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Academic literature on the topic 'Luvisol'
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Journal articles on the topic "Luvisol"
1
Strouhalová, Barbora, Anne Gebhardt, Damien Ertlen, et al. "From Chernozem to Luvisol or from Luvisol to Chernozem? A discussion about the relationships and limits of the two types of soils. A case study of the soil catena of Hrušov, Czechia." Geografie 125, no. 4 (2020): 473–500. http://dx.doi.org/10.37040/geografie2020125040473.
Full textAbstract:
The patchy character of the distribution of Chernozems and Luvisols formed on loess is often observable on the pedological maps, on a large scale, in Czechia. The focus of the paper is to examine the features of the soil catena of Hrušov (Czechia), which is characterized by the simultaneous presence of Chernozem, Luvisol and Luvic Chernozem – without obvious environmental reasons. A catena of only 330 meters is considered a system of transformation between these soils. Along with field work and the pedological analysis, we used the soil micromorphology method to understand the processes of pedogenesis. We concluded that the presence of considerably different soil types on a small scale is due to intensive agriculture. We found that the present Chernozem is formed on the Luvisol by retrograde soil evolution, which included a shift in the vegetation, erosion, and recarbonation. The evolution of Luvisol in the lower part of the catena has been considerably modified.
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Kulizhskiy, Sergey P., Sergey V. Loiko, Yuri N. Morgalev, Georgy I. Istigechev, Anna V. Rodikova, and Tatyana A. Maron. "Investigation of Platinum and Nickel Nanoparticles Migration and Accumulation in Soils within the Southeastern Part of West Siberia." Nano Hybrids and Composites 13 (January 2017): 115–22. http://dx.doi.org/10.4028/www.scientific.net/nhc.13.115.
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The migration and accumulation of nickel (nNi) and platinum (nPt) nanoparticles (NPs) in loamy sand and loamy soils (Luvisols) occupying the largest area in the southeastern part of West Siberia, have been investigated. The experiments were made in situ. The loamy sand soils (Albic Lamellic Luvisol) were tested down to a depth of 55 cm to sorb 100% nNi and at least 71% nPt of their total introduced amount. The rest 29% nPt either penetrated below the depth of 55 cm, or moved laterally. The experimental results in loamy soils enormously differed. Thus, only 16 to 20% nPt and 8 to 10 % nPt migrated radially in the Albic Luvisol and adjacent Stagnic Luvisol, respectively, while the rest NPs shifted laterally. The differences between the loamy soils are associated with lesser biogenic porosity of the Stagnic Luvisol, and, as a consequence, with higher density. The NPs migration and sorption processes are related to the soil properties differentiation. The inverse correlation between the concentration of nPt sorbed in soil horizons and their density with R2 = 0.67 has been established. NPs have shown high migrational ability with nNi to a lesser extent, and nPt to a larger extent. During a single introduction, these are able to penetrate depths of more than 1 m with both gravitational and capillary water.
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Lupwayi, N. Z., M. A. Monreal, G. W. Clayton, C. A. Grant, A. M. Johnston, and W. A. Rice. "Soil microbial biomass and diversity respond to tillage and sulphur fertilizers." Canadian Journal of Soil Science 81, no. 5 (2001): 577–89. http://dx.doi.org/10.4141/s01-010.
