Agricultural nanotechnology for precision farming and controlled agrochemical delivery

Nanotechnology has emerged as a transformative tool in agriculture, offering innovative solutions to enhance productivity, sustainability, and food security. Owing to their nanoscale size and unique physicochemical properties, nanoparticles (NPs) play crucial roles in improving seed germination, nutrient uptake, plant growth, and stress tolerance while minimizing the reliance on conventional chemical fertilizers and pesticides. Recent advancements highlight the use of nanofertilizers, nanopesticides, and nanobiosensors for precision farming, disease detection, and controlled agrochemical delivery. Additionally, nanomaterials contribute to soil and water remediation, food preservation, and packaging, reducing post-harvest losses. This review discusses diverse nanoparticles, emphasizing their synthesis, modes of application, and mechanisms of action in plants. It also addresses barriers such as nanoparticle uptake, plant physiological defenses, and concerns regarding toxicity, biosafety, and regulatory challenges. Overall, nanotechnology holds immense potential to revolutionize modern agriscience by promoting sustainable practices and improving global agricultural resilience.