Grain Yield and Nutrient Uptake of Rice as Influenced by the Nano Forms of Nitrogen and Zinc
Shagam Lahari, S. A. Hussain, Y. S. Parameswari, S. Harish Kumar Sharma
International Journal of Environment and Climate Change · pp. 1–6 · Published 18 Aug 2021
10.9734/ijecc/2021/v11i730434Abstract
An experiment was conducted at college farm, College of Agriculture, Rajendranagar, Hyderabad, Telangana, in Sandy loam soils during rabi, 2020 to study the effect of nano nitrogen and nano zinc on the yield and nutrient uptake of rice (Oryza sativa. L). The experiment was carried out in randomised block design with 10 treatments and 3 replications. Results revealed that application of 50% conventional nitrogen fertilizer + foliar spray of 4 ml L-1 nano nitrogen at tillering and before panicle initiation stage + foliar spray of 2 ml L-1 nano zinc at tillering and before panicle initiation stage (T10) significantly increased the grain yield (6810 kg ha-1) and uptake of nitrogen (147.7 kg ha-1), phosphorous (30.0 kg ha-1), potassium (137.9 kg ha-1) and zinc (367 kg ha-1) which were on par with (T9) application of 50% conventional nitrogen fertilizer + foliar spray of 4 ml L-1 nano nitrogen at tillering and before panicle initiation stage.
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