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Zeitschriftenartikel zum Thema „Soil practicals“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 1. Februar 2022

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1

Blanco-Canqui, Humberto, Sabrina J. Ruis, Carol A. Speth, and Donald J. Lee. "Teaching Undergraduate Soil Management to Diverse Majors: Linking Lectures with Field Practicals." Natural Sciences Education 47, no. 1 (2018): 180017. http://dx.doi.org/10.4195/nse2018.09.0017.

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Hale, Sarah E., Antonio José Roque, Gudny Okkenhaug, et al. "The Reuse of Excavated Soils from Construction and Demolition Projects: Limitations and Possibilities." Sustainability 13, no. 11 (2021): 6083. http://dx.doi.org/10.3390/su13116083.

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The construction and demolition of infrastructure can produce a surplus of excavated soils that ends up at landfills. This practice is not sustainable, and approaches are needed to reduce soil waste and minimize environmental and human health hazards. The “Reuse of urban soils and sites” Working Group in the European Large Geotechnical Institute Platform (ELGIP) works towards a safe and resource efficient use of excavated soils for construction. By considering relevant literature and practicals based on experience in the participating ELGIP countries (France, Norway, Portugal, Slovenia and Swe

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Anna, Gałązka, Gawryjołek Karolina, Grządziel Jarosław, and Księżak Jerzy. "Effect of different agricultural management practices on soil biological parameters including glomalin fraction." Plant, Soil and Environment 63, No. 7 (2017): 300–306. http://dx.doi.org/10.17221/207/2017-pse.

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The aim of the study was to determine the glycoproteins content (total glomalin (TG), easily extractable glomalin (EEG) and soil proteins related to glomalin (GRSP)) in soil under long-term monoculture of maize. Soil microbiological and biochemical properties, including microbial biomass and enzymatic activity were also assessed. The presence of total, easily-extractable glomalin and soil proteins related to glomalin was dependent on both the growth phase of the plant and tillage system. The highest content of glomalin was detected in the soils under maize in direct sowing and reduced tillage.

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Coughlan, KJ, D. Mcgarry, RJ Loch, B. Bridge, and GD Smith. "The measurement of soil structure - Some practical initiatives." Soil Research 29, no. 6 (1991): 869. http://dx.doi.org/10.1071/sr9910869.

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Soil structure has many aspects, and it is difficult to measure and characterize, particularly in soils where structure changes with wetting and drying. There is a need for soundly based methods robust enough to be used routinely on a range of soils. Such methods should also provide parameters for use in soil, hydrological and agronomic process models to enable the effect of soil structure to be simulated. This paper describes five methods and presents some results of indices which are proving useful in soils studies. An index of aggregate breakdown is derived from the proportion of sizes <

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Krasekha, E. N., and V. I. Trigub. "COLLECTIVE MONOGRAPH «SOILS OF THE LVIV REGION»: THEORETICAL AND PRACTICAL SIGNIFICANCE." Odesa National University Herald. Geography and Geology 26, no. 1(38) (2021): 262–66. http://dx.doi.org/10.18524/2303-9914.2021.1(38).234719.

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The peer-reviewed collective monograph “Soils of the Lviv region” reflects longterm studies of the genetic nature, geographical distribution, composition andproperties of the main types and subtypes of soils in the Lviv region. The monograph contains: a preface, 10 chapters, a list of used literature, an application, information about the authors. The text is illustrated with tables, figures, modern photographs of soil profiles. The total volume of the monograph is 424 pages. This is the first theoretical and practical scientific work, which contains full information on the state of soils and

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Shrestha, Shiva Kumar. "Sustainable soil management practices." World Journal of Science, Technology and Sustainable Development 12, no. 1 (2015): 13–24. http://dx.doi.org/10.1108/wjstsd-07-2014-0015.

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Purpose – Temporary and permanent decline in the productive capacity of the land due to natural and human-induced activities such as soil erosion, changing cropping practices and less use of organic matter (OM) has been the greatest challenge faced by mankind in recent years, particularly in the hills and mountains of Nepal. Hence, the purpose of this paper is to examine the effectiveness of sustainable soil management practices to mitigate desertification process in the hills of Nepal. Design/methodology/approach – Promotion of sustainable soil management (SSM) practices through a decentralis

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Shrestha, Ram K. "Soil Fertility under Improved and Conventional Management Practices in Sanga, Kavrepalanchowk District, Nepal." Nepal Agriculture Research Journal 9 (November 30, 2014): 27–39. http://dx.doi.org/10.3126/narj.v9i0.11639.

