Abstract
In the developing world rice (Oryza sativa L.) is the most important cereal crop and it is the staple food of over half of the world’s population. More than 90% of rice is produced and consumed in Asia. Extensive use of chemical fertilizers causes a great alteration in soil physiology and reduce the soil fertility, damages the flora and causes soil erosion and reduce NUE (Nutrient Use Efficiency). A field experiment was conducted in the year 2019-20 in summer rice at the institutional farm, Jaguli, B.C.K.V, Nadia, West Bengal on “Effect of different nano-fertilizer on growth and yield of summer rice” to study the effect of nano-fertilizers on growth, yield and yield components of summer rice. In case of plant height and dry matter accumulation (g/m2), the highest value was observed in T8 treatment (50% Recommended dose of Zn + 100% N - P - K+ Foliar application of Nano Zn). In LAI also the same trend follows as like DMA. Maximum grain yield and straw yield was recorded from T8 treatment (5.61 t/ha and 6.18 t/ha respectively) followed by T9 treatment. It was observed that highest B:C ratio was also seen in T8 treatment followed by T9 and T3 treatment. From the economic analysis of different treatments, it was observed that highest B:C ratio was seen in T8 treatment followed by T9 and T3 treatment. So, T8 treatment is beneficial in economical aspect also.
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