RSS 1.0Departamento de Engenharia Rural
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Parameters affecting the mechanical digging of peanut crops from three different shaped plots
Borba, Matheus Anaan de Paula
; da Silva, Rouverson Pereira ; dos Santos, Adão Felipe ; Damasceno, André Ferreira ; Zerbato, Cristiano (Australian Journal of Crop Science, 2018) [Artigo]
The mechanical harvesting efficiency of agricultural crops affects operational quality and production costs while being dependent on plot shape, operation planning, and management. Therefore, this study evaluated the ... -
Productivity and technological quality of sugarcane cultivars fertigated and planted through pre-sprouted seedlings
Coelho, Anderson Prates; Dalri, Alexandre Barcellos ; de Faria, Rogério Teixeira ; Landell, Estêvão Pacheco de Andrade ; Palaretti, Luiz Fabiano ; Zanini, José Renato ; Zerbato, Cristiano (Australian Journal of Crop Science, 2018) [Artigo]
The increase in sugarcane production in Brazil does not only depend on the increase of cultivated areas. It also needs alternatives to increase productivity. These alternatives include irrigation, planting method, and ... -
Position errors in sowing in curved and rectilinear routes using autopilot
dos Santos, Adão F.; Correa, Lígia N. ; Gírio, Lucas A.S. ; ; da Silva, Rouverson P. (Engenharia Agricola, 2018) [Artigo]
The use of automatic routing significantly increases the yield and quality of agricultural operations and reduces the overlap rates between the mechanized set passes during the operation. The objective of this study was ... -
Water stress index on sugarcane in different developmental phases
Brunini, Rodrigo Garcia; Turco, José Eduardo Pitelli (Ciencia e Agrotecnologia, 2018) [Artigo]
Brazil is the world leader in the production of sugar and ethanol due to its intensive cultivation of the sugarcane crop, mainly in the Southeast region of the country. However, its expansion into other areas has gained ... -
Effects of Murumuru (Astrocaryum murumuru Mart.) and soybean biodiesel blends on tractor performance and smoke density
Neves, Murilo Coelho Theodoro; Lopes, Afonso ; de Oliveira, Melina Cais Jejcic ; Iamaguti, Priscila Sawasaki ; Lira, Thyago Augusto Medeiros ; Moreti, Thaisa Calvo Fugineri ; de Lima, Leomar Paulo ; Koike, Gilberto Hirotsugu Azevedo (Australian Journal of Crop Science, 2018) [Artigo]
The usage of biodiesel, a renewable and biodegradable fuel, is becoming increasingly popular. The objective of the study was to evaluate the operational performance-tractor forward speed, drawbar power, and fuel consumption-and ... -
Multivariate analysis of peanut mechanized harvesting
Noronha, Rafael H.F.; Zerbato, Cristiano ; da Silva, Rouverson P. ; Ormond, Antonio T.S. ; de Oliveira, Mailson F. (Engenharia Agricola, 2018) [Artigo]
The peanuts harvesting mechanization is affected by the soil physical characteristics and it may increase the losses due to the production of pods in subsurface. The objective of the experiment was to identify the clusters ... -
Performance of a special tractor as a function of ballasting and front-wheel drive in coffee harvesting
Tavares, Tiago de Oliveira; Borba, Matheus Anaan de Paula ; Gallo, Luís Alexandre Michelli ; Gírio, Lucas Augusto da Silva ; Paixão, Carla Segatto Strini ; da Silva, Rouverson Pereira (Coffee Science, 2018) [Artigo]
One of the main concerns before agricultural mechanization is the fuel cost from an economic and environmental point of view. In some literature, it has been demonstrated that the adequacy of tractors is directly related ... -
Quality of mechanical soybean harvesting at two travel speeds
De Lima, Felipe B.F.; Da Silva, Michel A.F. ; Da Silva, Rouverson P. (Engenharia Agricola, 2017) [Artigo]
Soybean harvesting is the last operation performed in the field and therefore has high added value. Quantitative losses during this process should therefore be minimized to achieve maximum quality and increase the ... -
Monitoring of soybean mechanical harvesting as a function of plot shapes
Paixão, Carla S.S.; Alcântara, Aline S. ; ; da Silva, Rouverson P. ; Tavares, Tiago de O. (Engenharia Agricola, 2017) [Artigo]
Information on harvester performance is important in the management and optimization of mechanized agricultural systems. In this sense, the aim of this study was to monitor the operation quality of soybean mechanical ... -
Effective power and hourly fuel consumption demanded by set tractor- coffee harvester in function of adequacy tractor ballasting
Tavares, Tiago de O.; Damasceno, André F. ; ; da Silva, Rouverson P. ; Furlani, Carlos E.A. (Engenharia Agricola, 2017) [Artigo]