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A study was carried out to compare the fertility of soils under improved soil management practice with that of prevailing conventional practice and to assess the farmers’ perception on the improved practice in the upland farming system. The study was carried out in Nasikasthan Sanga of Kavrepalanchok district of Nepal. Soil samples were collected from fields under improved conventional practice. Samples were taken at 0-15 and 15-30 cm depths and were analyzed for various physico-chemical properties to compare the fertility status of the soils under both the practices. Altogether 68 farmers wer

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Rhymes, Jennifer M., Irene Cordero, Mathilde Chomel, et al. "Are researchers following best storage practices for measuring soil biochemical properties?" SOIL 7, no. 1 (2021): 95–106. http://dx.doi.org/10.5194/soil-7-95-2021.

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Abstract. It is widely accepted that the measurement of organic and inorganic forms of carbon (C) and nitrogen (N) in soils should be performed on fresh extracts taken from fresh soil samples. However, this is often not possible, and it is common practice to store samples (soils and/or extracts), despite a lack of guidance on best practice. We utilised a case study on a temperate grassland soil taken from different depths to demonstrate how differences in soil and/or soil extract storage temperature (4 or −20 ∘C) and duration can influence sample integrity for the quantification of soil-dissol

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Tan, Lin, Songsong Gu, Shi Li, et al. "Responses of Microbial Communities and Interaction Networks to Different Management Practices in Tea Plantation Soils." Sustainability 11, no. 16 (2019): 4428. http://dx.doi.org/10.3390/su11164428.

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Soil microorganisms play important roles in the plant health and agricultural production. However, little is known about the complex responses of microbial communities and interaction networks to different agricultural management practices in tea plantation soils. In the present study, Illumina Miseq high-throughput sequencing technology and molecular ecological network (MEN) analysis were used to investigate the soil microbial diversity, community structure and composition, interaction networks of organic tea plantation (OTP), non-polluted tea plantation (NPTP) and conventional tea plantation

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Chan, KY, and JA Mead. "Surface physical properties of a sandy loam soil under different tillage practices." Soil Research 26, no. 3 (1988): 549. http://dx.doi.org/10.1071/sr9880549.

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The infiltration behaviour and physical properties of a hardsetting sandy loam soil at Cowra, N.S.W., following 2 years of different tillage treatments are reported. Soil that had not been cultivated for 25 years was also investigated at an adjacent pasture site. Infiltration of simulated rainfall at the end of the wheat-growing season gave moisture profiles that were quite different for cultivated, direct drilled and pasture soils. The moisture profile for the cultivated soil suggested the presence of an impeded layer which retarded the movement of infiltrated rain to the subsoil. Porosity me

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Jan, Koukolíček, Herout Marcel, Pulkrábek Josef, and Pazderů Kateřina. "Influence of soil conservation practices on legume crops growth." Plant, Soil and Environment 64, No. 12 (2018): 587–91. http://dx.doi.org/10.17221/549/2018-pse.

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In a three-year experiment, three types of soil conservation techniques were tested in the legumes cultivation systems. Our treatment types were no-till, standard tillage to the depth of 8 cm and deep tillage to 20 cm. The study evaluated winter pea (cv. Enduro), spring pea (cv. Eso), white lupine (cv. Amiga), narrow-leaved lupine (cv. Boregine) and soybean (cv. Merlin) in two autumn terms (winter pea only) and in spring term (all legume species). In no-till technology, the average yield of all legumes was 2.24 t/ha. For standard tillage (2.58 t/ha) and deep tillage (2.62 t/ha), yields were si

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Xu, Nan, Jehangir H. Bhadha, Abul Rabbany, and Stewart Swanson. "Soil Health Assessment of Two Regenerative Farming Practices on Sandy Soils." Sustainable Agriculture Research 8, no. 4 (2019): 61. http://dx.doi.org/10.5539/sar.v8n4p61.

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The addition of organic amendments and cover cropping on sandy soils are regenerative farming practices that can potentially enhance soil health. South Florida mineral soils present low soil quality due to their sandy texture and low organic matter (OM) content. Few studies have focused on evaluating the effects of farm-based management regenerative practices in this region. The objective of this study was to evaluate changes in soil properties associated with two regenerative farming practices - horse bedding application in combination with cover cropping (cowpea, Vigna unguiculata), compared

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Garcia Moreno, R., T. Burykin, M. C. Diaz Alvarez, and J. W. Crawford. "Effect of Management Practices on Soil Microstructure and Surface Microrelief." Applied and Environmental Soil Science 2012 (2012): 1–9. http://dx.doi.org/10.1155/2012/608275.

