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Recent Advances in Precision Farming and Digital Agriculture: 2nd Edition

A Special Issue of Applied Sciences (ISSN 2076-3417) belonging to the section "Agricultural Science and Technology".

Deadline for manuscript submissions: 20 October 2026 | Viewed by 636

Editors


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Guest Editor
Department of Agriculture, Food and Environment, University of Pisa, 56124 Pisa, Italy
Interests: conservative organic farming systems; soil conservation and no tillage; machines for soil tillage; under-row weed control in vineyard; precision agriculture; autonomous robot for agriculture; sustainable vineyard management; weed control; machines for physical weed control; robotic and digital fleet management; soil disinfection with physical method
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Special Issue Information

Dear Colleagues,

Digital agriculture likely represents the new frontier of precision farming. The collection, use and distribution of data to boost farmers’ activity is now a real and applicable reality. These technologies are useful: not only do they support farming activities, but they also assist in food chain activities and operations related to the maintenance of urban green areas and forestry.

Digital technologies can help “intelligent” machines used in precision farming to optimize their efficiency. The final aim of digital and precision farming is to save costs, time, labor, and inputs within sustainable farming systems. Digital technologies help different machines and devices share data collected by specific sensors. Data coming from these machines can now be used to help farmers thanks to advanced management platforms that act as decision support systems. Many tasks are then easier to handle, like fleet monitoring, operation planning, heat map visualization, and communication between machines. Moreover, advanced technologies can now allow autonomous robots to work in unstructured environments thanks to different sensor systems.

In this Special Issue, all contributions regarding innovative technologies and machines for digital and precision agriculture are welcome, including applications in agriculture, the food chain, urban green areas, and forestry. Manuscripts describing software, sensors, robotics, automation, fleet management, decision support systems and artificial intelligence applications are also welcome. Thus, we invite experts and researchers to contribute original research, reviews and opinion pieces covering the topics of this Special Issue.

Prof. Dr. Michele Raffaelli
Prof. Dr. Daniele Antichi
Guest Editors

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Keywords

  • sustainable farming systems
  • robotics
  • artificial intelligence
  • internet of things
  • agri-technology
  • automation
  • input reduction
  • variable rate applications
  • sensors
  • fleet management
  • decision support systems

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Published Papers (1 paper)

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Research

24 pages, 7869 KB  
Article
Development, Numerical Simulation and Laboratory Validation of a Load-Cell-Based Mass Flow Rate Measuring Sensor for Dry Fertilizers in Seed Drills
by Mohamed Edrris, Khalid Al-Gaadi, Elkamil Tola and Yahia Gaddal
Appl. Sci. 2026, 16(13), 6571; https://doi.org/10.3390/app16136571 - 1 Jul 2026
Viewed by 352
Abstract
An impact-based sensing system was developed and validated for real-time measurement of granular fertilizer mass flow rate in seed drills. Discrete Element Method (DEM) simulation was used to optimize the geometric configuration of the sensing unit, focusing on the fertilizer distance between the [...] Read more.
An impact-based sensing system was developed and validated for real-time measurement of granular fertilizer mass flow rate in seed drills. Discrete Element Method (DEM) simulation was used to optimize the geometric configuration of the sensing unit, focusing on the fertilizer distance between the fertilizer tube outlet and the impact plate of the sensing unit (offset distance), using urea and NPK fertilizers. The simulation results identified an offset distance of 2.5 cm as the optimum configuration for both urea and NPK fertilizers, providing the most stable and repeatable flow response with minimum variability and flow interruption. The sensor was experimentally evaluated under controlled laboratory conditions using different positions of the fertilizer rate adjusting lever and machine forward speeds. The ANOVA results showed that both factors and their interaction significantly affected fertilizer flow rate (p < 0.0001). The measured flow rates exhibited strong agreement with gravimetric reference data, yielding a near-linear relationship (R2 = 0.9999), with an overall accuracy of approximately 97% and mean relative errors between 5.1% and 7.4%. These results demonstrate that the developed load-cell-based impact sensor enables accurate and repeatable granular fertilizer flow rate measurement. In general, the impact-based sensor developed in this study combines competitive accuracy with simplicity, affordability and broad applicability and potential for integration with variable-rate application systems. Full article
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