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AgriEngineering
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Research Progress of Agricultural Machinery Testing
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Research Progress of Agricultural Machinery Testing

A special issue of AgriEngineering (ISSN 2624-7402). This special issue belongs to the section "Agricultural Mechanization and Machinery".

Deadline for manuscript submissions: 30 June 2025 | Viewed by 2381

Special Issue Editors

Dr. Kléber Pereira Lanças

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Guest Editor
Rural Engineering and Agricultural Mechanization Department, College of Agricultural Sciences, São Paulo State University-UNESP, Av. Universitária, 3780, Botucatu 18610-034, SP, Brazil
Interests: tractor, machinery and tire performance and tests; soil compaction researches; agriculture of future; controlled machinery traffic
Prof. Dr. Daniel Albiero

E-Mail Website
Guest Editor
School of Agricultural Engineering, University of Campinas (UNICAMP), Av. Candido Rondon, 501, Barão Geraldo, Campinas 13083-875, Brazil
Interests: agricultural machinery design; robotics in agriculture; agricultural machinery tests
Prof. Dr. Alberto Kazushi Nagaoka

E-Mail Website
Guest Editor
Rural Engineering Department, Centre of Agricultural Sciences, Santa Catarina Federal University, Itacorubi Neighborhood, Rod. Admar Conzaga, 1346, Florianópolis 88034-001, SC, Brazil
Interests: machine development; tractor tests

Special Issue Information

Dear Colleagues,

The first tests of agricultural machines were carried out by official institutions accredited by the US government in 1919. These tests have been instrumental in the modernization of agriculture, aiming for greater efficiency, comfort, durability, and safety of agricultural machines.

Other benefits of testing include enabling greater versatility and better quality of operations through the introduction of new technologies. These technologies make rural work more attractive by increasing machine performance, resulting in greater productivity on farms compared to manual labor.

With greater emphasis on sustainability, it is essential to have agricultural machines that meet the requirements of official institutions. One of the main concerns is the energy efficiency of these machines, as well as the economy of human resources and inputs. In this context, the testing of agricultural machines is essential to obtain information and data that can be translated into practical knowledge to optimize energy consumption, inputs, and human resources.

Therefore, this Special Issue of AgriEngineering aims to present the state of the art in this area of knowledge related to testing agricultural machinery. It includes updated bibliographical reviews adhering to the theme, as well as scientific articles presenting innovative results.

Dr. Kléber Pereira Lanças
Prof. Dr. Daniel Albiero
Prof. Dr. Alberto Kazushi Nagaoka
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. AgriEngineering is an international peer-reviewed open access quarterly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • tractor, machinery and tire tests
  • energy efficiency
  • field capacity
  • ergonomy
  • machinery and field efficiency
  • fuel and energy consumption
  • operational field quality
  • robotics
  • GPS
  • farming 4.0
  • farm of future

Published Papers (4 papers)