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Soil surface roughness (SSR) and porosity were evaluated from soils located in two farms belonging to the Plant Breeding Institute of the University of Sidney. The sites differ in their soil management practices; the first site (PBI) was strip-tilled during early fall (May 2010), and the second site (JBP) was under power harrowed tillage at the end of July 2010. Both sites were sampled in mid-August. At each location, SSR was measured for three 1 m2subplots using shadow analysis. To evaluate porosity and aggregation, soil samples were scanned using X-ray computed tomography with 5 μm resolutio

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Arany, Sándor. "Genetic and Practical Classifications of Hungarian Saline Soils (Contemporary Publication)." Acta Agraria Debreceniensis, no. 9 (December 10, 2002): 111–18. http://dx.doi.org/10.34101/actaagrar/9/3569.

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The first part of the paper treates possible ways of soil alkalisation and the differences due to the reaction of the medium, neutral or alkaline, respectively. Alkalisation may occur in any soil, independently of the type, or even in soil-like formations, if conditions are favorable. Alkali soils are so-called hydrogenetic formations, developed in part through water effects. Under conditions prevailing in Hungary two kinds of salt migration processes, opposite to one another, are observable, i.e.:1. Leaching downward, causing decrease in the base content of the upper layers,2. Capillary rise

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Gerke, Jörg. "Carbon Accumulation in Arable Soils: Mechanisms and the Effect of Cultivation Practices and Organic Fertilizers." Agronomy 11, no. 6 (2021): 1079. http://dx.doi.org/10.3390/agronomy11061079.

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The organic carbon content of soils is a key parameter of soil fertility. Moreover, carbon accumulation in soils may mitigate the increase in atmospheric CO2 concentration. The principles of carbon accumulation in arable soils are well known. The inclusion of clover/alfalfa/grass within the rotation is a central instrument to increase soil organic carbon. In addition, the regular application of rotted or composted farmyard manure within the rotation can increase soil organic carbon contents much more than the separate application of straw and cattle slurry. Humic substances, as a main stable p

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Sueoka, Y., M. Sakakibara, S. Sano, and K. Sera. "Heavy metal accumulation and the practical application of lichens as bioindicators for heavy metal pollution in surface soil." International Journal of PIXE 26, no. 03n04 (2016): 85–91. http://dx.doi.org/10.1142/s0129083517500024.

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Levels of trace element pollution in surface soil have been estimated using soil analyses and leaching tests. These methods may reveal different results due to the effect of soil properties on the elemental availability. Therefore, this study advocates an alternative method for monitoring and assessment of trace element pollution in surface soil using terricolous fruticose lichens. Lichens and their substrata were analyzed using particle induced X-ray emission (PIXE), inductively coupled plasma-mass spectrometry (ICP-MS) and XRF to clarify the relationships between Cu, Zn, As and Pb concentrat

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Goh, T. B., and R. E. Karamanos. "Copper fertilizer practices in Manitoba." Canadian Journal of Plant Science 86, no. 4 (2006): 1139–52. http://dx.doi.org/10.4141/p06-064.

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Soil testing criteria for copper (Cu) in Manitoba were established in the mid-1980s and were primarily based on growth chamber studies for a range of crop species. A multitude of Cu products and fertilizer placement methods are practiced with insufficient research in support of them. Hence, we attempted to develop agronomic and economic Cu fertilizer management practices for soils of Manitoba through a series of experiments for crop species at two locations with DTPA-extractable Cu levels of 0.12 and 0.25 mg kg-1 soil, respectively. These experiments involved broadcast and incorporation of CuS

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Meulemans, Germain. "Wormy Collaborations in Practices of Soil Construction." Theory, Culture & Society 37, no. 1 (2019): 93–112. http://dx.doi.org/10.1177/0263276419851857.

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This paper studies the capture of organisms and materials in soil construction – a branch of ecological engineering dedicated to making soil in order to compensate for soil degradation. This approach takes all organisms to be ‘ecosystem engineers’, and often refers to earthworms as ‘collaborators’ in making soil. I examine the claim that such a convocation of worms amounts to a redistribution of agency and the underlying assumption that form-taking is the shaping of raw matter according to pre-existing forms. Drawing on processual anthropology, I question the distinction between living and mat

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Bombino, Giuseppe, Pietro Denisi, Josè Gómez, and Demetrio Zema. "Water Infiltration and Surface Runoff in Steep Clayey Soils of Olive Groves under Different Management Practices." Water 11, no. 2 (2019): 240. http://dx.doi.org/10.3390/w11020240.