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There is little information on the effects of S management strategies on soil microorganisms under zero tillage systems o n the North American Prairies. Experiments were conducted to examine the effects of tillage and source and placement of S on soil microbial biomass (substrate induced respiration) and functional diversity (substrate utilization patterns) in a canola-wheat rotation under conventional and zero tillage systems at three sites in Gray Luvisolic and Black Chernozemic soils. Conventional tillage significantly reduced microbial biomass and diversity on an acidic and C-poor Luvisolic soil, but it had mostly no significant effects on the near-neutral, C-rich Luvisolic and Chernozemic soils, which underlines the importance of soil C in maintaining a healthy soil. Sulphur had no significant effects on soil microbial biomass, and its effects on microbial diversity were more frequent on the near-neutral Luvisol, which was more S-deficient, than on the acidic Luvisol or the Chernozem. Significant S effects on microbial diversity were observed both in the bulk soil (negative effects, compared with the control) and rhizosphere (positive effects) of the acidic Luvisol, but all significant effects (positive) were observed in root rhizospheres in the other soils. Sulphur by tillage interactions on acidic Luvisolic soil indicated that the negative effects of S in bulk soil occurred mostly under zero tillage, presumably because the fertilizer is concentrated in a smaller volume of soil than under conventional tillage. Sulphate S effects, either negative or positive, on microbial diversity were usually greater than elemental S effects. Therefore, S application can have direct, deleterious effects on soil microorganisms or indirect, beneficial effects through crop growth, the latter presumably due to increased root exudation in the rhizosphere of healthy crops. Key Words: Biolog, conservation tillage, microbial biodiversity, rhizosphere, soil biological quality, S fertilizer type and placement
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Wang, C., G. R. Brewster, and K. T. Webb. "Micromorphological evidence of pedogenetic pathway of a Podzolic Gray Luvisol (Falmouth series) in Nova Scotia." Canadian Journal of Soil Science 75, no. 4 (1995): 491–96. http://dx.doi.org/10.4141/cjss95-070.
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A catena of Podzolic Gray Luvisols (Falmouth series) – Gleyed Gray Luvisols (Queens series) – Orthic Gleysols (Kingsville series) is commonly found on fine loamy, weakly calcareous parent materials in Nova Scotia, with Podzolic Gray Luvisols occupying the best drained landscape positions. The hypothesis that podzolic B horizons of Podzolic Gray Luvisols were developed on degraded Bt horizons was investigated by micromorphological characterization of one Podzolic Gray Luvisol pedon. Although not visible in field examinations, argillans were common in thin sections of the Bf and Bm horizons. These argillans were not associated with the walls of voids or the surface of grains. Argillans of the Bt horizons, however, were associated with features such as cracks, vughs, and channels. The upper Bt horizon (i.e., Bt1gj) showed signs of degradation. The pale brown matrix color was more like the Bm horizon above than the dark brown Bt2gj horizon below. The strongly acidic nature of the Bt1gj horizon may have triggered degradation. It is concluded that the Bf and Bm horizons were developed on degraded Bt horizons through the translocation of amorphous Fe and Al and organic matter. Key words: Pedogenesis, micromorphology, Luvisols, bisequal soils
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Klironomos, John N. "Arbuscular mycorrhizae of Acer saccharum in different soil types." Canadian Journal of Botany 73, no. 11 (1995): 1824–30. http://dx.doi.org/10.1139/b95-193.
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Differences in propagule levels and in the colonization of Acer saccharum feeder roots by arbuscular mycorrhizal fungi in maple forests distributed across three different soil types (brunisols, luvisols, podzols) were investigated. All forest stands were located in southern Ontario. Acer saccharum was the dominant tree species, making up at least 75% of all trees. Results show that arbuscular mycorrhizae can dominate in different soil types, even in podzolic soils with moder-type humus, which typically support ectomycorrhizal associations. In fact, total hyphal colonization of A. saccharum roots and the capacity of the soil to initiate infection units were highest in the podzolic soils compared with those in brunisolic and luvisolic soils. In brunisolic soils, the roots exhibited high arbuscular colonization, low coil colonization, low vesicular colonization, and relatively moderate sporulation levels. In luvisolic soils, colonization was similar to that of brunisols; however, spore densities were lower. Roots in podzolic soils showed very different trends, with a low occurrence of arbuscules, high levels of hyphal coils and vesicles, and much higher spore densities. Soil type can account for much of the variability in arbuscular mycorrhizal structure and functioning that occurs among different locations. Key words: arbuscular mycorrhizae, Acer saccharum, brunisol, luvisol, podzol.
