Abstract
The field experiment was carried out during kharif season of 2022, at crop research farm of Department of Agronomy at Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj in North Eastern plains of Eastern Uttar Pradesh. The soil of the experiment plot was sandy loam in texture, nearly neutral in soil reaction (pH 7.1), low in organic carbon (0.82%), available N (291.24 kg/ha), available P (32.85 kg/ha) and available K (264.78 kg/ha). The treatments included three sources (Zinc), (Boron), (Iron) levels and one control plot, respectively. Randomized block design comprising of 9 treatments with different combination of zinc, boron along with iron which are replicated thrice and T9 is control. The experimental results revealed that application of Zinc 100 ppm + Boron 100 ppm + iron 100 ppm recorded maximum plant height (114.80 cm), Plant dry weight (16.29 g/plant), number of capsules per plant (43.77), Seeds/capsules (69.73), Seed yield (1.10 t/ha), Stover yield (2.45 t/ha).
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