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Stream/Area:
-
Subject:
-
Paper ID:
IJSREM64495
Volume:
10 |
6 |
Jun 2026
Pages:
1-9
Publication Frequency:
Monthly (12 issues per year)
License:International Journal of Scientific Research in Engineering and Management follows the Creative Commons Attribution 4.0 (CC BY 4.0) License, allowing free use and distribution with proper attribution.

DEPARTMENT OF COMPUTER APPLICATIONS (PG)
BISHOP HEBER COLLEGE
Department of Artificial Intelligence and Machine Learning
Kongunadu Arts and Science College
Agriculture plays a crucial role in India’s economy, and crop diseases remain a major challenge affecting productivity and farmers’ income. Traditional disease detection methods rely heavily on manual observation, which is time-consuming, subjective, and ineffective for large-scale farming. This project presents an IoT based crop disease detection system that integrates environmental sensor data with image-based analysis to enable early and accurate identification of crop diseases. IoT sensors are deployed in agricultural fields to continuously monitor key parameters such as temperature, humidity, soil moisture, and soil pH, which significantly influence crop health and disease development. In addition, images of crop leaves are captured and processed using image processing techniques including preprocessing, segmentation, and feature extraction. Machine learning and deep learning algorithms such as Support Vector Machine, K-Nearest Neighbour, Random Forest, and Convolutional Neural Networks are utilized for disease classification, with CNN models demonstrating higher accuracy in identifying complex disease patterns. The proposed system supports real-time monitoring and early diagnosis, allowing farmers to take timely preventive measures. By reducing dependency on manual inspection and minimizing excessive pesticide usage, the system promotes smart and sustainable agricultural practices. The study highlights the potential of integrating IoT and machine learning technologies to improve crop yield, reduce losses, and enhance decision making in modern agriculture.
KEYWORDS
This review paper examined various studies related to IoT-based crop disease detection using sensor and image data. Crop diseases continue to be a major challenge in agriculture, causing significant losses in yield and quality. Traditional disease detection methods are often time-consuming and ineffective, especially for large-scale farming. The study highlights that IoT sensors play an important role in continuously monitoring environmental parameters such as temperature, humidity, soil moisture, and pH, which directly influence crop health. Image processing and machine learning techniques, particularly deep learning models, enable accurate identification of disease symptoms from crop leaf images. The integration of sensor data with image-based analysis improves the reliability and accuracy of disease detection systems. The review also reveals that IoT-based crop disease detection systems support early diagnosis, real-time monitoring, and timely decision-making for farmers. Such systems help reduce crop loss, minimize excessive pesticide usage, and promote smart and sustainable agricultural practices. Overall, the study concludes that IoT-enabled disease detection systems have significant potential to transform traditional agriculture into intelligent farming, thereby improving productivity and ensuring food security.
1. Mohanty, S. P., Hughes, D. P., & Salathé, M. (2016). Using deep learning for image-based plant disease detection. Computers and Electronics in Agriculture, 124, 1–10. 2. Kamilaris, A., & Prenafeta-Boldú, F. X. (2018). Deep learning in agriculture: A survey. Computers and Electronics in Agriculture, 147, 70– 90. 3. Barbedo, J. G. A. (2013). Digital image processing techniques for detecting, quantifying and classifying plant diseases. Biosystems Engineering, 116(3), 260–270. 4. Prasad, S. R., Peddoju, S. K., & Ghosh, D. (2020). IoT-based smart agriculture system for crop disease monitoring. International Journal of Engineering Research and Technology, 9(3), 234–239. 5. Singh, V., & Misra, A. K. (2017). Detection of plant leaf diseases using image segmentation and soft computing techniques. Information Processing in Agriculture, 4(1), 41–49. 6. Ferentinos, K. P. (2018). Deep learning models for plant disease detection and diagnosis. Computers and Electronics in Agriculture, 145, 311–318. 7. Picon, A., Alvarez-Gila, A., Seitz, M., Ortiz-Barredo, A., Echazarra, J., & Johannes, A. (2019). Deep convolutional neural networks for mobile capture device-based crop disease classification. Computers and Electronics in Agriculture, 161, 280–290. 8. Too, E. C., Yujian, L., Njuki, S., & Yingchun, L. (2019). A comparative study of fine-tuning deep learning models for plant disease identification. Computers and Electronics in Agriculture, 161, 272–279. 9. Patil, J. K., & Kumar, R. (2019). Advances in image processing for detection of plant diseases. Journal of Advanced Research in Computer Science, 10(2), 33–39. 10. Ramesh, S., Hebbar, R., Niveditha, M., Pooja, R., Shashank, N., & Vinod, P. V. (2021). Plant disease detection using machine learning and IoT-based smart agriculture. International Journal of Engineering and Advanced Technology, 10(5), 45–51.
Publication Date
6/3/2026
Peer Review Type
Double-Blind Peer Review
Review Rounds: 2
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Conflict of Interest
The authors declare no conflict of interest related to this research work.
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No funding information available for this research.
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