The mechanized gathering process of sweeping coffee is extremely important to reduce the losses of fruit not used in the harvesting operation. But this operation usually has a low operational performance and a high cost ... -
Mechanized and individualized application of N-P-K in combined operations in sugarcane
Carneiro, Franciele M.; Furlani, Carlos E.A. ; Gírio, Lucas A. da S. ; da Silva, Rouverson P. ; Malheiros, Euclides B. (Engenharia Agricola, 2017) [Artigo]
A new concept of fertilizer machine is under development and shows as differential individually fertilizer application, that is sources of N, P and K are applied separately for the purpose of improving the distribution ... -
Agricultural management of an Oxisol affects accumulation of heavy metals
Minari, Guilherme Deomedesse; Rosalen, David Luciano ; da Cruz, Mara Cristina Pessôa ; de Melo, Wanderley José ; Alves, Lucia Maria Carareto ; Saran, Luciana Maria (Chemosphere, 2017) [Artigo]
Soil contamination may result from the inadequate disposal of substances with polluting potential or prolonged agricultural use. Therefore, cadmium (Cd), chromium (Cr) and nickel (Ni) concentrations were assessed in a ... -
Statistical control of processes aplied for peanut mechanical digging in soil textural classes
Zerbato, Cristiano; Furlani, Carlos E. A. ; da Silva, Rouverson P. ; ; dos Santos, Adão F. (Engenharia Agricola, 2017) [Artigo]
Thedigging of peanut, which has the pod production in the subsurface, is directly affected by soil conditions, physical or environmental characteristics, at the time of operation and may be the cause of unwanted losses. ... -
Deposição da calda de pulverização em diferentes volumes vegetativos de Coffea arabica L.
Santinato, Felipe; ; ; Da Silva, Rouverson Pereira ; ; (Coffee Science, 2017) [Artigo]
The arrangement of branches and leaves overlap in coffee plants hinder the penetration of sprayed mixture. Therefore, to determine the volume of appropriate syrup, it is important to check the condition of the crop leafiness ... -
Times of efficiency and quality of soybean crop mechanical operation in geometry functions of plots
Paixão, Carla S.S.; dos Santos, Adão F. ; ; da Silva, Rouverson P. ; Carneiro, Franciele M. (Engenharia Agricola, 2017) [Artigo]
The knowledge of the operational quality of soybean harvester provides useful information to management in order to obtain the maximum performance of all available resources, with minimal expenses. The aimed of this study ... -
Analysis and characterization of a Japanese garden in Ribeirao Preto (SP), Brazil
Ferraz, Marcos Vieira; Fernandes, Camila Junqueira ; Rosalen, David Luciano ; Gimenes, Renata ; Romani, Gustavo de Nóbrega ; ; Pivetta, Kathia Fernandes Lopes (Ornamental Horticulture, 2016) [Artigo]
The Japanese Garden of the Fabio Barreto Municipal Forest/Zoo in Ribeirao Preto, state of Sao Paulo, Brazil, was analyzed. Among the vegetation elements, 362 individuals (trees and shrubs) were identified, covering 80 ... -
Pressure compensation by a floppy disk in a sprinkler with rotation by centrifugal action
; Filho, João Alberto Fischer; Zanini, José Renato ; (Semina:Ciencias Agrarias, 2016) [Artigo]
Water wastage is a great concern worldwide. Water is effectively utilized by using equipment and systems that have more uniform water distribution. The objective of this study was to evaluate the performance of the FR Super ... -
Efficiency and losses in mechanical harvesting of soybeans due to the plots format
Paixão, Carla Segatto Strini; da Silva, Rouverson Pereira ; ; Cassia, Marcelo Tufaile ; Tavares, Tiago de Oliveira (Australian Journal of Crop Science, 2016) [Artigo]
Information about the capacity of the operation, harvest efficiency and performance of the harvester are of great importance in the management of agricultural mechanized systems, assisting in the decisions to be taken by ... -
Agronomic characteristics associated with the normalized difference vegetation index (NDVI) in the peanut crop
Zerbato, Cristiano; Rosalen, David Luciano ; Furlani, Carlos Eduardo Angeli ; Deghaid, Juliano ; (Australian Journal of Crop Science, 2016) [Artigo]
Advances in agricultural technology have led to the development of active remote sensing equipment that can potentially estimate components of crop production; however, this assessment is still in its early stages for the ... -
Quality monitoring of billets distribution in mechanised sugarcane planting
; Paixão, Carla Segatto Strini; Da Silva, Rouverson Pereira ; Zerbato, Cristiano ; Tavares, Tiago Oliveira (Australian Journal of Crop Science, 2016) [Artigo]
The mechanised farming operations, especially sugarcane mechanised planting, have diverse sources of variation that may harm the agronomic performance of the crop and destabilise the process, causing failure to meet ...