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When olive groves are cultivated on clayey soils with steep gradients, as in many Mediterranean areas, reducing the runoff and soil erosion rates by adopting proper soil management practices is imperative. A soil cover by pruning residues may represent an alternative to the commonly adopted mechanical tillage. This study evaluates the water infiltration rates and surface runoff volumes in a steep and clayey olive grove of Southern Italy. These hydrological variables are measured at the plot scale under four soil management practices (mechanical tillage, total artificial protection of soil and

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Roper, MM, and V. Gupta. "Management-practices and soil biota." Soil Research 33, no. 2 (1995): 321. http://dx.doi.org/10.1071/sr9950321.

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The soil biota consist of a large number and range of micro- and macro-organisms and are the living part of soils. They interact with each other and with plants, directly providing nutrition and other benefits. They regulate their own populations as well as those of incoming microorganisms by biological control mechanisms. Microorganisms are responsible for organic matter decomposition and for the transformations of organically bound nitrogen and minerals to forms that are available to plants. Their physical structure and products contribute significantly to soil structure. Management practice

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Zarraonaindia, Iratxe, Xabier Simón Martínez-Goñi, Olaia Liñero, et al. "Response of Horticultural Soil Microbiota to Different Fertilization Practices." Plants 9, no. 11 (2020): 1501. http://dx.doi.org/10.3390/plants9111501.

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Environmentally friendly agricultural production necessitates manipulation of microbe–plant interactions, requiring a better understanding of how farming practices influence soil microbiota. We studied the effect of conventional and organic treatment on soil bacterial richness, composition, and predicted functional potential. 16S rRNA sequencing was applied to soils from adjacent plots receiving either a synthetic or organic fertilizer, where two crops were grown within treatment, homogenizing for differences in soil properties, crop, and climate. Conventional fertilizer was associated with a

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Klimek, Andrzej, and Stanisław Rolbiecki. "Moss mites (Acari: Oribatida) in soil revitalizing: a chance for practical application in silviculture." Biological Letters 51, no. 2 (2014): 71–82. http://dx.doi.org/10.1515/biolet-2015-0007.

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Abstract The Oribatida (known as moss mites or beetle mites) increase the breakdown of organic material in the soil. The paper analyses the dynamics of their abundance and number of species after various treatments enriching the soil in 4 study areas: afforested post-agricultural area in the Tuchola Forest, afforested degraded post-military training area in Bydgoszcz-Jachcice, and forest nurseries at Białe Błota and Bielawy. The results show that in post-agricultural and degraded soils at the initial stages of forest succession, the density and number of species of oribatid mites were low, eve

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Ho, Soo Ying, Mohd Effendi Bin Wasli, and Mugunthan Perumal. "Evaluation of Physicochemical Properties of Sandy-Textured Soils under Smallholder Agricultural Land Use Practices in Sarawak, East Malaysia." Applied and Environmental Soil Science 2019 (February 6, 2019): 1–14. http://dx.doi.org/10.1155/2019/7685451.

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A study was conducted in the Sabal area, Sarawak, to evaluate the physicochemical properties of sandy-textured soils under smallholder agricultural land uses. Study sites were established under rubber, oil palm, and pepper land uses, in comparison to the adjacent secondary forests. The sandy-textured soils underlain in all agricultural land uses are of Spodosols, based on USDA Soil Taxonomy. The soil properties under secondary forests were strongly acidic with poor nutrient contents. Despite higher bulk density in oil palm farmlands, soil properties in rubber and oil palm land uses showed litt

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Jolanta, Bojarszczuk, KSIĘŻAK Jerzy, and GAŁĄZKA Anna. "Soil respiration depending on different agricultural practices before maize sowing." Plant, Soil and Environment 63, No. 10 (2017): 435–41. http://dx.doi.org/10.17221/597/2017-pse.

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The aim of the study was to compare soil respiration depending on different agricultural practices before sowing of maize (Zea mays L.). Results of the study were derived from the field experiment that was carried out in 2013–2015; the research indicates that soil respiration depends on cultivation method. The highest soil respiration was recorded in maize cultivation in monoculture using full tillage. The simplifications in maize cultivation caused a decrease of soil respiration, especially in direct sowing. The lowest level of this parameter was recorded in monoculture in direct sowing. Comp

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Krzywoszynska, Anna, and Greta Marchesi. "Toward a Relational Materiality of Soils." Environmental Humanities 12, no. 1 (2020): 190–204. http://dx.doi.org/10.1215/22011919-8142297.

