RSS 1.0Departamento de Engenharia Rural
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Methodology for selective coffee harvesting in management zones of yield and maturation
Kazama, Elizabeth Haruna
; da Silva, Rouverson Pereira ; Tavares, Tiago de Oliveira ; Correa, Lígia Negri ; de Lima Estevam, Francisca Nivanda ; Nicolau, Francisca Edcarla de Araújo ; Maldonado Júnior, Walter (Precision Agriculture, 2020) [Artigo]
The non-uniformity of coffee fruit maturation is an intrinsic plant condition that is not favorable for the beverage quality. This could be overcome by using the precision harvesting approach, wherein only the ripe fruits ... -
Bioremediation potential of new cadmium, chromium, and nickel-resistant bacteria isolated from tropical agricultural soil
Minari, Guilherme Deomedesse; Saran, Luciana Maria ; Lima Constancio, Milena Tavares ; Correia da Silva, Rafael ; Rosalen, David Luciano ; José de Melo, Wanderley ; Carareto Alves, Lúcia Maria (Ecotoxicology and Environmental Safety, 2020) [Artigo]
Soil management using fertilizers can modify soil chemical, biochemical and biological properties, including the concentration of trace-elements as cadmium (Cd), chromium (Cd) and nickel (Ni). Bacterial isolates from Cd, ... -
The configuration of forest cover in Ribeirão Preto: A diagnosis of Brazil's forest code implementation
Parras, Rafael; de Mendonça, Gislaine Costa ; Costa, Renata Cristina Araújo ; Pissarra, Teresa Cristina Tarlé ; Valera, Carlos Alberto ; Fernandes, Luís Filipe Sanches ; Pacheco, Fernando António Leal (Sustainability (Switzerland), 2020) [Artigo]
The fragmentation of forests is a consequence of human activities that intensively change the natural landscapes. In Brazil, there is a long-standing legal framework for native vegetation protection, called Forest Code. ... -
Long-term impact of fertigation with treated sewage effluent on the physical soil quality
Coelho, Anderson Prates; Silva, Matheus Flavio da ; Faria, Rogério Teixeira de ; Fernandes, Carolina ; Dantas, Geffson de Figueiredo ; (Environmental Pollution, 2020) [Artigo]
In agriculture, wastewater is used as an alternative source to meet the water and nutritional requirements of plants. However, long-term application of wastewater may degrade soil attributes. This study aimed to evaluate ... -
The recycling of biodigested vinasse in an upflow anaerobic sludge blanket reactor is a feasible approach for the conservation of freshwater in the biofuel ethanol industry
; Barros, Valciney Gomes de; ; ; Duda, Rose Maria ; Oliveira, Roberto Alves de (Journal of Cleaner Production, 2020) [Artigo]
The generation of large volumes of vinasse during the production of biofuel ethanol is a challenging problem since inappropriate application of the byproduct as an agro-fertigant can give rise to contamination of soil and ... -
Application of signal correction for sphenophorus levis control and higher quality production in mechanized harvesting of sugarcane ratoon
; de Oliveira, Mailson Freire; Mendes, Arthur Laurentiz ; Damasceno, André Ferreira ; Zerbato, Cristiano ; Furlani, Carlos Eduardo Angeli (Australian Journal of Crop Science, 2019) [Artigo]
Higher quality mechanized agricultural operations can be achieved with the use of the Global Navigation Satellite System (GNSS) signal positioning tools (correction signals), allowing a higher accuracy, which is extremely ... -
Convolutional neural networks in predicting cotton yield from images of commercial fields
Tedesco-Oliveira, Danilo; Pereira da Silva, Rouverson ; Maldonado, Walter ; Zerbato, Cristiano (Computers and Electronics in Agriculture, 2020) [Artigo]
One way to improve the quality of mechanized cotton harvesting is to change harvester settings and adjustments throughout the process, according to information obtained during the operation. We believe that yield predictions ... -
Estimation of soil penetration resistance with standardized moisture using modeling by artificial neural networks
Fernandes, Mariele Monique Honorato; Coelho, Anderson Prates ; Silva, Matheus Flavio da ; Bertonha, Rafael Scabello ; de Queiroz, Renata Fernandes ; Furlani, Carlos Eduardo Angeli ; Fernandes, Carolina (Catena, 2020) [Artigo]
One of the most used evaluations to monitor soil compaction is based on soil penetration resistance (SPR). However, since SPR is influenced by soil moisture, this evaluation performed in the field may often lead to incorrect ... -
Comparison between vegetation indices for detecting spatial and temporal variabilities in soybean crop using canopy sensors
Morlin Carneiro, Franciele; Angeli Furlani, Carlos Eduardo ; Zerbato, Cristiano ; ; ; Freire de Oliveira, Mailson (Precision Agriculture, 2020) [Artigo]
Crop monitoring through remote sensing techniques enable greater knowledge of average variability in crop growth. Canopy sensors help provide information on the variability of crop through the use of vegetation indices. ... -
Performance of agricultural tractor consuming diesel and biodiesel derived from babassu (Orbinya martiana)
