UAV-Based Remote Sensing: Driving Green Practices in Agriculture

A special issue of Agriculture (ISSN 2077-0472). This special issue belongs to the section "Digital Agriculture".

Deadline for manuscript submissions: closed (25 May 2023) | Viewed by 2201

Special Issue Editors


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Guest Editor
1. Centro de Investigação em Ciências Geo-Espaciais, University of Porto, Porto, Portugal
2. Civil and Geomatics Research Group, University of Santiago de Compostela, Santiago de Compostela, Spain
Interests: aerial inspection; NDT; SfM-MVS photogrammetry; drones in civil engineering; precision agriculture

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Guest Editor
Department of Agriculutre and Environmental Sciences, School of Biosciences, University of Nottingham, Loughborough LE12 5RD, UK
Interests: 3D reconstruction of plants; computer vision; light and photosynthesis modelling; intercropping; agroforestry; NPQ; photosynthetic acclimation
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Special Issue Information

Dear Colleagues,

With an increasing world population and the threat of climate change, current agronomic practices must be highly productive, but also efficient and sustainable, to ensure food safety and security. The exploitation of remote sensing (RS) data has become an essential tool to assess the production and the efficient use of bioresources. For many years, spaceborne and airborne RS have been considered very efficient alternatives in the analysis of large land areas. However, new resource management strategies based on the concepts of precision agriculture increasingly demand higher levels of spatial and temporal data resolution. In recent years, UAVs (unmanned aerial vehicles) have burst onto the market, closing the data acquisition gap between satellites or manned aircraft and traditional ground-based methods. In addition, the availability of a wide range of spectral technologies compatible with these platforms (e.g., optical RS, multi/hyperspectral sensors, LiDAR, thermal cameras, etc.) has completely transformed the way this sector is monitored and managed.

This Special Issue of Agriculture aims to collect state-of-the-art manuscripts related to local-scale applications of UAV-based RS, particularly focused on precision agriculture with a prospective focus on sustainability. We welcome submissions that show evidence of the enhancement of knowledge on (but not limited to) the following topics:

  • Production efficiency and resource optimisation (e.g., irrigation water management, fertilization, etc.).
  • Innovative solutions in food safety and security based on low-altitude RS.
  • New approaches and tools for data processing (e.g., machine learning) in precision agriculture.
  • Studies analysing efficiency, cost, advantages, or limitations of drones in agriculture, and potential contributions of UAVs to meet SDGs.

Dr. Marcos Arza
Dr. Alexandra Jacquelyn Burgess
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. Agriculture is an international peer-reviewed open access monthly 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 2600 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

  • food safety and security
  • remote sensing
  • Unmanned Aerial Vehicles (UAVs)
  • spectral technologies
  • precision agriculture
  • machine learning

Published Papers (2 papers)

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Editorial

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3 pages, 202 KiB  
Editorial
Drones in the Sky: Towards a More Sustainable Agriculture
by Marcos Arza-García and Alexandra Jacquelyn Burgess
Agriculture 2023, 13(1), 84; https://doi.org/10.3390/agriculture13010084 - 28 Dec 2022
Cited by 1 | Viewed by 1623
Abstract
Nowadays, with an increasing world population, the production of bio-resources becomes a strategic sector for supporting any sustainable society [...] Full article
(This article belongs to the Special Issue UAV-Based Remote Sensing: Driving Green Practices in Agriculture)

Research

Jump to: Editorial

16 pages, 4161 KiB  
Article
Real-Time Kinematic Imagery-Based Automated Levelness Assessment System for Land Leveling
by Senlin Guan, Kimiyasu Takahashi, Keiko Nakano, Koichiro Fukami and Wonjae Cho
Agriculture 2023, 13(3), 657; https://doi.org/10.3390/agriculture13030657 - 11 Mar 2023
Cited by 1 | Viewed by 1359
Abstract
Many cropping systems, notably for rice or soybean production, rely largely on arable land levelness. In this study, an automated levelness assessment system (ALAS) for evaluating lowland levelness is proposed. The measurement accuracy of total station, real-time kinematic (RTK) receiver, and RTK unmanned [...] Read more.
Many cropping systems, notably for rice or soybean production, rely largely on arable land levelness. In this study, an automated levelness assessment system (ALAS) for evaluating lowland levelness is proposed. The measurement accuracy of total station, real-time kinematic (RTK) receiver, and RTK unmanned aerial vehicle (UAV) instruments used at three study sites was evaluated. The ALAS for assessing the levelness of agricultural lowlands (rice paddy fields) was then demonstrated using UAV-based imagery paired with RTK geographical data. The ALAS (also a program) enabled the generation of an orthomosaic map from a set of RTK images, the extraction of an orthomosaic map of a user-defined field, and the visualization of the ground altitude surface with contours and grade colors. Finally, the output results were obtained to assess land levelness before and after leveling. The measurement accuracy results of the instruments used indicated that the average horizontal distance difference between RTK-UAV and total station was 3.6 cm, with a standard deviation of 1.7 cm and an altitude root mean squared error of 3.3 cm. A visualized ground altitude surface and associated altitude histogram provided valuable guidance for land leveling with the ALAS; the ratios of the ground altitude of ±5 cm in the experiment fields (F1 and F2) increased from 78.6% to 98.6% and from 71.0% to 96.9%, respectively, making the fields more suitable for rice production. Overall, this study demonstrates that ALAS is promising for land leveling and effective for further use cases such as prescription mapping. Full article
(This article belongs to the Special Issue UAV-Based Remote Sensing: Driving Green Practices in Agriculture)
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