National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
Present study was conducted at the Experimental Farm of the Regional Research and Technology Transfer Station, Mahisapat of Dhenkanal district which is situated in Mid Central Table Land zone of Odisha during Rabi 2016-17 and Rabi 2017-18 with six treatments which were arranged in Randomized Block Design with four replications as follows: T1- Soil Test Based Fertilizer Recommendation (STBFR) , T2- STBFR+ Soil application of Boron @1.0 kg/ha, T3- STBFR + soil application of Boron @0.5 kg/ha + Foliar spray of Borax @ 0.2% two times at 30 & 45 DAP , T4- STBFR + Soil application of Zinc @5 kg/ha, T5- STBFR+ Soil application of Zinc @2.5 kg/ha +Foliar spray of ZnSO4@0.5% two times 30 &45 DAP, T6- STBFR+ Soil application of Boron @1 kg/ha &Zinc @5 kg/ha . Obtained results indicated that application of micronutrients like Boron and Zinc to onion crop have significant impact on production of better bulb quality in terms of TSS and also provided better yield and nutrient uptake. Among all the treatment schedule, it was observed that the treatment schedule, T6 i.e., STBFR+ Soil application of Boron @1 kg/ha &Zinc @ 5 kg/ha significantly recorded highest bulb diameter (6.79 cm), bulb weight (72.57 g) resulted highest bulb yield (243.0 q/ha). The available nutrient content in bulb (1.58%, 0.5% and 1.59% of N,P and K respectively) and nutrient uptake in bulb (141.45 kg/ha, 11.27 kg/ha, 112.00 kg/ha of N, P, K respectively) are also found to be highest in T6 which was significantly higher than rest other treatments.
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