Author(s): Gour Ruchita, Sharma Roopesh and Thakur Riya

Abstract: A field experiment was carried out to study the “Effect of integrated nutrient management on growth and yield of onion (Allium cepa L.) under Malwa Plateau of Madhya Pradesh” during Rabi seasons of 2020 and Rabi seasons of 2021 under irrigated conditions at Village –Ratadiya, Block – Ghattiya, Distt – Ujjain Madhya Pradesh. The experiment consist has 12 treatments with control like T₁-Control, T₂-100% inorganic RDF (N:P:K:S:Zn 120:60:80:40:05), T₃-Soil Test Based Fertilizer Recommendation (STV), T₄-75% RDF inorganic + 25% N through Vermicompost, T₅-75% RDF inorganic + 25% N through Poultry manure, T6-75% RDF inorganic + 25% N through Neem cake, T₇-50% RDF inorganic + 50 N through Vermicompost, T₈-50% RDF inorganic + 50% N through Poultry manure, T₉-50% RDF inorganic + 50% N through Neem cake, T₁₀-100% N through vermicompost (VC) (7.0 t/ha), T₁₁-100% N through poultry manure (PM) (5.0 t/ha), T12-100% N through Neem cake (NC) (3 t/ha) with three replications. The observation to be recorded for plant growth parameters such as plant height (cm) at 45 and 90 DAT and number of leaves 45 and 90 DAT. Plant yield parameters such as Average bulb weight (g), No. of scales per bulb, Bulb yield (q/ha), Bolting percentage and Harvest Index. The result revealed that the maximum plant height (cm) at 45 and 90 DAT (38.99 and 49.20 cm) and length of leaf (cm) 45 and 90 DAT (7.85 and 10.65). Plant yield parameters such as Average bulb weight (58.26 g), No. of scales per bulb (11.07), Bulb yield (382.85 q/ha), Bolting percentage (1.65) and Harvest Index (102.31) and the minimum was found under the Control.

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