid, grond deurlugting, totalle water stabiliteit, grond pH, electriese geleiding, toeganklike N, P, K, grond organiese materiaal inhoud, grond mikrobiese massa, potensiële mineraliseerbare stikstof en grond respirasie. Die studie maak gebruik van analitiese metodes wat voorheen gebruik was vir grond gesondheid en kwaliteit, sowel as die grond analitiese metodes soos gebruik deur ervare grondkundiges binne die studie gebied. Die grondmonsters was geneem op drie afsonderlike geleenthede oor dieptes van 0-200 mm vir die aanvanklike karakterisering van grond en 0-50 mm, om grond gesondheid (kwaliteit) Tussen trekkerspore en In trekkerspore van die persele te vergelyk. Die waardes verkry vir elke eienskap was vergelyk met die optimum vir wingerde en verdeel volgens kwaliteit. Die behandeling wat die mees optimale grond gesondheid (kwaliteit) getoon het, was die strooi deklaag en meerjarige dekgewas behandelings.
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Burgos, Hernández Tania D. "Investigating Soil Quality and Carbon Balance for Ohio State University Soils." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1577141132704637.

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Caniquitte, Sabine Sophie. "Soil microbial community, soil aggregation and cropping system: study of their relationship." Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=19278.

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The effect of six cropping systems on soil carbon, aggregation and microbial community was examined after three growing seasons. The six cropping systems involved corn, sorghum, soybean, red clover, timothy and bare fallow, and differed in terms of tillage practice, type of crop (perennial versus annual) and type, amount and quality of carbon inputs to soil. Soil structure under sorghum and timothy differed from that of bare soil. Soil total carbon content exceeded that of fallow only under the two perennial cropping systems. Microbial community size and activity, arbuscular mycorrhizal fungi, bacteria and Gram(-) bacteria were positively correlated with total carbon, mean weight diameter (MWD) of aggregates and abundance of macroaggregates, and negatively correlated with abundance of microaggregates. Fungi were positively correlated with MWD of aggregates and negatively correlated with abundance of microaggregates. Root biomass and lignin content had the greatest effects on the size and proportion of microbial groups correlated with soil structure and carbon content. The relationships between microbial community structure and soil structure, and between microbial community structure and plant material chemical characteristics were further explored with an experiment where the dynamics of soil microbial community structure and changes in soil structure during the decomposition process of soybean, corn, timothy and red clover materials were monitored for 28 weeks. Up to 53% of the variation in microbial community composition could be explained by the quality of added materials and up to 24% of the variation in soil structure could be explained by the composition of the soil microbial community. The C/N, hemicellulose, soluble C
L'effet de six systèmes de culture sur le carbone, l'agrégation et la communauté microbienne du sol a été évalué après trois saisons de croissance. Les systèmes de culture comprenaient le maïs, le sorgho, le soya, le trèfle, la fléole des prés ainsi que des parcelles en jachère et étaient caractérisés par différents types de travail du sol et de plantes (pérennes versus annuelles) et par la nature, quantité et qualité des apports de carbone au sol. Comparativement à la jachère, la structure du sol a été affectée par les systèmes de culture impliquant le sorgho et la fléole des prés et le carbone total du sol n'a été augmenté que sous les plantes pérennes. La taille et l'activité de la communauté microbienne ainsi que les champignons arbusculaires mycorhiziens, les bactéries en général et les bactéries à Gram négatif ont été positivement corrélés au diamètre moyen des agrégats et à la proportion de macroagrégats du sol, mais négativement corrélés à la proportion de microagrégats. Les champignons étaient positivement corrélés au diamètre moyen des agrégats et négativement corrélés à la proportion de microagrégats. La biomasse racinaire et le contenu en lignine des racines ont eu le plus d'effet sur la taille et la proportion des groupes microbiens corrélés à la structure et à la teneur en carbone du sol. La relation entre la structure du sol et la composition de la communauté microbienne ainsi que le lien entre la qualité des matières végétales et la structure de la communauté microbienne ont été examinés davantage lors d'une expérience en laboratoire. Du sol et des tissues de maïs, de soya, de trèfle et de fléole des prés ont été incubés pendant 28 semaines
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roberts, john christopher. "Impact of Manure and Soil Test Phosphorus on Phosphorus Runoff from Soils Subjected to Simulated Rainfall." NCSU, 2005. http://www.lib.ncsu.edu/theses/available/etd-06162005-123000/.