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Crisan, Vlad Emil, and Lucian Constantin Dinca. "Analysis of Chemical Properties of Forest Soils in Dobrogea Plateau." Revista de Chimie 71, no. 2 (2020): 267–72. http://dx.doi.org/10.37358/rc.20.2.7925.
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This paper aims to describe and interpret the chemical properties of forest soils in the Dobrogea Plateau. Data on soil analyzes are obtained in the laboratories of National Institute of Research and Development in Silviculture `Marin Dracea` after a recognized and accredited national and international methodology. There were analyzed soil reaction, base saturation degree, total cationic exchange capacity, humus content, total nitrogen and compared with results of soil analysis from other geographical regions of Romania. In the case of forest soils in Dobrogea Plateau, a higher pH was found than in other hilly or highland areas in the country to eutric cambisol, luvisol and preluvisol. Thus soil pH ranges from moderately acidic in the case of luvisols to low alkaline in the case of chernozems. Regarding the base saturation degree (V), there are higher values in this part of the country for preluvisol, luvisol and eutric cambisol and slightly lower values for phaeozem than in other regions of Romania. The amount of humus of eutric cambisols from Dobrogea Plateau is smaller than other hilly areas of the country and slightly higher than similar altitude areas.
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Onet, Cristian, and Aurelia Onet. "Evaluation of the microbial soil quality indicators in agricultural soils from Crisurilor Plain." Acta Agraria Debreceniensis, no. 53 (May 6, 2013): 79–80. http://dx.doi.org/10.34101/actaagrar/53/2132.
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The researches were carried out in 2010 and 2011 on the haplic luvisol cultivated in three variant such as: pasture, cropland, and orchards. Based on the total number of microorganisms monitored in the haplic luvisol (aerobic mesophilic heterotrophs, yeast and mould, Actinomycetes, nitrogen fixing bacteria and nitrifying bacteria) was calculated the bacterial indicators of soil quality (BISQ) and was appreciate the bacterial potential of the haplic luvisol. Seasonal analyses were carried out, and annual BISQs have been calculated too. The values of the bacterial indicators of the haplic luvisol in different cultivation conditions (pasture, cropland and orchards) indicate a high density of the bacterial groups in 2010 and 2011. In 2010 the values of the BISQs are included between 3.617 (minimum in autumn, in pasture) and 5.458 (maximum, in spring, in pasture). In 2011, the minimum value (3.622) was registered in pasture, in autumn, and the maximum value (4.851) in the haplic luvisol cultivated with maize, in spring. In 2010 and 2011, based on the bacterial indicators of the soil quality values, on the first position is the cropland (4.750, 4.721) followed by orchards (4.615, 3.985) and pasture (4.537, 3.758).
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Czachor, Henryk, and Ľubomír Lichner. "Temperature influences water sorptivity of soil aggregates." Journal of Hydrology and Hydromechanics 61, no. 1 (2013): 84–87. http://dx.doi.org/10.2478/johh-2013-0011.
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Abstract The aim of this study was to determine the potential development of water sorptivity of soil aggregates by heating. Soil aggregates were sampled from arable layer of 5 Polish soils: Haplic Luvisol 1 from Czesławice, Haplic Luvisol 2 from Wierzchucinek, Haplic Cambisol from Felin, Gleyic Mollic Cambisol from Chylice, and Haplic Phaeozem from Grabiec. Three aggregates of each soil type with minimum diameter between 4 and 10 mm were heated in the oven for at least 3 hours at temperatures 20, 100, 200, 250, and 360ºC. After each temperature treatment the soil aggregates were conditioned at the room temperature for 16 hours. Laboratory measurements of water sorptivity of soil aggregates were performed under a negative tension h0 = -2 cm using tension infiltrometer. It was found that the exposure to temperatures between 100 and 200°C tends to decrease water sorptivity of aggregates from all the studied soils but one (Haplic Luvisol 1), followed by about two- to four-fold increase in water sorptivity for exposure to temperatures of 250°C (in Haplic Luvisol 1, Haplic Luvisol 2, and Haplic Phaeozem) or 360°C (in Haplic Cambisol and Gleyic Mollic Cambisol).
