26º CONGRESSO BRASILEIRO DE ENGENHARIA AGRÍCOLA - CAMPINA GRANDE - UFPB 1997: Recent submissions

  • Utilização da análise multivariada na escolha de melhores tratamentos em ensaio de desempenho de enxada rotativa. 
    CATANEO, Angelo.; GAMERO, Carlos Antonio. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)
    Multivariated methods of cluster and principal components analysis were applied in observations of rotary tiller performance in a experimental design, with 36 treatments, initially outlined in random blocks, having as an ...
  • Responsabilidad del peso y la presión en la compactación de suelos labrados. Parte II: cama de siembra. 
    BOTTA, Guido.; JORAJURIA, Daniel.; DRAGHI, Laura. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)
    Low trafficability and high compactability characterizes a soil where secondary tillage was done in order to prepare a seedbed profile. In spite of low values of traffic intensity needed during seeding operations, severe ...
  • Um método de interpretação de análises de óleos lubrificantes de tratores agrícolas. 
    BORMIO, Marcos Roberto.; FERNANDES, João Candido. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)
    The objective this work was make an method from interpretation of the data obtained in the lubricant oil analysis . The metodology used is the relation existent between the several tests utilize on lubricant oil analysis. ...
  • Simulação do sistema de transmissão de potência em tratores de esteiras de borracha. 
    QUEIROZ, Daniel Marçal de; GIBSON, Harry G (BrasilUFCGUniversidade Federal de Campina Grande, 1997)
    A mathematical model was implemented to simulate the performance of the rubber-tracked tractors. In this model, the power transmission system was simulated including sub-models for the engine, gear box, differential ...
  • Sistemas mecanizados para implantação de floresta: II - crescimento inicial e sobrevivência. 
    SILVA, Jair Rosas da.; HOPPE, Juarez Martins. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)
    This work was carried out on a 65% sandy-Red-Yellow-Podzolic soil in Santa Maria area, Rio Grande do Sul State, whose objective was to research more indicated systems to establish a Eucalyptus grandis Hill ex Maiden ...
  • Resistência à penetração na soleira em solo preparado com diferentes tipos de arados. 
    GABRIEL FILHO, Antonio; SIQUEIRA, Rubens; BOLLER, Walter; FURLANI, Carlos Eduardo Angeli (BrasilUFCGUniversidade Federal de Campina Grande, 1997)
    A study was realized on soil resistance to penetration at the threshold caused by four plow-types, respectively three moldboard plows (usual moldboard, special notched moldboard, and square plow), and one diskplow, in a ...
  • Protótipo de semeadora para arroz pré-germinado. 
    BARBEJAF, M. E. R. P; PRATA FILHO, D. A; BIONDI, M; LEAL, Rodrigo Silva (BrasilUFCGUniversidade Federal de Campina Grande, 1997)
    Pre-germinated rice seeding have been presented great operational difficult in Brazil. We still don’t have a simple mechanical equipment already tested and approved. Nowadays the most agriculture workers use manual ...
  • Planejamento de um sistema mecanizado agrícola. 
    MILAN, Marcos; COELHO, J. L. D; BARBOZA, M. M (BrasilUFCGUniversidade Federal de Campina Grande, 1997)
    Computers model are one of the most important tools to evaluete agricultural machinery systems. The purpose of this work is to build and use a model in order to analyse a set of machinery farm, including six crops in a ...
  • Metodologia para redução do ruído em tratores agrícolas, sem o uso de cabines. 
    FERNANDES, João Candido; BORMIO, Marcos Roberto; SANTOS, João Eduardo Guarnetti dos (BrasilUFCGUniversidade Federal de Campina Grande, 1997)
    The target this work was systematize a methodology for agricultural tractors noise level atenuation, without the cabin use. The method performs on two tractor noise source: the engine exhaustion system and the radiator ...
  • Medidor de microrrelevo. 
    MARQUES, João Paulo; PEREIRA, Jógerson Pinto Gomes (BrasilUFCGUniversidade Federal de Campina Grande, 1997)
    The soil surface roughness index is obtained by microrelief survey . To know about this physical parameter permit to take important technique decisions in relation to soil conservation and planting management. To facilitate ...
