Effect of zinc oxide nanoparticles embedded NPK fertilizer on growth, yield and zinc concentration and uptake of aromatic rice (Oryza sativa)

KIRTTIRANJAN BARAL; DINESH KUMAR; YASHBIR SINGH SHIVAY

doi:10.56093/ijas.v90i8.105980

Authors

KIRTTIRANJAN BARAL Ph D Scholar, ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India
DINESH KUMAR Principal Scientist, ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India
YASHBIR SINGH SHIVAY Ex–Professor and Principal Scientist, ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India

https://doi.org/10.56093/ijas.v90i8.105980

Keywords:

Aromatic rice, Productivity, Zinc concentration, ZnO nanoparticles, ZnSO4.7H2O, Zinc uptake

Abstract

Application of ZnO nanoparticles in conjunction with NPK fertilizers helped in increasing growth parameters, enhancement in Zn concentration in rice grain and straw and also grain yield and could save a significant amount of nutrients. As highest grain yield was recorded with application of 100% NPK + 7.5 g ZnO Nps/ha which was statistically at par with 75% NPK + 7.5 g ZnO Nps/ha, hence it can be concluded that application of 75% NPK + 7.5 g ZnO Nps/ha is best as it required 25% less NPK. Likewise, ZnO nanoparticles application had a significant effect on Zn concentrations. Therefore, it can be inferred that ZnO nanoparticles application embedded with NPK fertilizer can save nutrients, increase nutrient concentration and also profit can be accrued due to less requirement of nutrients than recommended dose of fertilizers.

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