New IconInternational Seminar on "AGRISKILLS FOR CONVERGENCE IN RESEARCH INDUSTRY & LIVELIHOOD (ACRIL)"New Icon
Vol. 11 No. SP
Influence of sulphur fertilization on nutrient uptake of onion (Allium cepa L.)
Author(s): R. PRADHAN, A. K. PATTNAIK, P. TRIPATHY, K. MALLIKARJUNARAO, B. B. SAHOO AND J. LENKA
Abstract: Field experimentation conducted to examine the nutrient uptake in onion due to application of sulphur(S) was conducted at OUAT and found that application of sulphur(S) @ 45 kg ha-1 as gypsum significantly produced maximum bulb yield of 251.10 q ha-1 followed by S @ 30 kg ha-1 as gypsum (226.07 q ha-1). Significantly maximum uptake of N, P, K, S (14.84, 0.66, 10.08 and 0.85 kg ha-1, respectively) was observed by S @ 45 kg ha-1 as elemental sulphur followed by @30 and 45 kg ha-1 as gypsum. The results on nutrient uptake by bulbs indicated maximum of 74.66, 7.08, 35.62 & 9.02 kg ha-1 NPKS by application of S @ 45 kg ha-1 followed by 30 kg ha-1 as gypsum. Similar trend was also observed for total nutrient uptake. Thus, it may be concluded that application of S @ 30 or 45 kg ha-1 in the form of gypsum not only increases the bulb yield but also higher uptake of nutrients in onion.
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