MUMBAI, India, May 1 -- Intellectual Property India has published a patent application (202611023975 A) filed by Swami Vivekanand Subharti University, Meerut, Uttar Pradesh, on Feb. 27, for 'strawberry-specific adaptive hydrogel-biostimulant composite system and layer-engineered root-zone application method for controlled soil-moisture regulation and drought-responsive yield enhancement.'
Inventor(s) include Dr. Sunil Kumar; Dr. Amit Kumar; Dr. Anuj Yadav; Mr. Pulkit Sharma; and Dr. Avinash Kumar Singh.
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: "The present invention relates to agricultural biotechnology and soil-water engineering, and more particularly to a strawberry-specific adaptive hydrogel-biostimulant composite system and method for enhancing drought tolerance and yield stability. The composition comprises a swelling-regulated superabsorbent polymer matrix based on potassium polyacrylate (80-92% w/w) having a controlled swelling ratio of 350 -420, nano-structural reinforcement agents (0.2-0.8% w/w), micro-encapsulated humic or fulvic acid biostimulants (0.5-1.5% w/w), chelated micronutrients (0.1-0.5% w/w), and a rhizosphere-compatible bio-carrier (0.1-1% w/w). The composite is granulated to 0.8-1.5 mm and applied using a stratified root-zone configuration within 10-25 cm soil depth. Upon irrigation, the composite forms distributed soil micro-reservoirs and subsequently releases up to 90-95% of stored moisture during soil drying. The system reduces irrigation frequency by at least 30-40%, enhances root density and fruit retention, and improves yield and fruit quality under drought stress conditions."
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