MUMBAI, India, May 1 -- Intellectual Property India has published a patent application (202621030104 A) filed by Sage University, Indore, Madhya Pradesh, on March 13, for 'apparatus and method for precision pesticide application.'

Inventor(s) include Ms. Sakshi Agrawal; Prof. Lokendra Vishwakarma; Prof. Prasoon Shukla; Onkar Singh; and Jyoti Kumari.

The application for the patent was published on May 1, under issue no. 18/2026.

According to the abstract released by the Intellectual Property India: "An apparatus (100) for precision pesticide application comprises a multispectral image sensor (102) configured to capture vegetation reflectance in near-infrared and red bands, a positive displacement pump (108) configured to deliver liquid pesticide at variable flow rates, and a hardware processor (116) coupled to the sensor (102) and pump (108). The hardware processor (116) receives spectral reflectance data, determines a normalized difference vegetation index from near-infrared and red band reflectance values, determines a target pesticide flow rate based on the normalized difference vegetation index and calibration parameters correlating index values to application rates, and generates a pulse-width modulation control signal to the pump (108) to achieve the target flow rate, thereby enabling real-time variable-rate pesticide application synchronized with instantaneous crop health assessment without requiring pre-loaded prescription maps."

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