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Runoff from agricultural fields amended with animal manure or fertilizer is a source of phosphorus (P) pollution to surface waters, which can have harmful effects such as eutrophication. The objectives of this study were to evaluate the impact of soil P status and the P composition of manure sources on P in runoff, characterize the effects of manure sources on mass loss of dissolved reactive P (DRP), total dissolved P (TDP), algal available P (AAP) and total P (TP) in runoff, and enhance the PLAT database with respect to soluble P attenuating factor (SPAF) and non-soluble P attenuating factor (NSPAF) values. Soil boxes set at 5% slopes received 7.5 cm hr-1 of simulated rainfall. Study soils included a Kenansville loamy sand (loamy siliceous subactive thermic Arenic Hapludults, a Coastal Plain soil) and a Davidson silt loam (kaolinitic thermic Rhodic Kandiudults, a Piedmont soil). Soil test P concentrations ranged from 16 to 283 mg P kg-1. Sources of P included broiler litter (BRL), breeder manure (BRD), breeder manure treated with three rates of alum (Al2(SO4)3) BRD0-0 kg m-2, BRDL-3.9 kg m-2, and BRDH-7.8 kg m-2 and DAP along with an unamended control. All manure sources were applied at 66 kg P ha-1. Water extractable P (WEP) represented an average of 10 ?b 6% total P in manure. Runoff samples were taken over a 30-min period. Piedmont soil contained greater amounts of clay, Al and Fe concentrations, and higher P sorption capacities that produced significantly lower DRP, TDP, AAP, and TP losses than the Coastal Plain soil. Runoff P loss did not differ for low and high STP soils of same taxonomy with the exception of AAP mass losses for Coastal Plain soil samples. Water extractable P in manures accounted for all DRP lost in runoff with DRP correlating strongly with WEP concentration (0.9961). A weak relationship between DRP in runoff and WEP applied to soil boxes was observed (R2=0.6547) and increased when a possible outlying manure treatment, BRL, was omitted from regression data (0.9927). Overall, manures containing the highest WEP concentrations supplied the largest losses of DRP in runoff. Manure treated with 3.9 and 7.8 kg m-2 of Al2(SO4)3 (alum) decreased DRP in runoff by 29%. Values calculated for PLAT SPAF and NSPAF coefficients were higher for Coastal Plain soil than Piedmont soil and overall higher than default values in PLAT. Management based on these results should help minimize harmful effects of P in runoff.
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Steusloff, Tyler W. "Nitrogen Management Strategies to Improve Corn Growth and Reduce Soil Greenhouse Gas Emissions from Claypan Soils." Thesis, University of Missouri - Columbia, 2019. http://pqdtopen.proquest.com/#viewpdf?dispub=13850753.

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Adoption of nitrogen (N) management strategies to minimize gaseous N loss from agriculture while maintaining high yield production is increasingly important for an exponentially growing population. Agricultural management on poorly-drained claypan soils in the Midwestern U.S. make corn ( Zea mays L.) production even more challenging due to the subsoil’s low permeability, which may result in wetter soil conditions and relatively larger amounts of soil N2O emissions during the growing season. The objective of this study was to determine the effects of urea fertilizer placement with and without the addition of a nitrification inhibitor (NI) on corn yield, N use efficiency (NUE), and cumulative soil N2O emissions on a Northeastern Missouri claypan soil. The fertilizer strategies utilized in this study consisted of deep-banded urea (DB) or urea plus nitrapyrin [2-chloro-6-(trichloromethyl) pyridine] (DB+NI) at a depth of 20 cm compared to urea broadcast surface applied (SA) or incorporated to a depth of 8 cm (IA). The addition of a NI with deep-banded urea resulted in 27% greater apparent N recovery efficiency than all other N treatments. Additionally, DB+NI had 54 and 55% lower cumulative soil N2O emissions than IA and SA treatments in the two combined growing seasons. These results suggest that deep placement of urea with or without nitrapyrin is an effective management strategy for increasing corn yield and reducing N loss on a claypan soil.

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Books on the topic "Soil science"

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Kohnke, Helmut. Soil science simplified. 4th ed. Prospect Heights, Ill: Waveland Press, 1995.

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Tan, Kim H. Environmental soil science. New York: Dekker, 1994.