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Abstract As environmental matters, soils have been an object of inquiry primarily for the natural sciences, with social scientists and environmental humanities scholars occupied with the surface dramas of territory and its products. The invisibility of soils in much of public and intellectual life speaks not only to the literal invisibility of their subterranean elements but also to their taken-for-granted effectiveness as the material infrastructure of societies. Today’s crisis of soil ecosystems calls for an urgent examination and improvement of human-soil relations. This is both an intellec

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DOBREI, Alina, Eleonora NISTOR, Florin SALA, and Alin DOBREI. "Tillage Practices in the Context of Climate Change and a Sustainable Viticulture." Notulae Scientia Biologicae 7, no. 4 (2015): 500–504. http://dx.doi.org/10.15835/nsb749724.

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The aim of this study was to identify the most appropriate options for maintenance of soil in vineyards located on flat land or mild slopes, and soils with a medium or high fertility. Tillage in the vineyard is carried out to preserve the soil loosening, for maintaining the humus and nutrients in soil, for activation of chemical and biological processes and last but not the least to maintain weed control. Choosing the most suitable system of vineyards floor management (middle rows, undervine, around vineyard) is a major problem which depends on preserving or enhancing soil fertility, improveme

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Pyle, Lysandra A., Linda M. Hall, and Edward W. Bork. "Soil properties in northern temperate pastures do not vary with management practices and are independent of rangeland health." Canadian Journal of Soil Science 99, no. 4 (2019): 495–507. http://dx.doi.org/10.1139/cjss-2019-0076.

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Studies examining the influence of disturbance and management history on pasture soils across a large sampling area are uncommon. We report on the soil properties found in 102 northern temperate pastures sampled in central Alberta, Canada, and relate these attributes to ongoing pasture management practices compiled from producer surveys and aboveground measures of rangeland health (RH). Tame pastures, typically seeded to introduced forages, were associated with higher soil fertility (total carbon, nitrogen, and organic matter) than semi-native grasslands, which were associated with coarse-text

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Santos, Walbert Júnior Reis dos, Nilton Curi, Sérgio Henrique Godinho Silva, Sebastião da Fonseca, Elidiane da Silva, and João José Marques. "Detailed soil survey of an experimental watershed representative of the Brazilian Coastal Plains and its practical application." Ciência e Agrotecnologia 38, no. 1 (2014): 50–60. http://dx.doi.org/10.1590/s1413-70542014000100006.

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This paper presents a detailed soil survey of an experimental watershed with representative pedoclimatic characteristics of the Coastal Plains in Espírito Santo State and its practical applications. For the pedological survey, 35 observation sites and three soil profiles were sampled and described, which were morphologically characterized and subjected to physical (particle size) and chemical analyses (routine and sulfuric acid digestion). The soil map was made using the geographic information system ArcGIS 9.3. This GIS software was also used to generate the digital elevation model (DEM) for

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WEBB, J., P. J. LOVELAND, B. J. CHAMBERS, R. MITCHELL, and T. GARWOOD. "The impact of modern farming practices on soil fertility and quality in England and Wales." Journal of Agricultural Science 137, no. 2 (2001): 127–38. http://dx.doi.org/10.1017/s0021859601001290.

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Data are presented on the effects of modern farming practices on soil as an agricultural resource in England and Wales (E&W), namely: nutrient status, pH, soil organic carbon (SOC), heavy metal concentrations, and on soil erosion risk. Fertilizer-N inputs to tillage (arable) and grassland soils increased from 84 and 65 kg/ha N in 1969 to 151 and 120 kg/ha N, respectively, in 1997. The estimated N surplus (inputs less outputs) increased from 84 and 96 kg/ha N to 102 and 154 kg/ha N, respectively, over the same time. Phosphorus inputs to tillage (mean 37 kg/ha P) and grassland (mean 21 kg/ha

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Stork, Nigel E., and Paul Eggleton. "Invertebrates as determinants and indicators of soil quality." American Journal of Alternative Agriculture 7, no. 1-2 (1992): 38–47. http://dx.doi.org/10.1017/s0889189300004446.

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AbstractInvertebrates are an integral part of soils and are important in determining the suitability of soils for the sustainable production of healthy crops or trees. We discuss the importance of the soil invertebrate fauna in relation to terrestrial habitats and global biodiversity as we understand it. We describe the role of the main invertebrate groups in soils, including earthworms, termites, springtails, and nematodes, and how they determine soil quality. Practical problems in dealing with the invertebrate fauna include sampling, taxonomy and availability of biological information on spe

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Tao, Y., W. Gu, J. Chen, J. Tao, Xu YJ, and H. Zhang. "The influence of land use practices on earthworm communities in saline agriculture soils of the west coast region of China’s Bohai Bay." Plant, Soil and Environment 59, No. 1 (2012): 8–13. http://dx.doi.org/10.17221/374/2012-pse.