  • Resistência ao rolamento de tratores de pneus em diferentes tipos de superfícies. 
    BARBOSA, Jackson Antônio.; OLIVEIRA, Milson Lopes de.; VILIOTTI, Carlos Alberto.; DIAS, Gutemberg Pereira. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)
    The objective of this work was to compare the rolling resistance predicted by McKibben and Davidson equation with the experimental data obtained in field. The tests was done over three different kinds of rolling surface, ...
  • Propiedades físicas del suelo y biomasa de maíz en función de diferentes sistemas de labranza. 
    RESSIA, Juan.; MENDIVIL, Gustavo.; BALBUENA, Roberto.; CHIDICHIMO, Hugo. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)
    Field experiment was carried out with the objetive to evaluate tillage systems effects upon soil fysical properties and corn biomass. Moldboard plow, chisel plow and no till were tested on a previous disking Tipycal ...
  • Perdas de trigo, de soja e de milho x umidade de grão durante a colheita mecanizada. 
    PORTELLA, José Antonio. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)
    During the process of mechanical harvesting losses occur as a consequence of internal mechanisms of the combine. There are different causes for these losses, among which the grain moisture during harvesting is the main ...
  • Responsabilidad del peso y la presión en la compactación de suelos labrados. Parte I: Lecho de raíces. 
    JORAJURÍA, Daniel.; BOTTA, Guido.; DRAGHI, Laura. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)
    The aim of this paper was to quantify soil compaction induced by tractor traffic on a recently tillaged soil. Secondary tillage traffic was simulated by one pass of a conventional (2WD) tractor, using four different sizes ...
  • Otimização e avaliação de um distribuidor de calcário por gravidade. 
    CABALLERO, Felipe César Campos.; OLIVEIRA, Natanael Victor de.; PINHEIRO NETO, Raimundo. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)
    Modifications have been introduced into the distribution mechanism of the IMASA limestone distribution equipament (the modified equipament has been then called optimized machine or optimized distributor). A conventional ...
  • Regularidade de distribuição de sementes e de fertilizantes em semeadoras para plantio direto. 
    PORTELLA, José Antonio.; SATTLER, Arcenio.; FAGANELLO, Antonio. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)
    This study aimed at assessing direct drills available in the Brazilian market as to their uniform distribution of seeds and fertilizers. The tests were carried out under two speeds of seeding during 1993 and 1994 on corn ...
  • Interplantio mecanizado cereal-floresta em solo podzólico vermelho amarelo. 
    SILVA, Jair Rosas da.; MORAES, Davison Antônio de. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)
    This work was carried out on a low-fertility Red Yellow Podzolic soil containing 79%- sand and 11%-clay in A horizon, at Itapetininga Forestry Experiment Station, at São Paulo State, Brazil. The objective was to evaluate ...
  • Qualidade do óleo diesel armazenado em propriedades agrícolas no norte do Estado do Paraná. 
    ABI SAAB, Otavio Jorge Grigoli.; OLIVA Filho, Sillas.; RALISCH, Ricardo.; COELHO, Renato Palma.; ZORATO Júnior, Antonio Carlos. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)
    This paper is the result of a field survey performed in farms located in North Paraná, Brazil. The diesel oil used in agricultural tractors was adequate according to the specifications of the Brazilian Ministry of Mines ...
  • Perfil do solo mobilizado: amostragem em ensaios de campo. 
    GAMERO, Carlos A.; CATANEO, Angelo.; SIQUEIRA, Rubens. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)
    The profile of soil mobilized by means of plowing in 24 plots of 350m2, was evaluated. Profiles were determined in three positions (respectively at 5, 25 and 45m distant from the beginning of each 50m long plot). It was ...
  • Observações no efeito da destruição mecânica das camadas compactadas do solo: mudanças físico-químicas. 
    OGAWA, Kazuo.; FRANZ, Claudio Alberto Bento.; FOLLE, Sergio Mauro. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)
    This research was conduced to observe the effect of compacted layer destruction of soil by disk plow, mouldboard plow, heavy disk harrow and subsoiler(this in two different soil water condition) in a field of Dark Red ...

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