Year: 2018 | Month: February | Volume 11 | Issue 1
Response of Various Yield of Sweet Sorghum Crop (Sorghum bicolour L. Moench) to Different Levels of Fertilizer in Lateritic Soil of Birbhum, West Bengal
Abstract:
Strategic management and efficient application of inputs are the primary demands for sustainable, healthy and promising bio energy cropping system. Sweet sorghum (Sorghum bicolor L. Moench) is identified as an industrial crop by virtue of accumulation of fermentable sugars in stem and the stalk syrup is an enriched source of bio ethanol. To make an increasing profit from cultivation of sweet sorghum in Gangetic plains of West Bengal, several agronomic practices have been proposed both in general parameters and nutrient management. This plot experiment was conducted in open pollinated field condition to evaluate the response of different N, K and P doses on growth and sugar yield of sweet sorghum in this agro climatic zone. The experiment was conducted at Visva Bharati Agriculture Farm, Birbhum during 2017 in a randomized block design (RBD) having three replications. The total number of treatment combinations were 18 (3N×2P×3K) with a total of 54 plots. Data were collected on every 30 days interval starting from 40 Days after Sowing (DAS) to 130 DAS. The results revealed that maximum plant height of 192.19 cm was observed in N3P2K2 treatment at 130 DAS. The maximum Green Biomass of 26.47 t/ha was observed with N3P1K3 treatment at 100 DAS. The maximum sugar concentration of 9.34% was observed with N3P2K3 treatment at 100 DAS and the highest sugar yield of 1717.62 kg/ha with the same ratio of fertilizer treatment. All the values of parameters statistically evaluated to identify the cost-effective status as well as the significance of the study.
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