How AI and sensor technologies are boosting agricultural productivity

6 mins read

Artificial intelligence (AI) is transforming industries worldwide, and agriculture is no exception.

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Monitoring every aspect of the growth cycle is essential. AI enhances and optimises agricultural processes by providing real-time data analysis and decision-making capabilities. By utilising soil sensors, humidity probes, temperature sensors, light sensors, and imaging devices, AI can collect and analyse critical data around environmental conditions and crop health. This information enables farmers to make informed decisions about irrigation, fertilisation, pest control, and other practices.

Used in conjunction with IoT communication solutions, growers can ensure seamless integration and efficient operation of these technologies, creating a more interconnected agricultural system.

Modern agriculture faces a complex interplay of environmental, technical, and social challenges, all of which demand a cohesive and urgent response to ensure resilient food production systems. As the global population continues to grow, the demand for food is intensifying, exerting immense pressure on agricultural systems to produce more with increasingly limited resources. One significant hurdle is the loss of arable land to urbanisation and industrialisation.

Additionally, many farms still rely on outdated technologies, lacking the modern tools necessary for optimising productivity and sustainability.

Social challenges compound these issues. The ageing population of farmers, especially in rural areas, threatens the future of farming, as younger generations are becoming reluctant to pursue agricultural careers. Small-scale farmers and those in developing regions face additional obstacles, including limited access to the resources and technologies needed to enhance their practices.

Environmental challenges, including soil degradation, rising temperatures, shifting precipitation patterns, and more frequent extreme weather events, disrupt farming cycles and reduce crop yields. Soil degradation, driven by over-farming, deforestation, and unsustainable practices, diminishes land fertility. Additionally, biodiversity loss undermines ecosystem resilience, making it harder for farms to withstand pests and diseases. The impact of both natural and human-made disasters further increases these challenges. Floods, droughts, wildfires, and storms can devastate crops, soil, and infrastructure, leading to substantial economic losses and food insecurity.

Given these challenges, adopting sustainable and intelligent practices is imperative. By leveraging technologies like AI and wireless connectivity, we can enhance resource efficiency, improve crop yields, and promote environmental stewardship. Embracing sustainability is essential for modern agriculture to overcome these environmental, technical, and social challenges.

AI Utility Extends into Predictive Analysis

AI is reshaping agriculture, streamlining operations through sophisticated cloud-based platforms, advanced analytics, and decision-support systems. It also enables more sophisticated and targeted control at the edge.

AI facilitates the processing and analysis of data from myriad sensors across farms, all centralised within the cloud. This integration offers a detailed, real-time overview of agricultural conditions, blending weather, soil, and crop data to furnish farmers with actionable insights for immediate application.

The utility of AI extends into predictive analytics, a cornerstone for modern farming decision-making. By harnessing machine learning (ML) algorithms, AI systems analyse data trends to forecast potential challenges and opportunities within the agricultural cycle, such as pest infestations, disease outbreaks, and the most favourable times for planting and harvesting. These predictive insights enable farmers to pre-emptively tailor their irrigation, fertilisation, and pest control strategies, improving both yield and resource efficiency.

AI is making a significant impact on agriculture by providing highly customised decision support that can effectively direct farmers on how to farm a specific field rather than relying on more generalised best practices. These AI-driven systems amalgamate data from diverse sources, including weather patterns, soil conditions, and market dynamics, to provide targeted recommendations. Platforms like Climate FieldView use AI to offer tailored field-level insights and recommendations for planting, spraying, and harvesting, enhancing the efficiency of farming operations.

AI's influence also extends to environmental stewardship and land management. Through sophisticated modelling techniques, AI aids in identifying and implementing best practices for land restoration and sustainable management. Tools like the LandPKS app leverage AI to combine GPS data, user inputs, and extensive global databases, offering essential information on soil and climate conditions. This supports not only sustainable agricultural practices but also informed decision-making for landowners and environmentalists focused on land conservation.

Moreover, AI, alongside ML, plays a crucial role in precision agriculture, particularly in the variable-rate application of resources. By adjusting the application of water, fertilisers, and pesticides based on the specific needs of each field, AI-driven practices minimise waste and environmental impact, elevating efficiency and reducing resource usage.

In essence, AI's integration into smart agriculture is transformative, enhancing efficiency, sustainability, and the strategic use of data for informed decision-making. Through its various applications, AI not only improves farm management and yields but also supports the health of the planet, illustrating the profound impact of technology on the future of farming.

