Shimla, Apr 18
In a achievement, researchers from the Indian Institute of Technology Mandi (IIT Mandi) have unveiled a cutting-edge solution poised to revolutionize sustainable agriculture. Their groundbreaking development involves the creation of natural polymer-based multifunctional smart microgels designed for the slow release of essential nutrients, nitrogen (N), and phosphorus (P), in fertilizers.
With global populations projected to surpass 10 billion by 2050, ensuring food security stands as a paramount challenge. Agriculture, as the backbone of sustenance, faces increasing pressure to optimize productivity while minimizing environmental impact. Central to this endeavor is the efficient utilization of fertilizers, which traditionally suffer from low absorption rates, leading to economic losses and ecological harm.
Addressing this critical need, the research team, led by Dr. Garima Agrawal from the School of Chemical Sciences at IIT Mandi, spearheaded a comprehensive study funded by the Science and Engineering Research Board and the Department of Science & Technology, Government of India. Their efforts culminated in the development of natural polymer-based microgels engineered to release nitrogen and phosphorus fertilizers gradually over an extended period.
Dr. Garima Agrawal elucidated the motive behind the research, emphasizing the importance of sustainable and environmentally friendly solutions in agriculture. She remarked, “We have developed natural polymer-based multifunctional smart microgels for the slow release of urea over a longer period. These microgels also act as a potential source of phosphorus for plants and are cost-effective, biodegradable, and environment friendly.”
Notably, the eco-friendly microgel formulation offers versatility in application, enabling integration into soil or foliar application. Rigorous testing, including studies with maize plants, showcased remarkable improvements in seed germination and overall plant growth compared to conventional urea fertilizers. The sustained release of nitrogen and phosphorus fosters crop resilience while reducing fertilizer usage, heralding a paradigm shift towards sustainable agricultural practices.
The findings, published in the esteemed journal ACS Applied Materials & Interfaces from the American Chemical Society, mark a significant stride towards sustainable agriculture. By optimizing nutrient supply, enhancing crop yields, and mitigating environmental challenges associated with traditional fertilizers, IIT Mandi’s innovative microgel technology holds immense promise for global food security and ecological preservation.
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