1. Nanomaterials: Scope, applications, and challenges in agriculture.- 2. Nutrient phyto-availability upon nanoparticle application.- 3. Effects of plant-based eco-friendly nanoparticles on growth, chemical composition and bioactivity of plants.- 4. Effect of zinc oxide nanoparticles on crop plants: A perspective analysis.- 5. Response of titanium nanoparticles to plant growth: Agricultural perspective.- 6. Impact of silver oxide nanoparticles on plant physiology: A critical review.- 7. Silicon nanoparticles and plants: Current knowledge and future perspectives.- 8. Copper nanoparticles: A new generation of fungicidal agent and plant growth promoter.- 9. Interaction of copper nanoparticles with plants: Uptake, accumulation and toxicity.- 10. Nanotechnological advances with PGPR applications.- 11. Impending and inadvertent abundance of engineered nanomaterials in soil: Vicissitudes to the soil microbiome and plant health.- 12. Boon or bane: Nanomaterials in plant growth and development.