The Role of Sensors for Creating Actionable Data

To impact agriculture, AI relies on a wide range of sensing technologies for the vital data that is used to drive actionable outcomes. Supporting AI and ML applications are a wide range of localised sensors to help collect continuous environmental data, optimising irrigation and resource delivery.

A wide array of electrochemical and temperature sensors can be deployed to help determine soil condition. Smart soil sensors, like Seeed Studio's MODBUS-RTU RS485 Soil Sensor, offer combined sensing, providing an accurate indication of soil temperature, moisture level, and composition. These devices can be used in fields and greenhouses to continuously monitor soil and plant health. When combined with AI technology, they enable the implementation of specific actions to enhance plant well-being and minimise resource usage.

In addition to combined solutions, single sensor types are frequently utilised to deliver precise feedback or to enable automations, such as automated window opening in greenhouses or smart irrigation. Amphenol Advanced Sensors offers a range of sensors designed to meet the demands of the latest expanding agricultural applications, such as the Thermometrics T9501 (see below), which features a water-resistant IP67 rating and enables farmers to monitor both air and soil conditions accurately.

Amphenol Advanced Sensors Thermometrics T9501 humidity and temperature sensor. (Source: Mouser Electronics)

To support the seamless integration of these technologies  FlexPIFA 6E antennas ensure reliable data transmission between sensors and AI platforms. Designed for harsh conditions, these antennas enable stable communication, ensuring continuous data transmission to AI platforms for timely and accurate decision-making.

Stationary sensors are not the only method for capturing farm data. Drones and robots significantly enhance farming efficiency and sustainability. Equipped with advanced cameras and sensors, drones monitor crop health, identify diseases and pests, and assess growth patterns over large areas where localised sensors are economically unviable. Drones like DJI's Agras also enable targeted delivery of fertilisers and pesticides.

Similar to drones, autonomous robots are revolutionising farming by undertaking tasks like seeding, weeding, and harvesting. These innovations automate labour-intensive processes, improving accuracy and efficiency in crop management. This technological shift has not only reduced the reliance on manual labour but also promoted a more sustainable approach to farming by minimising waste and chemical use.

Real-World Technology Integration

The agricultural industry is witnessing a transformation with the integration of cutting-edge technology, resulting in both enhanced traditional machinery and the creation of novel solutions that leverage innovations like edge AI, IoT sensor networks, and ML algorithms.

With a hardware agnostic approach, Edge Impulse is a platform that enables the development and deployment of high-performance AI models at the edge. One example of their technology in action involved addressing over-irrigation by deploying an ML-based solution.  Using an edge control board from Arduino with temperature and humidity sensors, telemetry is collected, processed, and analysed to optimise water usage.

The project employed local data storage and decentralised operation, achieving high accuracy in determining irrigation needs and enhancing resource efficiency. This demonstrated the viability of Edge Impulse’s solution in agricultural applications.

Geospatial Data and AI Analytics

Geospatial data and AI analytics have significantly improved soil health and crop yields. Satellite imagery and drones collect high-resolution images, which AI algorithms analyse to create detailed maps of soil moisture, nutrient levels, and crop health. Farmers use these maps to apply resources precisely, reducing waste and enhancing productivity. Initial indications show that reduced amounts of water and fertiliser are needed—anywhere from 20 percent to 40 percent less. 

Microsoft FarmBeats

Microsoft FarmBeats integrates IoT sensors with AI to monitor soil and weather conditions. Sensors collect data on soil moisture, temperature, pH levels, and weather, transmitting it to a cloud-based AI platform for real-time insights and recommendations. The AI predicts optimal times for irrigation, planting, and harvesting, helping farmers optimise water usage, improve crop health, and increase productivity.

University of Illinois and John Deere Partnership

The University of Illinois and John Deere partnership develops advanced agricultural equipment using AI and ML. They have created autonomous tractors and robotic harvesters with AI-driven sensors and cameras. These machines perform tasks like ploughing, planting, and harvesting with high precision, adjusting operations based on real-time data. This has improved resource efficiency and reduced labour costs, enhancing operational efficiency and crop yields.    

Conclusion

AI is revolutionising agriculture by addressing the industry's environmental, technical, and social challenges. Using cloud-based platforms, AI-powered analytics, and advanced sensors, farmers can optimise their operations and promote sustainability.

Engineers play a crucial role in developing and implementing these innovative AI solutions, driving the future of smart agriculture and ensuring food security for generations to come. As the agricultural sector continues to evolve, the integration of AI and other advanced technologies will be essential for overcoming the complex challenges faced by modern agriculture.

Author details: Mark Patrick, Director of Technical Content, EMEA, Mouser Electronics