Vol. 11, Issue 9 (2022)

Author(s):
Ipsita Kar, BR Nayak, SN Bansude and D Mandal

Abstract:
A field experiment was carried out at Regional Research and Technology Transfer Station, OUAT, Chiplima, Odisha during Rabi 2018 to study the effect of different sources of sulphur on growth and yield of Onion. The experiment comprised of 12 treatment combinations with different sources of sulphur like gypsum, gromor sulphur and gromor and replicated thrice. The treatment combinations were T₁: Absolute control, T₂:100% recommended dose of fertilizer (RDF), T₃: 100% RDF + Zn (5 kg/ha) + B (1 kg/ha), T₄: T₃+ S(20 kg/ha) Gypsum, T₅: T₃+ S(40 kg/ha) Gypsum, T₆: T₃+S(60 kg/ha) Gypsum, T₇: T₃+ S(20 kg/ha) Gromor sulphur, T₈: T₃+ S(40 kg/ha) Gromor sulphur, T₉: T₃+ S(60 kg/ha) Gromor sulphur, T₁₀: T₃+ S(20 kg/ha) Gromor, T₁₁: T₃+ S(40 kg/ha) Gromor and T1₂: T₃+ S(60 kg/ha) Gromor. Significantly highest bulb yield and sulphur uptake was obtained when Gromor sulphur was applied @ 40 kg/ha along with 100% recommended dose of fertilizer, Zinc (5 kg/ha) and Boron (1 kg/ha). Higher value of TSS (Total Soluble Solids) was also obtained under T₈. Hence.