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Proceeding Paper

Monitoring of Wheat Crop Growth at Farm Level Using Time Series Multispectral Satellite Imagery †

by
Baljit Singh
1,
Bhavya Chauhan
1,
Sandeep Kumar Kaushik
2 and
Varun Narayan Mishra
1,*
1
Amity Institute of Geoinformatics and Remote Sensing (AIGIRS), Amity University, Sector 125, Noida 201313, India
2
DeHaat Pvt. Ltd., Sector 30, Gurugram 122011, India
*
Author to whom correspondence should be addressed.
Presented at the 3rd International Electronic Conference on Agronomy, 15–30 October 2023; Available online: https://iecag2023.sciforum.net/.
Biol. Life Sci. Forum 2023, 27(1), 16; https://doi.org/10.3390/IECAG2023-14983
Published: 13 October 2023
(This article belongs to the Proceedings of The 3rd International Electronic Conference on Agronomy)

Abstract

:
The monitoring of wheat crop growth plays a crucial role in ensuring effective agricultural management and enhancing food security. Valuable insights into the spatial distribution and various growth stages of wheat crop can be obtained through the combination of multi-spectral remote sensing datasets, data analysis, and ground-truth verification. This work aims to monitor wheat crops at farm level in the Bathinda district of India during the agricultural year 2022–23. It involves collecting and analyzing multispectral satellite data over five selected farmlands in the study region. Preprocessing of the multispectral satellite data is performed, including radiometric and atmospheric corrections. The wheat crops’ health and growth are examined, utilizing various indices such as the Land Surface Water Index (LSWI), Normalized Difference Red Edge (NDRE), and Normalized Difference Vegetation Index (NDVI) retrieved from time series remote sensing datasets. Furthermore, wheat crop monitoring is performed, using fortnightly data encompassing its health, moisture levels, and growth stages on individual farmlands. Different farmlands have shown varied LSWI, NDRE, and NDVI values. Variations in crop growth and productivity were observed among farmlands due to differences in soil properties and sowing dates. The findings from this study offer valuable insights into the importance of timely sowing, crop health monitoring, irrigation management, and soil suitability in optimizing wheat crop production.

1. Introduction

Agriculture forms the foundation of Indian economy and plays a crucial role in driving the country’s socioeconomic development [1]. With vast agricultural land that has contributed to its economy for centuries, India stands as one of the world’s leading producers, not only of wheat and rice, but also various other crops [2]. Wheat, being a key food crop, is cultivated under diverse agro-climatic conditions throughout the country. Amongst India’s significant agricultural regions, Punjab holds particular importance. Situated in the north-western part of India, it covers an extensive area of approximately 3.4 million hectares, accounting for nearly 45% of the annual cropped area.
Bathinda, one of the largest districts in Punjab, is renowned for its fertile lands and thriving agricultural practices. The district’s agricultural landscape is predominantly shaped by crops like wheat, rice, cotton, and sugarcane. Among these crops, wheat holds immense significance as a vital rabi crop in Bathinda’s agricultural sector. Its cultivation plays a pivotal role in driving the district’s agriculture forward. Therefore, the effective monitoring and management of wheat crops are crucial for optimizing productivity and resource allocation [3]. In recent times, the utilization of multispectral satellite imagery has emerged as an invaluable tool for crop monitoring due to its ability to capture a wide range of spectral bands [4]. This research paper focuses on leveraging multispectral satellite imagery to monitor wheat crops at the farm level during the agricultural year 2022–23.

2. Materials and Methodology

2.1. Study Area

Bathinda, also known as Bhatinda, is a town in Malwa district in the Indian state of Punjab. It is located at latitude 30.2083° N and longitude 74.9487° E. It has a total area of approximately 3385 km2. This area has significant agricultural potential and is often called the “green district” of Punjab.

