1000 resultados para Piracicaba (SP) - Geografia
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A produção sob cultivo protegido é uma prática relativamente recente no Brasil e a área com tomate nesse ambiente vem crescendo a cada ano, e junto com esse crescimento, cresce também a falta de informações técnicas apropriadas para as nossa condições. Este trabalho avaliou a quantidade absorvida e os teores de micronutrientes pelo tomateiro em ambiente protegido. Foram utilizados diferentes fertilizantes, via solo, foliar e fertirrigação, foi utilizada a cultivar Lúcia, o experimento foi instalado em Piracicaba-SP, no período de dez/95 a março/96. O delineamento utilizado foi o aleatorizados em blocos, com três tratamentos e seis repetições. em média, a planta apresentou na época do florescimento (35 dias após transplante) a seguinte concentração em mg kg-1: 56,1 de B; 107,8 de Cu, 440,4 de Fe; 313,8 de Mn e 194,9 de Zn. Para uma produção de 10.2 kg m-2 a planta extraiu em g m-2: 0,0274 de B; 0,0826 de Cu; 0,1694 de Fe; 0,1702 de Mn e 0,1133 de Zn.
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Regarding tropical forage plants, the specie Brachiaria ruziziensis are prominence for to be most acceptable for cattle when compared with others Brachiaria species, besides the excellent competitive ability with weeds. Then, this study aimed to evaluate the effects of Brachiaria ruziziensis density in intercropping with corn crop, about weeds control and weeds development in the crop-cattle integration system. The experiment was realized during the period between December/2007 to May/2008, in the experimental area of Escola Superior de Agricultura "Luiz de Queiroz", Piracicaba - SP. The treatment was composed in a factorial arrangement, by combination of four Brachiaria ruziziensis density (0, 10, 15 and 20 kg ha(-1)) and three weed species ((Ipomoea grandifolia, Digitaria horizontalis e Cenchrus echinatus), in intercropping with corn crop. The evaluations realized were: weed infestation (density m(-2)), the dry biomass (g plant(-1)) and leaf area (cm(2) plant(-1)). It was noted that Brachiaria ruziziensis reduced the all of weeds infestation evaluated. Also, it was checked that Digitaria horizontalis and Ipomoea grandifolia were the weeds with most difficult control.
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The present work evaluated urban forest indicators, acquired through airborne high-resolution multiespectral images, on the quality of the urban design and its vegetative fraction, in special its trees, in nine neighborhoods of Piracicaba, SP. There were made supervised classifications for characterization of intra-urban elements and the proportions obtained, as exposed soil, tree cover, lawns, asphalt, concrete pavements and roofs. They were studied for the measurement of the urban forest in each place. These variables were related to each other, as well as with the independent variables: population density, people with more than fifteen years of study and family heads with income above twenty minimum wages, obtained through population census. Through the analysis of linear regression variables were identified for intra-urban areas evaluation. Correlations were made and linear regressions among the data obtained from the image and among the proposed indicators. Negative correlations were obtained among population density and arboreal covering and the evaluated indices, in accordance with the predicted in the literature. Composite indicators are proposed, as: the proportion between arboreous space on waterproof space (PAW) and the proportion between arboreous space on building space (PAB). It is concluded by the possibility of the use of those indicators for evaluation of the urban forest and definition of priorities in the execution of ordinances to the improvement of the urban forestry, being prioritized the application of resources in the most lacking neighborhoods.
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Due to lack of environmental protection with which the process of burying the corpses was conducted over the decades, many cemeteries have become areas contaminated by organic and inorganic substances and pathogenic microrganisms. This paper presents the results of electrical imaging in delineation of areas potentially contaminated by necrochorume in the municipal cemetery of Vila Rezende, Piracicaba - SP. The results indicate a depth of water table among 3,1 and 5,1 m, with two flow directions, being one to SW and another to SE. So the probable contamination plume, that has the same directions of underground flow, as for the conductive anomalies verified at the geoelectrics sections confirm the suspicions of contamination in the area. The probable plume the SE is prolonged to out of the cemetery. The location of the conductive anomalies and likely contamination plumes demonstrated that the contamination is linked with the depth of water table level and the burial time.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Pós-graduação em Alimentos e Nutrição - FCFAR
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Geociências e Meio Ambiente - IGCE
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Pós-graduação em Agronomia (Horticultura) - FCA
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Medicina Veterinária - FMVZ