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Tan, Kim H. Environmental soil science. 3rd ed. Boca Raton: CRC Press, 2009.

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Tan, Kim H. Environmental soil science. 2nd ed. New York: M. Dekker, 2000.

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1964-, Hartemink Alfred E., McBratney A. B, and White R. E. 1937-, eds. Soil science. Sterling, VA: Earthscan, 2009.

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Hartemink, Alfred E. Soil science. London: Earthscan, 2009.

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1964-, Hartemink Alfred E., McBratney A. B, and White R. E. 1937-, eds. Soil science. Sterling, VA: Earthscan, 2009.

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1964-, Hartemink Alfred E., McBratney A. B, and White R. E. 1937-, eds. Soil science. Sterling, VA: Earthscan, 2009.

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Rashid, A. Soil science. Islamabad: National Book Foundation, 1996.

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FitzPatrick, Ewart Adsil. An introduction to soil science. 2nd ed. Essex, England: Longman Scientific & Technical, 1986.

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Book chapters on the topic "Soil science"

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Vegter, J. J., J. M. Roels, and H. F. Bavinck. "Soil Quality Standards: Science or Science Fiction." In Contaminated Soil ’88, 309–16. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-2807-7_54.

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Gupta, Raj K., I. P. Abrol, Charles W. Finkl, M. B. Kirkham, Marta Camps Arbestain, Felipe Macías, and Ward Chesworth. "Soil." In Encyclopedia of Soil Science, 629–34. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-3995-9_531.

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Blume, Hans-Peter, Gerhard W. Brümmer, Heiner Fleige, Rainer Horn, Ellen Kandeler, Ingrid Kögel-Knabner, Ruben Kretzschmar, Karl Stahr, and Berndt-Michael Wilke. "Soil Development and Soil Classification." In Scheffer/SchachtschabelSoil Science, 285–389. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-30942-7_7.

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Chesworth, Ward, Marta Camps Arbestain, Felipe Macías, Otto Spaargaren, Otto Spaargaren, Y. Mualem, H. J. Morel‐Seytoux, et al. "Classification of Soils: Soil Taxonomy." In Encyclopedia of Soil Science, 113–20. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-3995-9_103.

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Hartemink, Alfred E. "Building an International Soil Science." In Soil Science Americana, 359–83. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71135-1_10.

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Hartemink, Alfred E. "Correction to: Soil Science Americana." In Soil Science Americana, C1. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71135-1_16.

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Blume, Hans-Peter, Gerhard W. Brümmer, Heiner Fleige, Rainer Horn, Ellen Kandeler, Ingrid Kögel-Knabner, Ruben Kretzschmar, Karl Stahr, and Berndt-Michael Wilke. "Soil Geography." In Scheffer/SchachtschabelSoil Science, 391–408. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-30942-7_8.

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Van Wambeke, A. "Tropical Soils and Soil Classification Updates." In Advances in Soil Science, 171–93. New York, NY: Springer New York, 1989. http://dx.doi.org/10.1007/978-1-4613-8847-0_5.

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Hartemink, Alfred E. "Prologue—The Roots of Soil Science." In Soil Science Americana, 1–35. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71135-1_1.

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Shafer, Wade H. "Geochemistry and Soil Science." In Masters Theses in the Pure and Applied Sciences, 237–41. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-0393-0_18.

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Conference papers on the topic "Soil science"

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Kruglov, O., and O. Menshov. "To the soil magnetic susceptibility application in modern soil science." In 16th International Conference on Geoinformatics - Theoretical and Applied Aspects. Netherlands: EAGE Publications BV, 2017. http://dx.doi.org/10.3997/2214-4609.201701906.

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Song, Genxin, Leping Zhang, Ke Wang, and Ming Fang. "Spatial simulation of soil attribute based on principle of soil science." In 2013 21st International Conference on Geoinformatics. IEEE, 2013. http://dx.doi.org/10.1109/geoinformatics.2013.6626080.

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Kruglov, O., O. Menshov, L. Horoshkova, O. Tonkha, O. Andreeva, B. Kruhlov, and O. Zhuravel. "Soil Sampling and Magnetic Susceptibility Determination in Soil Science: Methodological Aspect." In 16th International Conference Monitoring of Geological Processes and Ecological Condition of the Environment. European Association of Geoscientists & Engineers, 2022. http://dx.doi.org/10.3997/2214-4609.2022580165.

