Impact of Integrated Nutrient Management on Growth and Yields of Sesame (Sesamum indicum L.) at Lower Gangetic Alluvial Zone of West Bengal
Abhijit Saha
RAKVK, Nimpith, South 24 Pgs. India.
Kushal Dasgupta
*
RAKVK, Nimpith, South 24 Pgs. India.
Atanu Mahanty
Department of Agronomy, University of Calcutta, Kolkata, India.
*Author to whom correspondence should be addressed.
Abstract
Aims: To study the effect of organic manures and chemical fertilizers on growth and yields of Sesame.
Place and Duration of Study: A field experiment was conducted in lower Gangetic alluvial soils of West Bengal at agricultural experimental farm of University of Calcutta, Baruipur, South 24 Parganas during summer season of 2021.
Methodology: The field experiment was laid out in a randomized block design with eight treatments replicated thrice and the variety used was Sabitri. The treatments were: NPK@ 50:30:25+ Manganese Sulphate (5 kg/ hectare) (T1), FYM + NPK @ 35:23:23 (T2), NPK @ 21:23:23+ Seed treatment with Azospirillum (600 g/ha) + Phosphobacteria (600 g/ha) (T3), Seed treatment with turmeric powder @ 10 gm/kg, Soil application of Organic Amendment with FYM and Neem cake @150 kg/ha (1:1), Untreated check (T5), Application of soil ment (11.12 kg/ha) (T6), Application of Humic acid (3.6 kg/ha) (T7), Application of sea weed (2 ml/l of water) (T8), A uniform dose of FYM was applied to all the plots as basal.
Results: Maximum plant height (93.45 cm), dry matter accumulation (104.19 g/m2) and LAI (4.77), Length of capsule (3.38 cm), no. of capsule/plant (64.6), no. of seeds/capsule (77.62), grain yield (930.12 kg/ha) and straw yield (2676.97 kg/ha) were recorded from the application of NPK @ 21:23:23+ Seed treatment with Azospirillum (600 g/ha) + Phosphobacteria (600 g/ha) (T3).
Conclusion: The result of the present study revealed that integrated application of NPK along with biofertilizers [NPK @ 21:23:23 + Seed treatment with Azospirillum (600 g/ha) + Phosphobacteria (600 g/ha)] gave higher growth attributes, yield attributes and yield.
Keywords: Azospirillum, integrated nutrient management, phosphobacteria, sesame, straw yield, grain yield