Soil Disposition
Mostrando 1-12 de 21 artigos, teses e dissertações.
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1. Large strain consolidation analyses of fine tailings disposal in mining pits
Abstract Herein, three-dimensional analyses of large strain consolidation applied to tail ings disposal in mining pits is studied. The main goal is to estimate filling time and, ac cordingly, the capacity of the pit. Other useful results, such as dry density profiles and water pore pressure generation are also obtained. Two different slimes from the iron or
REM, Int. Eng. J.. Publicado em: 2020-09
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2. Preserve Planet EARTH. If not you, WHO? If not Now, WHEN?
Abstract Herein, three-dimensional analyses of large strain consolidation applied to tail ings disposal in mining pits is studied. The main goal is to estimate filling time and, ac cordingly, the capacity of the pit. Other useful results, such as dry density profiles and water pore pressure generation are also obtained. Two different slimes from the iron or
REM, Int. Eng. J.. Publicado em: 2020-09
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3. Carbon pool ratios as scientific support to field morphology in the differentiation of dark subsurface soil horizons
In soil surveys, it is usual to find profiles with an uncommon disposition of horizons. Dark horizons in depth might be either the consequence of erosion and redeposition of soil materials from upslope or an indication of the podzolization process, which forms a spodic horizon. Few laboratory analyses are known to characterize dark subsurface horizons which
Sci. agric. (Piracicaba, Braz.). Publicado em: 2015-08
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4. Evaluation of the environmental sustainability of massive forestry fragments of the coastal plain and lower slopes of Bertioga (SP) / Avaliação da sustentabilidade ambiental dos fragmentos de maciços florestais da planície costeira e baixa encosta do município de Bertioga (SP)
The São Paulo coastal zone alternates extensive zones of great diversity of biotopes with others intensively degradated. These characteristics are observed in the municipality of Bertioga and its forest regions localized among Itaguaré and Guaratuba river basins. Due to their special characteristics these basins are denominated Bertioga System. The aim of
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 01/11/2012
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5. Digital soilscape mapping of tropical hillslope areas by neural networks
Geomorphometric variables are applied in digital soil mapping because of their strong correlation with the disposition and distribution of pedological components of the landscapes. In this research, the relationship between environmental components of tropical hillslope areas in the Rio de Janeiro State, Brazil, artificial neural networks (ANN), and maximum
Scientia Agricola. Publicado em: 2011-12
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6. Disposição de efluentes da suinocultura em solo : estudo de caso / Disposition of swineculture wastewater in soil : case study
O presente trabalho discorre sobre o estudo de caso realizado em propriedade suinícola, situada no município de Descalvado S.P., onde, desenvolveu-se em várias frentes, compreendendo-se em um estudo qualitativo dos efluentes provindos da produção zootécnica de suínos através de analises físico-químicas. Posteriormente compararam-se os parâmetro
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 24/02/2010
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7. Seleção de áreas aptas a disposição de lodo de estações de tratamento de esgoto com fins agrícolas / Selection of areas suitable for the disposal of sludge stations sewage treatment for agriculture
Overcrowding in urban centers has spawned many impacts on the environment, highlighting the waste generated by their activities. To properly allocate these wastes, technologies are developed such as those involved in sewage treatment. However, this form of treatment also generates waste, which must be treated and disposed of properly. The sludge is a byprodu
Publicado em: 2010
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8. Atributos químicos de neossolo flúvico do semiárido de Pernambuco cultivado com tomateiro irrigado com águas salinas / Chemical attributes of the semiarid Fluvic Neossoil Pernambuco cultivated with tomato irrigated with saline water.
The increasing demand for food in the world makes irrigation a technique of fundamental importance, especially in arid and semi-arid regions, like much of the Brazilian Northeast, where drought occurs in most of the year. However, the use of irrigation without proper management of soil-water-plant-salinity may cause serious environmental problems, social and
Publicado em: 2010
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9. Resposta de forrageiras à diferentes doses de lodo de curtume de tecnologia limpa em condições controladas e a campo / Response of forage to different doses of sludge from tannery of "clean technology" under controlled conditions and field
Industrial processes generate waste such as sludge from tannery "clean technology" that can be used in agriculture, to increase the productivity and supply of nutrients to the soilplant system. On this basis it was aimed to assess the feasibility of using primary sludge from a tannery in clean technology in the fertilization of pasture grasses and forage leg
Publicado em: 2009
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10. Evaluation of agricultural productivity and of metals concentration in grains of corn irrigated with anaerobic effluent / Avaliação de produtividade agricola e de concentrações de metais nos grãos, de cultura de milho irrigada com efluente anaerobio
This work had the objective to evaluate the impact of wastewater irrigation on the productivity of corn using effluent from an anaerobic pond, and on physico-chemical and microbiological system soil-water-plant. Using the technique of irrigation by shallow furrows, will be tested 3 treatments corresponding to fertilizer and natural water available, effluent
Publicado em: 2008
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11. Estudo comparativo da aplicaÃÃo de vinhaÃa tratada e in natura em solos sob cultivo de cana-de-aÃÃcar
Brazil is the world leader in sugarcane plantation. Its economical exploration generates residues, standing out the vinasse. Due to the problems of ecological and social order caused by the vinasse, the most plausible solution for its disposition is the application to the soil as fertilizer. However, that application requests studies to guide the management
Publicado em: 2008
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12. ESTUDO QUÍMICO DO SOLO E LIXIVIADO DO ATERRO CONTROLADO DO BOTUQUARA
Currently, the production and storage of solid residues have generated a discuss range about linked aspects to the disease propagation and environment damage, mainly due to the formation of leach and its infiltration, could cause earth contamination, flow and ground water. The final disposition place of trash at Ponta Grossa city started out in 1969, in an a
Publicado em: 2008