Punjab’s PAU Launches GNSS-Based Auto-Steering System to Boost Precision Farming
21 July 2025, Punjab: In a significant step toward digitalizing Indian agriculture, Punjab Agricultural University (PAU), Ludhiana, has launched a GNSS-based auto-steering system for tractors—marking a transformative move toward precision and smart farming.
The system was unveiled during a live demonstration and press conference at PAU’s research farm, led by Vice-Chancellor Dr. Satbir Singh Gosal. Senior university officials, scientists, and media personnel were in attendance.
What is the Auto-Steering System?
This advanced system leverages satellite signals to automatically steer tractors along precise, predefined paths in the field. It integrates multiple satellite constellations, sensors, and a touchscreen control panel. With the help of real-time positioning, the system enables tractors to perform with accuracy even in low-light or night-time conditions, significantly reducing operator fatigue and minimizing overlaps and missed areas during field operations.
Key Features of the System
The GNSS-based system includes a high-precision receiver for accurate positioning, a wheel angle sensor to monitor steering behavior, and a motorized steering unit for automated control. The ISOBUS-compliant console allows for functionalities like auto headland turns, skip-row operation, and customized turning patterns. Farmers can easily switch between manual and automatic modes with the press of a button.
Improved Efficiency and Performance in Field Trials
According to PAU’s trial data, conventional steering methods often result in 3–12% overlap while operating implements like disc harrows, cultivators, rotavators, and smart seeders. With the new system, overlap was reduced to just 1%, and missed areas fell below 1% from the earlier 2–7%. The system delivered a pass-to-pass accuracy of ±3 cm, contributing to better crop uniformity, resource efficiency, and cost savings.
A Leap Toward Digital Agriculture
Vice-Chancellor Dr. Satbir Singh Gosal emphasized that this innovation is part of PAU’s broader mission to modernize Indian agriculture. “Technology is not a fashion—it’s a necessity for making farming sustainable, efficient, and profitable,” he said. “This system will reduce the physical burden on farmers while enhancing their incomes.”
Integrating Advanced AgTech Tools
Dr. Ajay Singh Dhatt highlighted the growing importance of digital tools such as machine learning, sensors, and navigation systems in agriculture. He noted that this auto-steering system represents a game-changer for Indian farmers.
Dr. Rishi Pal Singh added that Union Agriculture Minister Shivraj Singh Chouhan had recently reviewed PAU’s technological innovations, bringing national attention to these advancements.
Dr. Manjeet Singh showcased PAU’s remote-controlled rice transplanter, which reduces operator fatigue by up to 85% and cuts labor costs by 40%.
Smart Irrigation Systems in Development
PAU also announced ongoing development at its Center for Water Technology and Management, which is building IoT-enabled smart irrigation systems. These systems collect real-time data on soil moisture, water levels, and weather conditions to ensure timely irrigation for crops like rice, wheat, maize, and mung bean.
Building a Smarter, More Profitable Future for Farmers
Collectively, these technological innovations aim to make farming more precise, sustainable, and economically viable. University officials affirmed that these tools are being designed with direct applicability for farmers, empowering them to meet the demands of future-ready agriculture.
Also Read: India to Begin GM Maize Trials in Punjab
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