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Leyva Rodríguez, Santa Laura, Alberto Masaguer Rodríguez, Raquel Ruz Reyes, and Aime Baldoquin Pagan. "Efecto de dos sistemas de labranza y aplicación de compost en el rendimiento de los pastos." La Técnica: Revista de las Agrociencias. ISSN 2477-8982, no. 18 (July 21, 2017): 18. http://dx.doi.org/10.33936/la_tecnica.v0i18.803.
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La respuesta del cultivo Pennisetum purpureum, a los sistemas de labranza en un suelo Luvisol háplico se evaluó en la zona norte del municipio de Las Tunas. El experimento estuvo constituido por dos parcelas principales en un diseño de parcelas divididas, con tratamientos al azar en tres repeticiones. Los tratamientos en las parcelas principales fueron labranza tradicional y labranza sin inversión del prisma, cada una dividida en 2 sub-parcelas diferenciadas por la aplicación de compost. Las variables medidas fueron: altura de las plantas, longitud y ancho de la cuarta hoja, número de yemas, hijos por macollas, relación hoja: tallo, masa seca de la raíz y masa fresca y seca de la planta. El sistema de labranza sin inversión del prisma con y sin compost incrementó los rendimientos del cultivo respecto a la labranza tradicional. La labranza tradicional afectó el desarrollo óptimo del sistema radicular y por consiguiente menor producción de biomasa.
 Palabras claves: P. purpureum vc. Cuba CT-115, luvisoles, rendimientos, biomasa, manejo.
 ABSTRACT
 The response of the Pennisetum purpureum crop to the tillage systems in a Luvisol haplic soil was evaluated in the northern area of the municipality of Las Tunas. The experiment consisted of two main plots in a split plot design, with randomized treatments in three replicates. The treatments in the main plots were traditional tillage and tillage without inversion of the prism, each one divided into 2 subplots differentiated by the application of compost. The variables were measured: plant height of plants, length and width of the fourth leaf, number of buds, number of offspring by tillers, leaf: stem ratio, dry root mass, and fresh and dry mass of the plant. The tillage system without inversion of the prism with and without compost increased yields of the crop compared to traditional tillage. Traditional tillage affected the optimal development of the root system and, consequently, lower biomass production.
 Key words: P. purpureum vc. Cuba CT-115, luvisols, yields, biomass, management.
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Whitson, I. R., D. S. Chanasyk, and E. E. Prepas. "Patterns of water movement on a logged Gray Luvisolic hillslope during the snowmelt period." Canadian Journal of Soil Science 84, no. 1 (2004): 71–82. http://dx.doi.org/10.4141/s02-081.
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Hillslope flow processes during the snowmelt period were studied at a logged site in the Boreal Plain Ecozone of western Canada. Fine-textured subsoils of Gray Luvisolic soils and soil frost were hypothesized to reduce infiltration capacity and promote interflow. Liquid soil water content, saturated flow through upper horizons, and soil temperature were monitored by Time Domain Reflectometry probes, zero-tension flow collectors, and thermocouples, respectively, on a 0.5-ha site with a 13% slope. Soil water content increased abruptly during snowmelt while soil temperature in the upper 65 cm was near 0°C, indicating that infiltration capacity was high despite frost. Mineral soil thawed 2 wk after snowmelt. Less than 0.1 mm of the 87 mm snow water equivalent became interflow. Size and timing of interflow events were variable and related to increased soil water content. The largest event occurred during soil thaw, and contributed 84% of total interflow. The lower Ae horizon was the preferred route for this flow, suggesting that the flowpath was not influenced by frost. Low pre-melt soil moisture probably reduced interflow volume. Interflow in Gray Luvisols is likely an infrequent happening due to high profile moisture storage capacity and rare development of the necessary saturated conditions. Key words: Snowmelt, infiltration, frozen soil, boreal, hydrologic flowpath, Luvisol