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Research

15 pages, 789 KiB  
Article
Modification and Performance Evaluation of a Biomass Pelleting Machine
by Simeon Olatayo Jekayinfa, Folorunso Adegboyega Ola, Fatai Bukola Akande, Mutairu Abiola Adesokan and Ibrahim Akinola Abdulsalam
AgriEngineering 2024, 6(3), 2214-2228; https://doi.org/10.3390/agriengineering6030130 (registering DOI) - 16 Jul 2024
Abstract
The use of biomass as a source of energy has been identified to be energy intensive, involving high handling costs. However, pelletization reduces the bulk density of biomass, thereby reducing the handling costs and enhancing ease of use. This study modified and evaluated [...] Read more.
The use of biomass as a source of energy has been identified to be energy intensive, involving high handling costs. However, pelletization reduces the bulk density of biomass, thereby reducing the handling costs and enhancing ease of use. This study modified and evaluated an existing hand-operated fish feed pelleting machine. The parts of the machine that were redesigned were the hopper and the power transmission unit. Corncob was used to evaluate the modified machine using the die hole diameter (5, 6 and 7 mm) and the binder quantity (0, 2.5 and 5 wt%) as factors. The average results obtained for machine efficiency, throughput, pellet length and bulk density were 58.83%, 4.24 kg/h, 15.51 mm and 0.160 g/cm3, respectively. The die hole diameter had a significant effect on the pellet length only. The binder quantity had a significant effect on machine efficiency, throughput and pellet length. Machine efficiency and throughput decreased as the quantity of binder increased, and the pellet length increased with the increasing quantity of binder. Full article
(This article belongs to the Special Issue Research Progress of Agricultural Machinery Testing)
15 pages, 5017 KiB  
Article
Investigating the Impact of Speed and Tire Pressure of a Wheel Tractor on Soil Properties: A Case Study in Northeastern Uzbekistan
by Adilbek Akhmetov, Sherzodbek Akhmedov and Javlonbek Ishchanov
AgriEngineering 2024, 6(3), 2067-2081; https://doi.org/10.3390/agriengineering6030121 (registering DOI) - 3 Jul 2024
Viewed by 503
Abstract
In agriculture, machines engaged in various agrotechnical activities and operations have different impacts on the soil. The effect of mechanization is primarily reflected in two indicators: soil density and hardness. At the same time, considering the direct dependence of tractive resistance on soil [...] Read more.
In agriculture, machines engaged in various agrotechnical activities and operations have different impacts on the soil. The effect of mechanization is primarily reflected in two indicators: soil density and hardness. At the same time, considering the direct dependence of tractive resistance on soil hardness in processing machines and sprayers, we studied subsequent changes in the soil in the path of wheels affected by the soil after the passage of four-wheeled and three-wheeled tractors. We also examined various atmospheric pressures in the tractor’s tires and the impact of different types of tires on soil compaction and traction. The studies showed that to reduce the compression impact on the soil of four-wheeled tractor working systems during certain technical operations, it is necessary to choose the maximum permissible travel speed and the minimum air pressure in the tires specified in the technical conditions. This approach helps to decrease soil compaction and maintain its structure. Additionally, it was found that three-wheeled tractors exert less pressure on the soil compared to four-wheeled ones, which should also be considered when selecting equipment for different agrotechnical tasks. Optimizing tire pressure and tractor speed is crucial for minimizing negative soil impact and enhancing the efficiency of agricultural operations. Full article
(This article belongs to the Special Issue Research Progress of Agricultural Machinery Testing)
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13 pages, 1825 KiB  
Article
Controlled Traffic Farm: Fuel Demand and Carbon Emissions in Soybean Sowing
by Murilo Battistuzzi Martins, Aldir Carpes Marques Filho, Cássio de Castro Seron, Wellingthon da Silva Guimarães Júnnyor, Eduardo Pradi Vendruscolo, Fernanda Pacheco de Almeida Prado Bortolheiro, Diego Miguel Blanco Bertolo, Arthur Gabriel Caldas Lopes and Lucas Santos Santana
AgriEngineering 2024, 6(2), 1794-1806; https://doi.org/10.3390/agriengineering6020104 - 18 Jun 2024
Viewed by 356
Abstract
Soil compaction between crop rows can increase a machine’s performance by reducing rolling resistance and fuel demand. Controlled Traffic Farm (CTF) stands out among modern techniques for increasing agricultural sustainability because the machines continuously travel along the same path in the field, reducing [...] Read more.
Soil compaction between crop rows can increase a machine’s performance by reducing rolling resistance and fuel demand. Controlled Traffic Farm (CTF) stands out among modern techniques for increasing agricultural sustainability because the machines continuously travel along the same path in the field, reducing plant crush and compacting the soil in the traffic line. This study evaluated fuel consumption and CO2 emissions at different CTF intensities in different soil management strategies for soybean crop. The experimental design involved randomized blocks in a split-plot scheme with four replications. The plots constituted the three types of soil management: conventional tillage, no-tillage with straw millet cover, and no-tillage with brachiária straw cover. The subplots constituted for agricultural tractors were passed over in traffic lines (2, 4, and 8 times). We evaluated agricultural tractor fuel consumption, CO2 emissions, and soybean productivity. The straw cover and tractor-pass significantly affected the fuel consumption and greenhouse gas emissions of the soybean cultivation. Fuel consumption and CO2 emissions were reduced due to the machine-pass increase, regardless of soil management. Thus, a CTF reduces rolling resistance and increases crop environmental efficiency. Bare-soil areas increased by 20.8% and 27.9% with respect to fuel consumption, compared to straw-cover systems. Brachiária straw and millet reduce CO2 emissions per hectare by 20% and 28% compared to bare soil. Lower traffic intensities (two passes) showed (13.72%) higher soybean yields (of 4.04 Mg ha−1). Investigating these effects in other types of soil and mechanized operations then becomes essential. Full article
(This article belongs to the Special Issue Research Progress of Agricultural Machinery Testing)
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10 pages, 1504 KiB  
Article
Chemical Control of Coffee Berry Borer Using Unmanned Aerial Vehicle under Different Operating Conditions
by João Paulo Arantes Rodrigues da Cunha, Luana de Lima Lopes and Cleyton Batista de Alvarenga
AgriEngineering 2024, 6(2), 1639-1648; https://doi.org/10.3390/agriengineering6020093 - 5 Jun 2024
Viewed by 581
Abstract
The application of pesticides using unmanned aerial vehicles (UAVs) has grown, but there is a lack of information to support more efficient applications. Using a DJI AGRAS-MG-1P octocopter equipped with different spray tips, this study sought to explore spray deposition (leaves and fruit) [...] Read more.
The application of pesticides using unmanned aerial vehicles (UAVs) has grown, but there is a lack of information to support more efficient applications. Using a DJI AGRAS-MG-1P octocopter equipped with different spray tips, this study sought to explore spray deposition (leaves and fruit) and efficacy of chlorpyrifos on control of coffee berry borer at different spray volumes and flight heights. The study was conducted in an Arabica coffee plantation. The study consisted of eight treatments and four replications in a 2 × 2 × 2 factorial scheme: two flight heights (1.5 and 3.0 m), two spray tips (hollow cone and flat fan), and two spray volumes (10 and 15 L ha−1). Deposition was assessed by detecting a tracer in the coffee leaves and fruit using spectrophotometry. The coffee berry borer-control efficacy trial was conducted in two areas by evaluating the percentage of damaged fruit 60 days after two insecticide applications. The flight height of 1.5 m promoted higher spray deposition on leaves and fruit and a lower incidence of damaged fruit. Flat fan spray tips resulted in higher spray deposition on the leaves, not interfering with the deposition on fruit or the coffee berry borer control. Increasing the spray volume from 10 to 15 L ha−1 did not increase spray deposition on coffee leaves and fruit. Chlorpyrifos applied via UAVs reduced the incidence of coffee berry borer. Full article
(This article belongs to the Special Issue Research Progress of Agricultural Machinery Testing)
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