• Influência do número de passadas do “harvester” na compactação de uma trilha de exploração florestal. 

  FERNANDES, Haroldo C.; VITÓRIA, Edney Leandro da. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)

  This presence the machine affect of soil structure on condition of compaction. In this manner, this work had the principal aims the valuation to effect the number for steps the Harvester in the trash compaction for forest ...
• Importancia del registro horario de trabajo para la selección de maquinaria agrícola en el N.O.A. 

  NEME, Atilio Mario.; ECHENIQUE, José Augusto.; SALAZAR, Elsa Beatriz.; REGAZZONI, Juan Ernesto.; ZAMORANO, Gabriel. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)

  It was evaluated in field the different agricultural machines performance in 78 diverse work situations. They were determined variable that influence on the efficiency using the field and hourly work record - scheduling ...
• Influência da época, sistemas de semeadura e controle de plantas daninhas na produtividade de milho ( zea mays l.). 

  SALVADOR, Nilson.; SOUZA, Luiz Carlos Ferreira de.; MION, Renildo Luiz.; SILVA, Fábio Moreira da. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)

  The present work was undertaken on the experimental campus of the Universidade Federal de Lavras, on a soil classified a dystrophic dusky red Latosol, clayey texture, with a view to evaluating the influence: a) of the time ...
• Força de tração obtida com integrador de força e sistema computadorizado, operando um rolo faca. 

  SILVA, Suedêmio de L.; BENZ, Sérgio Hugo.; LEVIEN, Renato.; SIQUEIRA, Rubens. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)

  With the aim comparing two forms of data acquisition of power demand in drawing a cutting roller, an experiment was conducted at the Fazenda Experimental Lageado, Botucatu, SP. The data obtained by means of a power ...
• Incidência de plantas daninhas e produtividade de milho ( zea mays l. ) em função de sistemas de semeadura e de cultivo. 

  SOUZA, Luiz Carlos Ferreira de.; SALVADOR, Nilson.; MION, Renildo Luiz.; DINIZ, Ana Amélia. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)

  This research work was undertaken at the Universidade Federal de Lavras, on a Dark Red Latosol, dystrophic and of clayey texture with the purpose of evaluating the effect of 2 sowing systems and 9 cultivation systems upon ...
• Extrator de amostra indeformada de solo - CNPA. 

  MEDEIROS, José da Cunha.; SILVA, Odilon Reny R.F. da.; PEREIRA, Jogerson P.G. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)

  The main purpose of this work was to obtain an undisturbed soil core sampler for uniform, rock-free and rock soils. The apparatus was developed by Embrapa-Algodão at Campina Grande, PB, Brasil. The equipament was based on ...
• Estudo do desempenho operacional de dois protótipos de mecanismos dosadores de precisão para cultura de amendoim (arachis hypogaea). 

  BERNARDI, José Augusto.; COELHO, José Luiz Duarte. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)

  The objective of this paper is the valuation of two prototypes of precision seeding mechanisms specifically developed to peanut crop. Both mechanisms are vertical rotors, with 16 cells to seeds each one. The difference is ...
• Estudo de torque e rotação aplicado em duas formas geométricas de lâminas de enxada rotativa. 

  RIBEIRO, Admilson Írio.; MACIEL, Antônio José da Silva.; GAMERO, Carlos A. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)

  Lâminas, torque, rotação This paper describes a estudy of case comparing the rotation and torque applied on two geometric shapes of rotary tillers blade working on sand soil. The values were measured by a data acquisition ...
• Estimativa da compactação do solo pelo método da curva de compactação virgem do solo. 

  OLIVEIRA, Milson Lopes de.; BARBOSA, Jackson Antônio.; SOUZA, Caetano Marciano de.; DIAS, Gutemberg Pereira. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)

  This research evaluated the effect soil compaction in function soil’s density and depth of furrow left through tractor of wheeled with different level of footing with view the compare the aftermath on field with the value ...
• Efeito da trilha mecânica na qualidade do milho de pipoca: simulação e análise. 

  SOUZA, Cristiano Márcio Alves de.; PINTO, Francisco de Assis de Carvalho.; MANTOVANI, Evandro Chartuni.; MANTOVANI, Bárbara Helionora Machado. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)

  The objective this work was to evaluate the effect of the mechanical threshing in the popcorn quality and to develop a software for simulating of the harvest process of a machine with bar cylinder and concave mechanism. ...
• Evolução da camada compactada em diferentes tipos de preparo do solo. 

