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The present investigation was conducted during rabi 2016-17 to study the effect of sulphur and zinc containing customized fertilizers on yield, quality and nutrient uptake by onion in Inceptisols” at Dr. PDKV, Akola. The experiment was laid out in Randomized Block Design with eleven treatments replicated thrice. The soil of experimental site was Inceptisols. The plant samples were collected, analyzed for content and uptake of major and micronutrients. The results revealed that, the highest onion bulb yield, bulb weight and nutrient uptake were recorded with application of balanced fertilizer dose of NPKS Zn (100:50:50:40:17.50 kg N, P2O5, K2O, S, Zn) followed by application of recommended dose through customized fertilizer grade NPKS Zn + compensation of N and K through conventional fertilizer. Among the customized grades recommended dose applied through grade III (12:45:00:05:01) and compensation of N and K through conventional source recorded highest onion bulb yield, yield attributes and nutrient uptake by onion. The periodical storage study of onion bulb at 30,60,90 and 120 days recorded lowest physiological weight loss in treatments recommended dose of NPKS Zn followed by recommended dose of P through NPS Zn (compensation of N and K through conventional fertilizers). The balanced application of nutrients (N, P, K, S and Zn) either through conventional or customized fertilizer grades (NPS Zn) found beneficial in enhancing onion bulb yield, yield attributing parameters and improvement in onion bulb storage. | Effect of sulphur and zinc containing customized fertilizers on growth, yield and nutrient uptake of onion
