Table 2 Comparison of the reported nanofertilizers based on their precursors, size and advantages.
Sr. no | Precursors | Nanofertilizer | Key points/advantage | References |
|---|---|---|---|---|
1 | Copper Sulphate & Zinc Acetate | Zn & Cu Nanoparticles | Rapid absorption & slow release | Abbasifar et al.70 |
2 | Citric Acid & Diammonium Phosphate | N-Carbon Dots | Enhancement of lettuce yield and quality | Tan et al.28 |
3 | Sucrose & Ortho-Phosphoric Acid | Carbon Nanoparticles | Promote nutrient absorption and accumulation | Shekhawat et al.71 |
4 | SiO2 & Chitosan | Chitosan-silicon Nanoparticles | Introduce antioxidant-defense enzyme activities and equilibrated cellular redox homeostasis | Kumaraswamy et al.72 |
5 | Tetraethyl orthosilicate and Ammonia Solution | Silica (SiO2) Nanoparticles | Increase metabolic balance and effective as an insecticide | El-Naggar et al.31 |
6 | Sodium silicate, Aluminum sulfate sodium hydroxide Ferrous Chloride & Cupric Chloride | A mixture of Zn-Fe-Cu hybrid nanocomposite and nano zeolite | Increase mineral contents and vitamins | Rahman et al.73 |
7 | Zinc acetate dihydrate & citric acid | Zinc Oxide Nanoparticles | Improve the antioxidant defense system | Yusefi-Tanha et al.74 |
8 | Sodium citrate, sodium carbonate, urea, potassium phosphate, potassium nitrate and calcium nitrate | NPK-Calcium Phosphate Nanoparticles | Provide and slow release of multi-nutrients to soil | Ramírez-Rodríguez et al.75 |
9 | Coal fly ash (waste precursor) | Nitrogen-enrich fluorescent SiNPs | Increase the photosynthesis rate in the plant growth and improve tolerance to the abiotic and biotic stimuli via the FRET mechanism | Current Work |