2.2. Data Collection

Sentinel-2 satellite imagery and other spatial datasets were used for this research work on farm-level monitoring [5]. To gather accurate and reliable data, a comprehensive field data collection campaign was carried out in targeted areas within the Bathinda district. This extensive collection effort included gathering information about the crops being cultivated and specific crop varieties, as well as recording the GPS coordinates of these locations. Moreover, detailed observations were made concerning other competing crops present across the district and were carefully documented alongside field photographs that visually showcase the different growth stages of wheat crops.

2.3. Data Processing and Analysis

Multispectral satellite data were preprocessed; this involved radiometric and atmospheric corrections. From the processed imagery, vegetation indices such as NDVI, NDRE, and LSWI were calculated to assess crop health and growth [6,7]. Variations in these indices, both spatially and temporally, were then analyzed to evaluate the performance of each individual farm field in terms of wheat crops [8,9,10,11].

2.4. Fortnightly Wheat Crop Monitoring

Fortnightly the wheat crop monitoring data that encompassed crop health, moisture levels, and growth stages were collected for each individual farm field. This valuable dataset was meticulously analyzed to monitor the progress of the crops over time, and detect potential fluctuations in their overall health and growth patterns.

3. Results

Comprehensive analysis of multispectral satellite data has yielded intriguing insights into the performance of the five meticulously selected farm fields, each demonstrating distinct characteristics and trends in their crop health and productivity.

3.1. Farm 1 Analysis

Upon close examination of the data from Figure 1a, key vegetation indices such as LSWI, NDRE, and NDVI consistently exhibited lower values, as shown in Figure 1b. These findings suggest that Farm 1 demonstrated comparatively poorer crop performance throughout the monitoring period. The low values of these indices indicate potential challenges in crop health and growth.

3.2. Farm 2 Analysis

In contrast, Farm 2 presented a more moderate profile when it comes to vegetation indices, as shown in Figure 2a. The data revealed values that fall within a mid-range spectrum for these indices, implying an average level of crop performance. While not exhibiting the same robustness as some other farms, Farm 2 maintained a steady and consistent performance in terms of crop health, as shown in Figure 2b.

3.3. Farm 3 Analysis

As depicted by the data in Figure 3a, Farm 3 displayed a nuanced picture. While it showcased relatively low values for LSWI, which indicates potential water stress, it simultaneously exhibited higher values for NDRE and NDVI, as shown in Figure 3b. These findings suggest that Farm 3 experienced specific variations in crop health, potentially indicating adaptability to varying environmental conditions or farming practices.

3.4. Farm 4 Analysis

Data from Farm 4 is shown in Figure 4a. As shown in Figure 4b, it stood out, with consistently high values for LSWI, NDRE, and NDVI across the entire monitoring period. As shown by the high values in Figure 4b, these indices are indicative of robust crop growth, likely driven by effective agricultural practices, favorable environmental conditions, or both.

3.5. Farm 5 Analysis

Data from Farm 5 is shown in Figure 5a. This farm consistently demonstrated high values for all three vegetation indices. This pattern suggests not only robust crop growth, but also exceptional productivity. The combination of high LSWI, NDRE, and NDVI values in Figure 5b implies that Farm 5 managed to optimize its crop health and achieve a high level of agricultural efficiency throughout the monitoring period.
A detailed analysis of multispectral satellite data for these five farm fields has provided valuable insights into their respective crop performances. The diversity in the results highlights the importance of tailoring agricultural strategies to specific conditions, and the potential for optimization practices in order to enhance crop productivity and overall farm performance. Further investigation and targeted interventions may be required to address the varying challenges and opportunities presented by each of these farms.

4. Discussion

The results of this study emphasize the importance of various factors in effectively managing wheat crops at the farm level. These factors include timely sowing, accurate acreage estimation, crop growth stage classification, health monitoring, harvest status, irrigation management, and soil suitability. Variations in crop growth and productivity were observed among farm fields due to differences in soil properties and sowing dates. Farms that implemented earlier sowing dates generally showed higher vegetation indices, indicating healthier vegetation growth. Furthermore, soil characteristics such as pH level, organic carbon content, and texture played significant roles in determining crop growth and yield [11].