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Gubasheva, B. E., M. A. Khassenova, and E. K. Akkereyeva. "Monitoring of technogenic soil pollution in manufacture." In General question of world science. Наука России, 2021. http://dx.doi.org/10.18411/gq-31-03-2021-21.

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The growth of production zones in the city of Aksai in the West Kazakhstan region leads to contamination of the soil cover, which, in turn, causes a chain reaction of pollution. Due to soil contamination, soil moisture and the underground surface are polluted. As a result, the processes in the soil change, the vital activity of plants, animals and microorganisms are disrupted. The article presents data on the study of changes in soil cover under the influence of human activity. The results of the conducted studies on the determination of the humus content and pH level, the content of heavy metals in technogenically disturbed soils in the adjacent territory of the natural gas processing enterprise are presented. The obtained data on the gross content and mobile forms of heavy metals indicates that the maximum permissible concentration level for these pollutants is not exceeded.
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Malikzada, Abdulmuner, Hasan Fırat Pulat, and İnci Develioğlu. "Effect of Fly Ash on Compaction Behavior of Alluvial Soil." In International Students Science Congress. Izmir International Guest Student Association, 2021. http://dx.doi.org/10.52460/issc.2021.016.

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Low plasticity, high bearing capacity, low settlement, etc. are the preferred properties for most engineering projects. Alluvial soils are problematic soils because of low bearing capacity, high organic matter content, and high void ratio so they do not meet the preferred condition for engineering projects. It has been necessary to improve unsuitable materials to make them acceptable for construction. Fly ash (FA) has earlier been used for stabilizing roads due to its high content of calcium and silicate oxides which give puzzolanic properties and thus high compression strength. In this research, fundamental engineering properties, compaction behaviors of three types of (fine, medium, and coarse) alluvial deposits, and the effect of fly ash on compaction behavior of these alluvial soils are presented. Alluvial soil is taken from Çiğli, Balatçık (Izmir, Turkey). To determine geotechnical index properties; wet sieve analysis, plastic limit, liquid limit, specific gravity, standard compaction tests were conducted. In order to determine the effect of fly ash on compaction behavior of alluvial deposits, three different samples (fine < 0.425mm, medium < 2mm, and coarse < 4.75 mm) are prepared and 10%, 15%, 20% fly ash by dry weight of soil is mixed and standard proctor test is performed. As a result of laboratory tests, the liquid limit, plastic limit, and plasticity index values obtained as 38.3%, 25.7%, and 12.6%, respectively. The specific gravities for fine, medium, and coarse samples are 2.68, 2.67, and 2.66, respectively. According to the results of wet sieve analysis and consistency limit tests, it was stated that the soil contains large amounts of sand and clay. The washed sieve analysis and consistency limit tests results were evaluated according to USCS. The conducted test results have shown that maximum dry unit weight for fine, medium, and coarse soils are 16.9, 19.35, and 19.55 (kN/m3), and optimum moisture content for fine, medium, and coarse samples are 17, 11, 10.5% respectively. Generally, by increasing the content of FA, maximum dry unit weight decreased and optimum moisture content increased for all three types of alluvial soil. By increasing FA to 20%, maximum dry unit weight of medium and coarse soils decreases 1.5% and 2%, respectively.
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Menshov, O. "Theory And Methodology Of Soil Magnetism In Geology, Ecology, And Soil Science." In 12th International Conference on Monitoring of Geological Processes and Ecological Condition of the Environment. Netherlands: EAGE Publications BV, 2018. http://dx.doi.org/10.3997/2214-4609.201803174.

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Öztaş, Taşkın. "Effective Soil and Plant Management Practices for Increasing Soil Organic-Carbon Stocks." In 3rd International Congress on Engineering and Life Science. Prensip Publishing, 2023. http://dx.doi.org/10.61326/icelis.2023.50.

