MUMBAI, India, June 30 -- Intellectual Property India has published a patent application (202641074455 A) filed by Mohan Kandasamy; Sri Shanmugha College Of Engineering And Technology; Dr. G. Vijayakumar; Ms. B. Anandi; Ms. A. Birundha; Ms. S. Madhusri; Ms. G. Monisha; Dr. V. Dharmaraj; Ms. A. Harini; and Mr. S. Pramoth Kumar on June 16, 2026, for Nalam Soil:smart Site Specific Fertilizer Advisory System.
Inventor includes Mohan Kandasamy.
The application for the patent was published on June 26, 2026, under issue no. 26/2026.
Abstract: Accurate soil nutrient assessment plays a critical role in determining crop productivity, especially in smallholder farming systems where input resources are limited and misapplication of fertilizers leads to soil degradation and economic loss. This paper presents the design and development of Nalam Soil, a cost-effective, sensor-based fertilizer advisory system developed to enhance nutrient management precision and decision-making efficiency at the farm level. Conventional soil testing practices, though scientifically valid, often suffer from delayed results, high laboratory costs, and inaccessibility for routine farm use, leading to suboptimal crop performance and environmental impact. The developed system integrates an RS485-based NPK soil sensor interfaced with an RS485-to-TTL converter and an Arduino Uno R4 WiFi microcontroller, ensuring real-time measurement of nitrogen, phosphorus, potassium, moisture, and temperature directly from the field. A web-based advisory platform built on React JS and Node JS is adopted to process sensor data alongside farmer inputs crop type, variety, growth stage, and land area and generate customized organic and inorganic fertilizer recommendations. The system is designed to be affordable, field-deployable, and compatible with smallholder farming conditions, making it economically viable for rural applications. Performance evaluation confirms consistent sensor accuracy, reliable data communication, and practical usability through a simple farmer interface. The proposed system demonstrates the potential to bridge the gap between laboratory-based soil testing and large-scale precision agriculture by offering a practical, low-cost solution tailored for small and marginal farmers. This work contributes to advancing site-specific nutrient management practices at an accessible scale.
Disclaimer: Curated by HT Syndication.
