Studies on Integrated Nutrient Management for Yield and Nutrient Uptake in Onion (Allium cepa L.)

M.N. Bhalekar, K.G. Shinde, D.H. Rathod, B.T. Patil

Abstract


A field experiment was conducted to study the effect of integrated nutrient management on yield and nutrient uptake of onion Mahatma Phule Krishi Vidyapeeth, Rahuri during rabi season 2013-14. A treatment receiving 110:40:60:40 kg NPKS + 7.5 tons of Farm Yard Manure (FYM) + 2.5 tons of Poultry Manure (PM) + 2.5 tons of Vermi Compost (VC) + bio-fertilizer (5 kg each of Azospirillum + Poshphobacteria) hectare-1 recorded the highest bulb yield of 50.38 t/ha-1 as compared to absolute control (20.57 t/ha-1). It is indicated that the use of bio-fertilizers in combination with inorganic fertilizers and organic manures offers a great opportunity to increase the production of onion. The maximum increase in total bulb yield was recorded in Integrated Nutrient Management (INM) treatment over control. The total nutrient uptake of NPKS was influenced by various treatments of integrated nutrient management system. Thus, the INM practices were better for higher yield, nutrient uptake and fertility status of soil.

Keywords


Onion, Nutrient uptake, INM, Soil fertility

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References


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