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Due to its multifunctional characteristics; soil organic matter has great importance not only for soil fertility by providing many plant nutrients, increasing plant available water and microbial activity, but also for structural improvement of soil by creating stable aggregates. However, the existence of this valuable resource is rapidly decreasing in Turkish soils, as in many other geographical regions of the World, mainly due to land use/land cover changes and high rates of soil erosion. In terms of drought and desertification, which are the most obvious negative effects of climate change, Türkiye is among the high-risk countries. One of the most important threats to soil functions, which are directly related to climate change-related crop production, is the loss of soil organic matter. Soil degradation due to organic matter loss that threaten the food, energy and water security of human beings in today's world, carries the risk of becoming more prominent and destructive on the axis of global-scale climate change and oppressive and unsustainable management practices on natural resources. However, it is clear that with the sustainable management of soil, which is known as the biggest organic carbon stock pool of terrestrial ecosystems, it plays a key role in minimizing the negative effects of climate change. The carbon storage capacity of soil depends on the local climate and existing land cover at the upper scale, but it also affected by solum depth, soil parent material, soil moisture and soil temperature regime, and the most importantly by soil and plant management practices. In other words, the factor that creates variability and has the opportunity to change is the human-induced soil/plant management factor. Increasing organic-C stocks in the soil is directly related to the balancing of land degradation and the effectiveness of the implementation of sustainable land and forest management strategies. In this context; minimizing erosion losses for all land use types and preventing misuse of lands, and especially in agricultural areas where organic carbon loss is manageable, dissemination of ecosystem-oriented - regenerative agriculture and climate-friendly agricultural techniques, application of reduced, minimum or zero tillage systems, adding plant residues and organic inputs into the soil have very important places. This paper describes the effective ways of increasing soil organic carbon stocks in soil with different aspects.
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Rahil, Falah H., Mohammed A. Al-Neami, and Wisam M. Y. Mohammad. "Comparison between artificial gypseous soil with free gypsum soil." In 2018 1st- International Scientific Conference of Engineering Sciences - 3rd Scientific Conference of Engineering Science (ISCES). IEEE, 2018. http://dx.doi.org/10.1109/isces.2018.8340567.

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Davis, Scott. "SOIL SCIENCE IN THE BUREAU OF LAND MANAGEMENT, ADDRESSING SOIL HEALTH AND IMPACTS." In GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-283869.

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"Soil cover of Ukraine in the conditions of hostilities: state, challenges, activities for soil restoration." In Soil cover of Ukraine in the conditions of hostilities: state, challenges, activities for soil restoration. National Scientific Center «Institute for Soil Science and Agrochemistry Research named after O.N. Sokolovsky», 2023. http://dx.doi.org/10.31073/issar122023-01.

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The collection presents abstracts of the participants of the International Scientific and Practical Conference "Soil Cover of Ukraine in the Conditions of Hostilities: State, Challenges, Activities for Soil Restoration", which took place online on December 5, 2023 at the National Scientific Center «Institute for Soil Science and Agrochemistry Research named after O.N. Sokolovsky». The reports are mainly devoted to methodological aspects of the procedure for assessing losses suffered by the soil cover of Ukraine from russian military aggression, as well as issues of restoring the condition and quality of soils in liberated territories and on lands affected by the negative consequences of russian military aggression such as the launch of russian missiles and artillery shelling. The collection is intended for researchers, teachers of higher educational institutions of agricultural profile, postgraduates, students and all those who are not indifferent to the state of soils.
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Reports on the topic "Soil science"

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Masyutenko, N. P. Topical problems of soil science, ecology and agriculture. DOI CODE, 2023. http://dx.doi.org/10.18411/doicode-2023.253.

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Saumweber, Nicholas. Web Soil Survey lesson plans and instructor guide: Developing learning tools for undergraduate soil science classes. Ames (Iowa): Iowa State University, January 2019. http://dx.doi.org/10.31274/cc-20240624-1598.

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Gillor, Osnat, Stefan Wuertz, Karen Shapiro, Nirit Bernstein, Woutrina Miller, Patricia Conrad, and Moshe Herzberg. Science-Based Monitoring for Produce Safety: Comparing Indicators and Pathogens in Water, Soil, and Crops. United States Department of Agriculture, May 2013. http://dx.doi.org/10.32747/2013.7613884.bard.