  LUCARELLI, José Ricardo de Freitas.; DANIEL, Luiz Antonio.; ESPÍNDOLA, Carlos Roberto. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)

  This work evaluated the development of a compacted layer in different types of soil management practices. It was developed on Oxissoils, at the Experimental Field of the School of Agricultural Engineering/UNICAMP. The ...
• Estabelecimento de plantas de feijão sob deficiência hídrica, em diferentes sistemas de manejo do solo. 

  BOLLER, Walter.; GAMERO, Carlos Antonio. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)

  Three soil tillage systems: P1 (disk plow plus disc harrowing twice), P2 (rotary tillage) and P3 (chisel plowing) combinated with four soil cover conditions: C1 (black oat), C2 (rye), C3 (forrage radish) and C4 (fallow), ...
• Efeito da pressão de enchimento e desgastes das garras e frisos na elasticidade vertical de pneus de tratores agrícolas. 

  INOUE, Gerson Haruo.; DIAS, Gutemberg Pereira.; QUEIROZ, Daniel Marçal de.; FREITAS, Marcelo do Carmo. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)

  The objective of this work was to study the agricultural tractor tire deformation. The tire deformation is an important factor that define the ride vibration, the lateral stability and traction capacity of a tractor. In ...
• Efeito da aplicação de cargas dinâmicas no rompimento da casca da noz macadâmia utilizando várias geometrias de indentes. 

  RODRIGUES, André Luis Gunes.; FERRAZ, Antonio Carlos de Oliveira. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)

  In this paper the effects of impact load using six different conical indentors to crack macadamia nut shells are analysed. The direction of load application in relation to the shell is considered. The apical direction ...
• Esforço tratório requerido por quatro arados no preparo do solo. 

  MACIEL, Antônio J. da Silva.; BOLLER, Walter.; GAMERO, Carlos A.; GABRIEL FILHO, Antonio. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)

  Because primary soil tillage is considered the highest energy and time demanding operation, plowing is one of the refences for selection of tractor power. In a Terra Roxa Estruturada soil at the Fazenda Experimental ...
• Efecto de la descentralización del taller de maquinaria de un predio frutícola de gran tamaño, sobre los costos de producción. 

  LÓPEZ, Marco Roudergue.; IBÁÑEZ, Mario Cifuentes. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)

  This study measures the effect produced by the decentralization of keeping, maintenance and supplying place for the machinery used in a property with more than 1.000 ha. of orchard, in the production costs. The main ...
• Efeito do teor de água e da pressão aplicada na densidade do solo. 

  PEREIRA, Joaquim Odilon.; BENEZ, Sérgio Hugo.; SILVA, Suedêmio de Lima.; SILVA, Maury Torres da. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)

  The water content effect applied pressure were analyzed on “Terra Roxa Estruturada”, on classes of aggregates of 0 to 2.5 mm; 2.5 to 5.1 mm; 5.1 to 9.4 mm and 9.4 to 19.3 mm. There has been used water content rates of ...
• Efeito de diferentes métodos de controle de invasoras na compactação do solo da cultura do café. 

  SILVEIRA, Gastão Moraes da.; PEREIRA, José C.V.A.; CATANEO, Angelo. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)

  This research aimed to study the effects of different methods of weed control on the soil compaction in a 14 years old coffee trees, after 12 seasons. The control of the weed plants was performed by mechanical, chemical ...
• Dispositivo pneumático para redução dos erros de dosagem e deposição de sementes. 

  CASÃO JUNIOR, Ruy.; PALLEROSI, Carlos Amadeu.; PORTELLA, José Antonio. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)

  A precision pneumatic metering and transport system for seeds was developed. This system can be adapted for continuous flow. It includes a valve for conversion of pressure to vacuum and a pneumatic metering system coupled ...
• Dispositivo para remoção de palha de cana-de-açúcar durante a colheita. 

  TANAKA, Fabio O.; MAGALHÃES, Paulo S.G.; BRAUNBECK, Oscar A. (BrasilUFCGUniversidade Federal de Campina Grande, 1997)

  A design and evaluation of a whole stick sugarcane trash remove system by oscillating cylinders with differential angular velocity is described. A single variety of sugarcane is used during the evaluation testes, where ...

Ver mais