Effect of foliar application of nano-nitrogen on growth and yield of wheat grown under long term FYM amended soil
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Date
2022-09
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Chaudhary Charan Singh Haryana Agricultural University hisar
Abstract
A field experiment entitled “Effect of foliar application of nano-nitrogen on growth and yield
of wheat grown under long term FYM amended soil” was conducted during rabi season of 2021-22 at
Soil Science Research Farm of CCS Haryana Agricultural University, Hisar. The experiment consisted
of a combination of four levels of FYM treatments (0, 5, 10 and 15 t/ha) in main plot, three levels of
nitrogen (0, 60 and 120 kg/ha) and two nano- nitrogen treatments (with and without application of
nano-nitrogen) in sub-sub plot laid out in split-split-plot design with three replications.
The results in general indicated that highest values of crop growth parameters like plant
height, dry matter accumulation, LAI and number of tillers/m2 were recorded with the application of
FYM 15 t/ha. The yield attributing characters, wheat yield (grain yield, straw yield and biological
yield), nutrient (NPK) uptake by crop were also significantly higher where FYM 15 t/ha was applied in
comparison to lower doses. The positive response was observed even at lower doses of FYM in
comparison to control. Similarly, application of 120 kg N/ha significantly increased growth parameter,
yield and yield attributes as compared to 60 kg N/ha and control treatment. The application of nanonitrogen
was also found effective in achieving significantly higher growth, yield attributes and yield
than treatment where nano-nitrogen was not applied. The nano-nitrogen also significantly increased the
nitrogen content in grain and straw and NPK uptake by the crop. The combined application of FYM 15
t/ha along with 120 kg N/ha and two spray of nano-nitrogen proved the best integrated package
recording the highest grain, straw and biological yield of wheat. Gross returns, net returns and benefitcost
ratio were also maximum under combined application of 15 t/ha farm yard manure, 120 kg N/ha
and nano nitrogen. This study proved that INM practice is the viable and feasible option for increasing
the wheat productivity and nano-nitrogen would also be key component of INM practices in the
coming years.