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Using treated wastewater (TWW) for crop irrigation represents an important opportunity for ensuring adequate food production in light of growing freshwater scarcity worldwide. However, the environmentally sustainable approach of using TWW for irrigation can lead to contamination of produce with fecal pathogens that may remain in treated water. The overall goal of this research was to evaluate the correlation between the presence of fecal indicator bacteria (FIB) and that of a suite of human pathogens in TWW, the irrigated soil, and crops. Field experiments were conducted to compare secondary and tertiary TWW with dechlorinated tap water for irrigation of tomatoes, a typical commercial crop, in Israel, a semi-arid country. Human pathogens including bacteria (Salmonella), protozoa (Cryptosporidiumand Giardia), and viruses (Adenovirus [AV Types A, B, C & 40/41] and Enterovirus [EV71 subtypes]) were monitored in two field trials using a combination of microscopic, cultivation-based, and molecular (qPCR) techniques. Results from the field trials indicate that microbial contamination on the surface of tomatoes did not appear to be associated with the source of irrigated waters; FIB contamination was not statistically different on tomatoes irrigated with TWW as compared to tomatoes irrigated with potable water. In fact, Indicator bacteria testing did not predict the presence of pathogens in any of the matrices tested. High concentrations of FIB were detected in water and on tomato surfaces from all irrigation treatment schemes, while pathogen contamination on tomato surfaces (Cryptosporidiumand Salmonella) was only detected on crops irrigated with TWW. These results suggest that regular monitoring for pathogens should take place to accurately detect presence of harmful microorganisms that could threaten consumer safety. A notable result from our study is that the large numbers of FIB in the water did not appear to lead to FIB accumulation in the soil. With the exception of two samples, E. coli that was present at 10³ to 10⁴ cells/100 mL in the water, was not detected in the soil. Other bacterial targets associated with the enteric environment (e. g., Proteusspp.) as well as protozoal pathogens were detected in the TWW, but not in the soil. These findings suggest that significant microbial transfer to the soil from TWW did not occur in this study. The pattern of FIB contamination on the surfaces of tomatoes was the same for all treatment types, and showed a temporal effect with more contamination detected as the duration of the field trial increased. An important observation revealed that water quality dramatically deteriorated between the time of its release from the wastewater treatment plant and the time it was utilized for irrigation, highlighting the importance of performing water quality testing throughout the growing season at the cultivation site.
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Furey, John, Austin Davis, and Jennifer Seiter-Moser. Natural language indexing for pedoinformatics. Engineer Research and Development Center (U.S.), September 2021. http://dx.doi.org/10.21079/11681/41960.

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The multiple schema for the classification of soils rely on differing criteria but the major soil science systems, including the United States Department of Agriculture (USDA) and the international harmonized World Reference Base for Soil Resources soil classification systems, are primarily based on inferred pedogenesis. Largely these classifications are compiled from individual observations of soil characteristics within soil profiles, and the vast majority of this pedologic information is contained in nonquantitative text descriptions. We present initial text mining analyses of parsed text in the digitally available USDA soil taxonomy documentation and the Soil Survey Geographic database. Previous research has shown that latent information structure can be extracted from scientific literature using Natural Language Processing techniques, and we show that this latent information can be used to expedite query performance by using syntactic elements and part-of-speech tags as indices. Technical vocabulary often poses a text mining challenge due to the rarity of its diction in the broader context. We introduce an extension to the common English vocabulary that allows for nearly-complete indexing of USDA Soil Series Descriptions.
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van Noordwijk, Meine, Edmundo Barrios, Keith D. Shepherd, Joules Bayala, and Ingrid Öborn. The rooted pedon in a dynamic multifunctional landscape: Soil science at the World Agroforestry Centre. World Agroforestry Centre (ICRAF), 2015. http://dx.doi.org/10.5716/wp15023.pdf.

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Sutton, Stephen, and Mark Rivers. GeoSoilEnviroCARS: A National Resource for Earth, Planetary, Soil and Environmental Science Research at the Advanced Photon Source. Office of Scientific and Technical Information (OSTI), April 2019. http://dx.doi.org/10.2172/1508007.

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Verchot, L. V., F. Place, K. D. Shepherd, and B. Jama. Science and technological innovations for improving soil fertility and management in Africa: a report for the NEPAD Science and Technology forum ICRAF Working Paper no. 31. World Agroforestry Centre (ICRAF), 2007. http://dx.doi.org/10.5716/wp15193.pdf.

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Author, Unknown. PR-178-516-R02 Experience with Geotech and the Current Complex Programs. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), July 1987. http://dx.doi.org/10.55274/r0011450.

