Author(s):

Amarjeet Kaur and Snehdeep Singh

Abstract: To assess the role of various fertilizers and azotobacter (<em>biofertilizer</em>)<strong> </strong>on the performance of kharif onion<em> </em>(<em>Allium cepa </em>L.) cv. Agrifound Dark Red a field experiment was carried out in the experimental plot of Department of Horticulture, Khalsa College, Amritsar during 2017-18. The experiment was laid out in Randomized Block Design with eleven treatments replicated three times. Results of the study revealed that the combined application of organic, inorganic fertilizers and <em>biofertilizer</em>s had significant effect on the physical and biochemical characteristics of kharif onion. It is evident from the results that the treatment T₁₀(50% RDF + 50% vermicompost + 25% <em>biofertilizer</em> (azotobacter) (4Kg/h) was the remarkable treatment for improving the physico-chemical properties of kharif onion in terms of maximum plant height (56.61 cm), leaf number (11.52), neck thickness (2.69 cm), bulb diameter (2.49 cm) and bulb weight (79.35 cm). Increase in yield (256.80 q/ha) and TSS (14.3 ⁰ Brix) was also registered under the same treatment respectively.

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