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The effects of land use practices on soil fauna, especially earthworms, are poorly known in coastal saline agricultural soils. Here we compare earthworm communities in six types of land use practice in the coastal region of China&rsquo;s Bohai Bay, namely uncultivated saline soil, two orchard (pear and winter jujube) lands, man-made forests (chinese ash), vegetable land and cropped land (maize). In addition, we recorded selected physicochemical properties of the soil. Soil organic matter content and total N were significantly higher under pear orchard and vegetable land than under the othe

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Ogunwole, Joshua Olalekan, Luiz Fernando Pires, and Bello Muhammed Shehu. "Changes in the Structure of a Nigerian Soil under Different Land Management Practices." Revista Brasileira de Ciência do Solo 39, no. 3 (2015): 830–40. http://dx.doi.org/10.1590/01000683rbcs20140017.

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Quantification of soil physical quality (SPQ) and pore size distribution (PSD) can assist understanding of how changes in land management practices influence dynamics of soil structure, and this understanding could greatly improve the predictability of soil physical behavior and crop yield. The objectives of this study were to measure the SPQ index under two different land management practices (the continuous arable cropping system and natural bush fallow system), and contrast the effects of these practices on the structure of PSD using soil water retention data. Soil water retention curves ob

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Oluwole, Eludoyin Adebayo, Yetunde Mary Adelere, and Olusegun Olufemi Awotoye. "CHARACTERISTICS AND QUALITY Of SOILS UNDER SELECTED FARMING PRACTICES IN SOUTHWESTERN NIGERIA." GEOGRAPHY, ENVIRONMENT, SUSTAINABILITY 11, no. 3 (2018): 111–25. http://dx.doi.org/10.24057/2071-9388-2018-11-3-111-125.

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This study compared soil properties and quality under five different farm practices in a part of the southwest Nigeria. The study indicated that fewer soil properties accounted for more percentage change in total variance at the fallow and mono-cropping plots than at the forest, crop rotation and alley farming systems. It also showed that soils under fallow and mono-cropping systems exhibited the lowest quality values among the farm practices system studied. The study recommends improved soil management approaches in plots under mono-cropping practices, and extensive soil recovery programmes f

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Key, Georgina, Mike G. Whitfield, Julia Cooper, et al. "Knowledge needs, available practices, and future challenges in agricultural soils." SOIL 2, no. 4 (2016): 511–21. http://dx.doi.org/10.5194/soil-2-511-2016.

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Abstract. The goal of this study is to clarify research needs and identify effective practices for enhancing soil health. This was done by a synopsis of soil literature that specifically tests practices designed to maintain or enhance elements of soil health. Using an expert panel of soil scientists and practitioners, we then assessed the evidence in the soil synopsis to highlight practices beneficial to soil health, practices considered detrimental, and practices that need further investigation. A partial Spearman's correlation was used to analyse the panel's responses. We found that increase

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Chen, Chuan Sheng, and Hong Bin Xiao. "Liquefaction Potential of Clayey Soils from Wenchuan Earthquake-Induced Landslides." Advanced Materials Research 639-640 (January 2013): 850–53. http://dx.doi.org/10.4028/www.scientific.net/amr.639-640.850.

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It is commonly considered that liquefaction of sandy soils is the important reason for earthquake-induced landslides,but it has been reported liquefaction phenomenon can also occur in clayey soils in the recent research. In order to clarify liquefaction potential in clayey soils ,a deeper study was conducted on the basis of field investigation and a series of laboratory tests including undrained cyclic ring-shear tests on the clayey soil samples collected from the sliding zone of the Wenchuan earthquake-induced landslides. Results show that the liquefaction potential of clayey soils is lower t

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Rengasamy, P., and KA Olsson. "Sodicity and soil structure." Soil Research 29, no. 6 (1991): 935. http://dx.doi.org/10.1071/sr9910935.

