Abstract
The present experiment was carried out on onion cultivar Agrifound Dark Red during Rabi season 2018-19 with objective to know the effect of integrated nutrient management (INM) on growth, bulb yield and quality of onion. The experiment was laid out in a randomized block design with three replications. The treatments consisted of T1 -Control, T2 – 100% NPK, T3– 75% NPK +Azotobactor, T4 – 75% NPK + PSB, T5 – 75% NPK + Azotobactor + PSB, T6- 50% NPK + Azotobactor, T7 - 50% NPK +PSB, T8 - 50% NPK + Azotobactor + PSB, T9 - 100% NPK + Vermicompost. Results revealed that application of different levels of fertilizers, viz., organic manures and biofertilizers either alone or in combination significantly increased the growth, bulb yield and quality of onion as compared to control. The maximum bulb yield (235.483q/ha) and diameter of bulb (4.443cm) were recorded with 100% NPK + Vermicompost.
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