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A field study was conducted during Kharif, 2021 at Seed Research and Technology center (SR&TC), PJTSAU, Hyderabad with the nano fertilizer (nano P nano Zn+Fe) seed coated material of groundnut TAG-37A obtained from TERI. The data on soil nutrient status (Before and After conducting the experiment), field emergence, plant stand establishment, plant height at 30DAS and at harvest, leaf chlorophyll content, No. of pods per plant, seed yield per plant, seed yield per hectare, 1000 seed weight and seed recovery (%) were collected from the field studies. Among the various treatments under study, T6 treatment (100 % NPK+ 75 % Zn+ Fe+ 100 % Seed coating with nano Zn+Fe) recorded the highest field emergence (81.25%), plant stand establishment (113), plant height at 30DAS (17.15cm), leaf chlorophyll content (35.75), no. of pods per plant (53.95), seed yield per plant (20.55g), seed yield per hectare (3041kg), 1000 seed weight (386.5g) and seed recovery percentage (71.33%). This clearly shows the superiority of 100% seed coating with nano Zn+Fe in improving the crop growth, yield and yield attributing characters in groundnut and also to replace the 25% soil application of Zn+Fe fertilizers. |
