International Journal on Science and Technology

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Volume 16 Issue 4
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Role of Metal Oxides in Nanofertilizers: A Short Review

Author(s) Mamta Satishrao Pawar, Pravin Suresh Patil, Dilip Uttam Ahire
Country India
Abstract Metal oxide nanomaterials have emerged as promising components in the formulation of next-generation nano-fertilizers due to their unique physicochemical properties, high surface area, controlled nutrient release, and enhanced plant bioavailability. Unlike conventional fertilizers, which often suffer from low nutrient use efficiency and environmental losses, metal oxide-based nano-fertilizers such as ZnO, Fe₂O₃, TiO₂, MnO₂, Ag, NiO, CuO, and MgO offer improved nutrient delivery mechanisms and promote sustainable agriculture. These nanofertilizers play a vital role in enhancing photosynthetic activity, enzymatic functions, and overall plant growth while minimizing the excessive application of bulk fertilizers that contribute to soil and water contamination. Metal oxide nanoparticles act as micronutrient carriers, stress protectants, and soil health enhancers by facilitating controlled ion exchange and nutrient release kinetics. Also their interaction with soil microbiota, potential toxicity, and long-term environmental fate remain vital research areas. This short review comprehensively discusses the synthesis methods, structural characteristics, nutrient delivery mechanisms, and agronomic benefits of metal oxide nanofertilizers, along with their challenges and future prospects toward sustainable agricultural applications.
Keywords Metal oxides, Nano-fertilizers, Nutrient delivery, Sustainable agriculture, Plant growth, Soil health.
Field Biology > Agriculture / Botany
Published In Volume 16, Issue 4, October-December 2025
Published On 2025-10-08
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