Lira, Thyago Augusto Medeiros; Santos, Ariston Pinto ; Moreti, Thaisa Calvo Fugineri ; Lopes, Afonso ; de Oliveira, Melina Cais Jejcic ; Neves, Murilo Coelho Theodoro ; Iamaguti, Priscila Sawasaki ; Lima, Leomar Paulo de ; Koike, Gilberto Hirotsugu Azevedo ; Silva, Rogerio de Abreu (Australian Journal of Crop Science, 2019) [Artigo]
Biodiesel is an alternative fuel to diesel engines. This study aimed to evaluate fuel consumption and smoke density of agricultural tractors fueled by biodiesel, diesel, and biodiesel/diesel mixtures in a tilled field. ... -
Quality of multi-row harvesting in sugarcane plantations established from pre-sprouted seedlings and billets
da Silva Gírio, Lucas Augusto; da Silva, Rouverson Pereira ; de Menezes, Patricia Candida ; Carneiro, Fanciele Morlin ; Zerbato, Cristiano ; (Industrial Crops and Products, 2019) [Artigo]
The mechanical planting and harvesting of sugarcane have experienced great technological transformations in Brazil. A pre-sprouted seedling system launched in 2012 is being used widely throughout the country, and new ... -
Land degradation: Multiple environmental consequences and routes to neutrality
; ; ; Valera, Carlos Alberto; Pissarra, Teresa Cristina Tarlé (Current Opinion in Environmental Science and Health, 2018) [Resenha]
Degradation is currently affecting 25% of Earth's land and 40% of Earth's agricultural land. The environmental consequences of land degradation are vast, including amplified soil losses, water quality deterioration, ... -
Ammonia volatilization from coated urea in irrigated brachiaria crop
Cascaldi, Alexia Morello da Silva; de Faria, Rogério Teixeira ; Palaretti, Luiz Fabiano ; Dos Santos, Miquéias Gomes ; ; Cazetta, Jairo Osvaldo (IRRIGA, 2020) [Artigo]
Nitrogen is an essential nutrient for crops, however its use is subject to many losses in the soil-plant-atmosphere system. Thus, some compounds have been used for the purpose of reducing these losses, increasing the ... -
Subsoiling of an oxisol at fixed and varying depth in areas under sugarcane
Cortez, Lucas Aguilar; Marques Júnior, José ; Peluco, Rafael Gonçalves ; Siqueira, Diego Silva ; Siansi, Frederico Luiz ; ; Furlani, Carlos Eduardo Angeli ; Camargo, Lívia Arantes ; Silva, Laércio Santos ; Gomes, Romário Pimenta (Precision Agriculture, 2020) [Artigo]
Knowledge of the spatial variability of compaction would minimize the movement of soil and optimize the operation and economic viability of sugarcane activities. The present study aimed to evaluate different protocols for ... -
Treatment of biodigested coffee processing wastewater using Fenton's oxidation and coagulation/flocculation
Gomes de Barros, Valciney; ; Botello-Suárez, Wilmar Alirio ; Duda, Rose Maria ; Alves de Oliveira, Roberto ; ; ; ; (Environmental Pollution, 2020) [Artigo]
Biodigested coffee processing wastewater (CPW) presents a high organic load and does not meet the limits imposed by legislation (namely in Brazil) for discharge into water bodies. Anaerobic digestion generally cannot provide ... -
Operational cost of mechanized harvesting of first-crop coffee
; da Silva, Carlos Diego; ; Ormond, Antônio Tassio Silva ; ; (Australian Journal of Crop Science, 2019) [Artigo]
The use of adapted harvesters for harvesting first-crop coffee requires a lower cost and exhibits a higher efficiency than manual harvesting. In view of this, the present study aimed to analyze the operational cost of ... -
Two evapotranspiration reference estimation methods and water stress index in irrigated onion
De Oliveira, Paulo José Desidério; Turco, Jose Eduardo Pitelli (IRRIGA, 2019) [Artigo]
The objective of this work was to evaluate the effect of two methods to calculate the reference evapotranspiration and the determination of water stress index of the crop on the production of onion bulbs irrigated by ... -
Errata to Produtividade e qualidade da Brachiaria Irrigada no Outono/Inverno, [Revista Journal Engenharia Agrcola, 36(3), (2016): 469-481] Doi: 10.1590/1809-4430-Eng.Agric.v36n3p469-481/2016
DANTAS, GEFFSON DE F.; DE FARIA, ROGÉRIO T. ; ; DALRI, ALEXANDRE B. ; PALARETTI, LUIZ F. (Engenharia Agricola, 2016) [Errata]
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STATISTICAL PROCESS CONTROL APPLIED TO MONITOR LOSSES IN THE MECHANIZED SUGARCANE HARVESTING
; ; Silva, Rouverson P. da; Borba, Mateus A. de P. ; Torres, Luma S. (Engenharia Agricola, 2020) [Artigo]
The mechanized sugarcane harvesting process is considered one of the major economic bottlenecks, with low operational efficiency and, mainly, high losses of stalks left in the field. In order to minimize these problems and ... -
CAN BASAL CUTTING BLADE WEAR AFFECT SUGARCANE REGROWTH?
Bernache, Leonardo; Tedesco-Oliveira, Danilo ; Oliveira, Luan P. de ; Correa, Ligia N. ; Silva, Rouverson P. da (Engenharia Agricola, 2020) [Artigo]
Sugarcane harvester cutting blade wear increases ratoon damages and losses, impairing sugarcane regrowth. This study aimed to evaluate the quality of basal cut using ratoon damage and loss indexes and correlating them with ...