National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
Onion is a very important commercial vegetable crop in the kitchens of India. Sulphur is an important nutrient that affects the yield and quality of onion. Keeping this in view an experiment was conducted to study the effect of graded levels of sulphur on yield and quality of onion at Horticultural Research Farm of Institute of Agriculture, Visva-Bharati, Sriniketan, India. The treatments consisted seven incremental doses of sulphur viz. 0, 10, 20, 30, 40, 50 and 60 kg S ha-1 as magnesium sulphate in a randomized block design with three replications. Yield attributes responded favourably to the sulphur application in the range of 40-50 kg ha-1. Maximum bulb yield (28.52 t ha-1) of onion was recorded with 40 kg S ha-1. Nutrient uptake by bulb was also found maximum in the sulphur application of 40 kg ha-1. Maximum pyruvic acid, reducing sugar and total sugar was registered in application of sulphur @ 40 kg ha-1, 40-50 kg ha-1 and 60 kg ha-1 respectively. Total soluble solids (TSS) did not have any significant variation among the treatments. Results revealed that onion responded well with sulphur as magnesium sulphate and application of sulphur @40 kg S ha-1 is helpful in augmenting the higher productivity and better quality of onion in sulphur deficient red and lateritic soils of West Bengal, India.
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