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Advances in Remote Sensing for Crop Monitoring and Food Security

A special issue of Remote Sensing (ISSN 2072-4292). This special issue belongs to the section "Remote Sensing in Agriculture and Vegetation".

Deadline for manuscript submissions: 15 February 2025 | Viewed by 1020

Special Issue Editors

College of Urban and Environmental Sciences, Central China Normal University, Wuhan 430079, China
Interests: remote sensing of environment; land use and land cover change; precision agriculture; crop monitoring; time series analysis; fractional vegetation cover; food security.

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Guest Editor
Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China
Interests: hyperspectral imaging; remote sensing image processing; geophysical techniques; agriculture; data assimilation; diseases; geochemistry; geophysical signal processing; neural nets; nitrogen; pest control
Special Issues, Collections and Topics in MDPI journals
School of Automation, Hangzhou Dianzi University, Hangzhou, China
Interests: thermal remote sensing; vegetation remote sensing; crop classification; smart agriculture

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Guest Editor
College of Urban and Environment Sciences, Huazhong Normal University, Wuhan 430079, China
Interests: land cover classification; land use modelling; agricultural system
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In the era of smart agriculture, remote sensing techniques play an increasingly important role in the intelligent and high-quality development of agriculture, providing key technical support for efficient food production and food security. In recent years, multi-source remote sensing data from satellites and Unmanned Aerial Vehicle (UAV) platforms have offered long-term observational information with high spatial, temporal, and spectral resolution. This information complements ground investigations, greatly enriching our multi-scale understanding of crop growth processes and agricultural practices. Many advanced techniques and applications have emerged in remote sensing for crop monitoring and food security, utilizing physics-based models, empirical models, and machine learning algorithms.

This Special Issue focuses on methodologies and practices in agricultural remote sensing for food security. We welcome novel techniques and applications for monitoring cropland areas, crop growth processes, and crop loss-related abiotic/biotic stresses, as well as advanced practices aimed at improving the efficiency of crop planting and production management. This Special Issue will provide important technical and methodological support for field management throughout the entire growth period of crops, precise water control and fertilization, high-precision yield estimation, and support stable and high yields. We are soliciting papers on, but not limited to, the following topics:

  • Cropland change detection;
  • Satellite-based cropland identification and classification;
  • UAV-based high-resolution mapping of agricultural fields;
  • Quantitative inversion of crop structural and biochemical parameters;
  • Crop growth monitoring based on temporal analysis;
  • Disease, pests, lodging, and weeds monitoring for crops;
  • Interactions between extreme climate events and crops;
  • Crop yield assessment.

Dr. Lili Xu
Dr. Yingying Dong
Dr. Ran Huang
Prof. Dr. Hao Wu
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. Remote Sensing is an international peer-reviewed open access semimonthly 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 2700 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

  • crop monitoring
  • land use change
  • high-resolution imagery
  • precision agriculture
  • phenology
  • growth stages
  • vegetation indices
  • crop stress detection
  • yield models
  • machine learning algorithms

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Published Papers (1 paper)

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Research

16 pages, 8588 KiB  
Article
A Novel Approach for Farmland Size Estimation in Small-Scale Agriculture Using Edge Counting and Remote Sensing
by Jingnan Du, Sucheng Xu, Jinshan Li, Jiakun Duan and Wu Xiao
Remote Sens. 2024, 16(16), 2981; https://doi.org/10.3390/rs16162981 - 14 Aug 2024
Viewed by 724
Abstract
Accurate and timely information on farmland size is crucial for agricultural development, resource management, and other related fields. However, there is currently no mature method for estimating farmland size in smallholder farming areas. This is due to the small size of farmland plots [...] Read more.
Accurate and timely information on farmland size is crucial for agricultural development, resource management, and other related fields. However, there is currently no mature method for estimating farmland size in smallholder farming areas. This is due to the small size of farmland plots in these areas, which have unclear boundaries in medium and high-resolution satellite imagery, and irregular shapes that make it difficult to extract complete boundaries using morphological rules. Automatic farmland mapping algorithms using remote sensing data also perform poorly in small-scale farming areas. To address this issue, this study proposes a farmland size evaluation index based on edge frequency (ECR). The algorithm utilizes the high temporal resolution of Sentinel-2 satellite imagery to compensate for its spatial resolution limitations. First, all Sentinel-2 images from one year are used to calculate edge frequencies, which can divide farmland areas into low-value farmland interior regions, medium-value non-permanent edges, and high-value permanent edges (PE). Next, the Otsu’s thresholding algorithm is iteratively applied twice to the edge frequencies to first extract edges and then permanent edges. The ratio of PE to cropland (ECR) is then calculated. Using the North China Plain and Northeast China Plain as study areas, and comparing with existing farmland size datasets, the appropriate estimation radius for ECR was determined to be 1600 m. The study found that the peak ECR value for the Northeast China Plain was 0.085, and the peak value for the North China Plain was 0.105. The overall distribution was consistent with the reference dataset. Full article
(This article belongs to the Special Issue Advances in Remote Sensing for Crop Monitoring and Food Security)
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