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Sodic soils are widespread in Australia reflecting the predominance of sodium chloride in groundwaters and soil solutions. Sodic soils are subject to severe structural degradation and restrict plant performance through poor soil-water and soil-air relations. Sodicity is shown to be a latent problem in saline-sodic soils where deleterious effects are evident only after leaching profiles free of salts. A classification of sodic soils based on sodium adsorption ratio, pH and electrolyte conductivity is outlined. Current understanding of the processes and the component mechanisms of sodic soil beh

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Edmeades, D. C., R. M. Mcbride, and M. Gray. "An assessment of current fertiliser practices in New Zealand hill country." NZGA: Research and Practice Series 16 (January 1, 2016): 173–78. http://dx.doi.org/10.33584/rps.16.2016.3229.

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In the last decade major reviews on the phosphorus (P), potassium (K) and sulphur (S) nutrient requirements of clover-based pastures in New Zealand have been completed. This has resulted in adjustments to the P, K and S pasture production functions and some changes to the critical levels for soil tests, and modifications to our interpretation of some soil tests such as Organic S and Reserve K. Applying this new information to New Zealand's hill country pastoral soils, using case studies, suggests that there is considerable unrealized potential to increase productivity. Keywords: critical level

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AMPOFO, E. A. "Soil moisture dynamics in coastal savanna soils in the tropics under different soil management practices." Hydrological Sciences Journal 51, no. 6 (2006): 1194–202. http://dx.doi.org/10.1623/hysj.51.6.1194.

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García-Ocampo, Alvaro. "Fertility and soil productivity of Colombian soils under different soil management practices and several crops." Archives of Agronomy and Soil Science 58, sup1 (2012): S55—S65. http://dx.doi.org/10.1080/03650340.2012.700510.

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Wang, Jinman, Zhongke Bai, and Peiling Yang. "Simulation and Prediction of Ion Transport in the Reclamation of Sodic Soils with Gypsum Based on the Support Vector Machine." Scientific World Journal 2014 (2014): 1–9. http://dx.doi.org/10.1155/2014/805342.

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The effect of gypsum on the physical and chemical characteristics of sodic soils is nonlinear and controlled by multiple factors. The support vector machine (SVM) is able to solve practical problems such as small samples, nonlinearity, high dimensions, and local minima points. This paper reports the use of the SVM regression method to predict changes in the chemical properties of sodic soils under different gypsum application rates in a soil column experiment and to evaluate the effect of gypsum reclamation on sodic soils. The research results show that (1) the SVM soil solute transport model

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Van Ouwerkerk, C. "Soil husbandry. A practical guide to the use and management of soils." Soil and Tillage Research 17, no. 3-4 (1990): 328–30. http://dx.doi.org/10.1016/0167-1987(90)90046-g.

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Levshakov, L. V. "The usefulness of sulfur fertilizers for balanced nutrition of spring wheat on zonal soils of the south-western Forest steppe zone." E3S Web of Conferences 282 (2021): 05006. http://dx.doi.org/10.1051/e3sconf/202128205006.

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The importance of sulfur for a balanced nutrition of grain crops is demonstrated. The content of mobile forms of sulfur in the main zonal soils of the Kursk region – black soil and gray forest soils is given. Gray wooded soils have a low content of mobile sulfur in most areas of the region. The availability of sulfur in black soil ranges from low to medium. Practical studies on the effectiveness of different types and forms of using sulfur-containing mineral fertilizers in the cultivation of spring wheat on zonal types of soils in the south-western forest steppe of the Central Black Earth Regi

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Zebarth, B. J., D. L. Burton, J. Spence, and M. K. Khosa. "Simultaneous measurement of net nitrogen mineralization and denitrification rates in soil using nitrification inhibitor 3,5-dimethylpyrazole." Canadian Journal of Soil Science 100, no. 1 (2020): 1–10. http://dx.doi.org/10.1139/cjss-2019-0050.

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A practical means to quantify the response of the rates of net N mineralization and denitrification over a wide range of soil water contents is generally lacking. This study examined the potential to use a nitrification inhibitor (NI) assay system to simultaneously estimate the rates of net N mineralization and denitrification, and applied the NI assay to assess the effect of water content on net N mineralization and denitrification rates in two soils with contrasting soil texture. The compound 3,5-dimethylpyrazole (DMP) applied at a rate of 200 mg kg−1 was found to provide essentially complet

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Madruga, J., E. B. Azevedo, J. F. Sampaio, F. Fernandes, F. Reis, and J. Pinheiro. "Analysis and definition of potential new areas for viticulture in the Azores (Portugal)." SOIL 1, no. 2 (2015): 515–26. http://dx.doi.org/10.5194/soil-1-515-2015.