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An evaluation of the GEOTECH program developed by Jean Prevost of Princeton University for project PR-158-151. The program predicts static and transient, two and three dimensional soil behavior for general initial value problems. The integrated current complex computer program was also evaluated as developed by Applied Science Associates, Inc. for project PR-169-186. The programs predict (wave parameters and) the current velocities from an integration of a continental shelf circulation model, a wind-wave model, and a bottom boundary layer model.
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Beal, Samuel, Ashley Mossell, and Jay Clausen. Hydrocarbon treatability study of Antarctica soil with Fenton’s reagent. Engineer Research and Development Center (U.S.), July 2021. http://dx.doi.org/10.21079/11681/41260.

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The study objectives were to determine the effectiveness of Fenton’s Reagent and Modified Fenton’s Reagent in reducing Total Petroleum Hydrocarbon (TPH) concentrations in petroleum-contaminated soil from McMurdo Station, Antarctica. Comparisons of the contaminated soils were made, and a treatability study was completed and documented. This material was presented at the Association for Environmental Health and Sciences Foundation (AEHS) 30th Annual International Conference on Soil, Water, Energy, and Air (Virtual) on March 25, 2021.
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Azzi, Elias S., Cecilia Sundberg, Helena Söderqvist, Tom Källgren, Harald Cederlund, and Haichao Li. Guidelines for estimation of biochar durability : Background report. Department of Energy and Technology, Swedish University of Agricultural Sciences, 2023. http://dx.doi.org/10.54612/a.lkbuavb9qc.

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Biochar is produced by heating biomass in the total or partial absence of oxygen. This report addresses the long-term persistence of biochar in soil and how this can be managed in climate calculations and reporting. The report consists of this summary and four chapters, which can be read independently. Different terms have been used to describe the durability of biochar carbon storage, but also the physical presence of biochar in soils, e.g. persistence, permanence, recalcitrance, residence times, stability. Today, the term “durability of carbon storage” is preferred in policy contexts, but various academic disciplines such as soil science have other established terms like “persistence”. Here, both durability and persistence are used, rather interchangeably. It is important to be aware of differences in meaning that exist between disciplines. The purpose of this report is to present the state of knowledge regarding the proportion of carbon in biochar that remains in the soil over time and provide recommendations for calculating this. There is a need to calculate the persistence of biochar in soil for national climate reporting, corporate climate reporting, carbon credit trading, and life cycle assessments for various purposes. On the persistence of biochar The amount of biochar remaining after a certain time depends on the properties of the biochar and the environment in which it is located. Nearly all research on biochar persistence has focused on its application in agricultural soils. The main reason for the high durability of biochar carbon storage is the formation of fused aromatic stable structures during biomass pyrolysis. A high degree of fused aromatic structures makes biochar much less prone to microbial decomposition than fresh biomass. Different biochars have different properties, and this influences how long they persist in the soil. To achieve biochar with properties that provide higher persistence, it should be produced at higher temperatures for a sufficient duration. Measuring and calculating biochar persistence Established quantification methods of 100-year biochar persistence (e.g. referenced in IPCC inventory guidelines and used in voluntary carbon markets, to date) extrapolate short-term soil decomposition processes, and do not fully consider the processes that may explain millennial persistence. Calculations regarding biochar persistence have traditionally used a time span of 100 years to describe the amount of remaining carbon after a certain time. The use of specifically 100 years lacks a well founded scientific reason, but has been regarded as “far enough” into the future from a climate perspective and close enough for modelling to be meaningful. An active area of research relevant for the understanding biochar carbon storage durability is the development of advanced analytical characterisation methods of biochar that will enable measurement of the physicochemical heterogeneity in carbon structures present in biochar. Another area of continued research is biochar incubation, with a focus on field conditions, to elucidate both differences from laboratory conditions, and how transport processes affect biochar in the field. Recommendation and conclusion In the project, available research data has been aggregated into a functional model that calculates how much of the carbon in biochar remains after a given number of years. The model is based on the H/C ratio of the biochar placed in the soil and the annual average temperature at the location. The model is made freely accessible to provide biochar market actors with the best available knowledge for estimating the durability of biochar carbon. Existing research results provide a sufficient foundation for estimation of the amount of biochar expected to remain over time. Future research results are expected to lead to increased knowledge regarding the decomposition properties of biochar, in particular biochars with a very low H/C ratio. Therefore, this recommendation will be revised by the end of the project in 2025.
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