Author(s): A. Ghosh, V. J. Singh, G. Srihima, P. Sahoo and S. K. Chakraborti

Abstract: An investigation was carried out to study the effects of application of gypsum and lime (lime sludge) to seed crop of groundnut variety TAG-24 on seed yield parameters. The study consisted of 12 treatment combination T1 as control, T2 NPK+ Gypsum @ 50 kg ha-1 (100% basal), T3 NPK+ Gypsum @100 kg ha-1 (100% basal), T4 NPK + Gypsum @150 kg ha-1 (100% basal), T5 NPK+ Gypsum @ 50 kg ha-1 (50 % basal + 50 % top dressing), T6 NPK + Gypsum @ 100 kg ha-1 (50 % basal + 50 % top dressing), T7 NPK + Gypsum @ 150kg ha-1 (50 % basal + 50 % top dressing), T8 NPK + Gypsum @ 50 kg ha-1 (75% basal + 25 top dressing), T9 NPK + Gypsum @ 100 kg ha-1 (75% basal + 25 % top dressing), T10 NPK + Gypsum @ 150 kg ha-1 (75% basal + 25 % top 10 dressing), T11 NPK + Lime @ 100% LR (basal) and T12 NPK + Lime @ 20% LR (basal) + Gypsum 50 kg ha-1 (100% top dressing). The crop was evaluated in term of Plant height, Number of branches, Days of first flowering, Harvesting maturity, number of pegs/plant, Number of effective pegs, Number of matured pods, Number of immature pods, pod weight, Shelling percentage, Number of seed/ pod, Weight of 100 seed (g), Pod yield/ plant (g), Pod yield/ha and Number of seed/kg. Result of the investigation revealed that the plant height, number of pods per plants, 100-pod weight, pod yield per plant, shelling percentage and 100-seed weight were significantly increased in T6 and T12 respectively.

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