Abstract
A Field experiment was conducted in groundnut at Krishi vignan Kendra, Palem, Nagarkurnool district, Telangana state, India during rabi 2021 to study the influence of three moisture regimes viz 0.6, 0.8 and 1.0 IW/CPE ratios and five gypsum levels viz G0- Control, G1- 300 kg ha-1, G2- 400 kg ha-1, G3- 500 kg ha-1 and G4- 600 kg ha-1 and was replicated thrice. Experiment was laid out in split plot design. Among different moisture regimes and gypsum levels, significantly higher values of plant height (26.2 cm) at 90 DAS, drymatter production (1803.4 and 3262.3 kg ha-1) at 90 DAS and at harvest were recorded with I3 (1.0 IW/CPE) and with G4- gypsum @ 600 kg ha-1 (plant height- 27.4 cm) at 90 DAS, drymatter production (2092.7 and 4327.9 kg ha-1) at 90 DAS and at harvest. Similarly yield attributes- number of filled pods plant-1- (60) and shelling percentage- (67.1%) and yield- pod and halum yield- (1977.4, 3253.4 kg ha-1 respectively) was also significantly higher with I3 (1.0 IW/CPE), whereas unfilled pods plant-1 was higher (6.1) with I1 (0.6 IW/CPE). 100-kernel weight found to be non-significant. Among gypsum levels highest yield and yield attributes was recorded with G4 i.e., gypsum @ 600 kg ha-1. The interaction effect also found to be significant with respect to drymatter production, filled and unfilled Pods plant-1.
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