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Abstract. Vineyards in the Azores have been traditionally settled on lava field terroirs but the practical limitations of mechanization and high demand on man labor imposed by the typical micro parcel structure of these vineyards contradict the sustainability of these areas for wine production, except under government policies of heavy financial support. Besides the traditional vineyards there are significant areas in some of the islands whose soils, climate and physiographic characteristics suggest a potential for wine production that deserves to be the object of an assessment, with a view to

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Cerven, Vasile, Jeff M. Novak, Ariel A. Szögi, Kenneth Pantuck, Don W. Watts, and Mark G. Johnson. "The Occurrence of Legacy P Soils and Potential Mitigation Practices Using Activated Biochar." Agronomy 11, no. 7 (2021): 1289. http://dx.doi.org/10.3390/agronomy11071289.

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The long-term application of manures in watersheds with dense animal production has increased soil phosphorus (P) concentration, exceeding plant and soil assimilative capacities. The P accumulated in soils that are heavily manured and contain excess extractable soil P concentrations is known as legacy P. Runoff and leaching can transport legacy P to ground water and surface water bodies, contributing to water quality impairment and environmental pollution, such as eutrophication. This review article analyzes and discusses current and innovative management practices for soil legacy P. Specifica

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Mandal, Biswapati, and G. C. Hazra. "ZINC ADSORPTION IN SOILS AS INFLUENCED BY DIFFERENT SOIL MANAGEMENT PRACTICES." Soil Science 162, no. 10 (1997): 713–21. http://dx.doi.org/10.1097/00010694-199710000-00004.

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Anderson, WK, RJ French, and M. Seymour. "Yield responses of wheat and other crops to agronomic practices on duplex soils compared with other soils in Western Australia." Australian Journal of Experimental Agriculture 32, no. 7 (1992): 963. http://dx.doi.org/10.1071/ea9920963.

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A survey of experimental results relating crop management to grain yield was conducted for wheat and other crops on duplex and non-duplex soils in the wheatbelt of Western Australia. Increases in grain yield of wheat due to improved agronomic practices on duplex soils were almost as great as on other soils. Early sowing improved yield more on duplex soils than on other soils, but the response to applied nitrogen was more variable, possibly related to the reduced efficiency of uptake of applied nitrogen. The yield advantage for a semi-dwarf cultivar (Aroona) over a tall cultivar (Garnenya) was

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Tulin, Anabella, and Victor Asio. "Indigenous Knowledge and Nutrient Management Practices of Farmers Growing Sweetpotato in the Uplands of Pinabacdao, Samar." Science and Humanities Journal 07, no. 1 (2007): 1–20. http://dx.doi.org/10.47773/shj.1998.071.1.

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This study aimed at determining if the sweetpotato growers in the locality of Parasanon, Pinabacdao, Samar possess certain local knowledge about their soil and crops, particularly sweetpotato. Informal and formal interviews were the primary methods used in gathering information for the study. The demographic traits of the farmers clearly differed but they adhered to the same knowledge system regarding the attributes of the soil in their native dialect, the farmers have a soil classification scheme based on textual characteristics and certain indicators of soil fertility and plant health. Moreo

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Chen, Shutao, and Yao Huang. "Soil respiration and N2O emission in croplands under different ploughing practices: a case study in south-east China." Soil Research 47, no. 2 (2009): 198. http://dx.doi.org/10.1071/sr07225.

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Studies on the CO2 and N2O emission patterns of agricultural soils under different ploughing practices may provide an insight into the potential and magnitude of CO2 and N2O mitigation in highly managed farmland soils. In this study, field measurements of soil respiration and N2O flux with different ploughing depths were performed in the 2003–04 wheat (Triticum aestivum L.), 2004 maize (Zea mays L.), and 2004–05 wheat seasons. Soil temperature and moisture were simultaneously measured. Results showed that, in each cropping season, the seasonal variation in soil respiration developed with a sim

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Zhao, Yajie, Caiyan Lu, Yi Shi, Bin Huang, and Xin Chen. "Soil fertility and fertilization practices affect accumulation and leaching risk of reactive N in greenhouse vegetable soils." Canadian Journal of Soil Science 96, no. 3 (2016): 281–88. http://dx.doi.org/10.1139/cjss-2015-0058.

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Elevated soil fertility levels induced by continuous chemical fertilizer and (or) manure application may affect N loss potential and redistribution within soil-crop system. A 49-d packed soil column experiment with a factorial design of three soil fertility levels and four fertilization treatments was conducted to evaluate the effects of soil fertility and fertilization treatments on the accumulation and leaching risk of reactive N. The results showed that the 49-d cumulative leaching loss of total reactive N ranged from 176.3 to 499.0 kg N ha−1. The cumulative leaching losses of total dissolv

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