Assessment the effect of sulphur dose on onion (Allium Cepa) in Koshi region

Abstract

Onion has high demand for the sulphur which affects the Bulb Quality and Productivity but it should be applied in the field carefully so, as it produces acidic effects and adversely affects the plant. The present on farm trial was carried out to study the effect of Sulphur application on the yield and its attributes at 8 farmers field of Madhepura district under supervision of Krishi Vigyan Kendra Madhepura, Bihar Agriculture University, Sabour in Rabi Season from October- 2018 to April - 2019. It was arranged in Randomized Block Design with 3 treatments and 5 replications. Yield attributes for all treatments are significant except neck thickness and neck diameter. Maximum Yield (295q/ha), bulb size (5.56cm), neck thickness (5.8cm) Plant height (51.6cm), Number of leaves (8.3) and length of leaf (39.9cm) were recorded from the doze of 30 kg Sulphur per hectare. Economically, highest net monitory return of Rs. 132494 per hectare was obtained with the application of Sulphur @30 kg/ha. The application of Sulphur at this rate had been found to be non tedious, economically feasible and more convenient.