5. Conclusions and Future Recommendations

Our research findings highlight the importance of monitoring wheat crops at the farm level using multispectral satellite imagery. By analyzing vegetation indices and regularly monitoring crop data, valuable insights were gained into crop performance, health, and growth. The study emphasizes the significance of timely sowing, monitoring crop health, managing irrigation effectively, and ensuring soil suitability to optimize wheat crop production in the Bathinda district. Furthermore, adopting smart farming technologies such as drones and robotics may contribute to further enhancing agricultural practices and increasing productivity. Future research should prioritize the integration of this study’s findings with advanced machine learning techniques. This will enable accurate and automated monitoring of crop health. Moreover, it is crucial to explore the potential of remote sensing technologies such as hyperspectral imagery and thermal imaging. These technologies can provide a more comprehensive understanding of crop dynamics. Additionally, conducting comparative studies across various regions and crop types can help generalize the findings and identify specific factors influencing crop performance.

Author Contributions

Conceptualization, B.S., S.K.K. and V.N.M.; methodology, B.S., S.K.K. and V.N.M.; software, B.S. and B.C.; validation, B.S. and S.K.K.; formal analysis, B.S., B.C. and V.N.M.; investigation, B.S., B.C. and S.K.K.; data curation, B.S. and S.K.K.; writing-original draft preparation, B.S.; writing-review and editing, V.N.M.; supervision, V.N.M. and S.K.K. All authors have read and agreed to the published version of the manuscript.

Funding

This research received no external funding.

Institutional Review Board Statement

Not applicable.

Informed Consent Statement

Not applicable.

Data Availability Statement

Data are contained within the paper.

Conflicts of Interest

The authors declare no conflict of interest.

References

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Figure 1. (a) Farm 1; (b) Fortnightly time series spectral signature curve of Farm 1.
Figure 1. (a) Farm 1; (b) Fortnightly time series spectral signature curve of Farm 1.
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Figure 2. (a) Farm 2; (b) Fortnightly time series spectral signature curve of Farm 2.
Figure 2. (a) Farm 2; (b) Fortnightly time series spectral signature curve of Farm 2.
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Figure 3. (a) Farm 3; (b) Fortnightly time series spectral signature curve of Farm 3.
Figure 3. (a) Farm 3; (b) Fortnightly time series spectral signature curve of Farm 3.
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Figure 4. (a) Farm 4; (b) Fortnightly time series spectral signature curve of Farm 4.
Figure 4. (a) Farm 4; (b) Fortnightly time series spectral signature curve of Farm 4.
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Figure 5. (a) Farm 5; (b) Fortnightly time series spectral signature curve of Farm 5.
Figure 5. (a) Farm 5; (b) Fortnightly time series spectral signature curve of Farm 5.
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MDPI and ACS Style

Singh, B.; Chauhan, B.; Kaushik, S.K.; Mishra, V.N. Monitoring of Wheat Crop Growth at Farm Level Using Time Series Multispectral Satellite Imagery. Biol. Life Sci. Forum 2023, 27, 16. https://doi.org/10.3390/IECAG2023-14983

AMA Style

Singh B, Chauhan B, Kaushik SK, Mishra VN. Monitoring of Wheat Crop Growth at Farm Level Using Time Series Multispectral Satellite Imagery. Biology and Life Sciences Forum. 2023; 27(1):16. https://doi.org/10.3390/IECAG2023-14983

Chicago/Turabian Style

Singh, Baljit, Bhavya Chauhan, Sandeep Kumar Kaushik, and Varun Narayan Mishra. 2023. "Monitoring of Wheat Crop Growth at Farm Level Using Time Series Multispectral Satellite Imagery" Biology and Life Sciences Forum 27, no. 1: 16. https://doi.org/10.3390/IECAG2023-14983

APA Style

Singh, B., Chauhan, B., Kaushik, S. K., & Mishra, V. N. (2023). Monitoring of Wheat Crop Growth at Farm Level Using Time Series Multispectral Satellite Imagery. Biology and Life Sciences Forum, 27(1), 16. https://doi.org/10.3390/IECAG2023-14983

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