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 |
In order to assess the response of maize to applied Mg (0, 5, 10, 15, 20 and 25 kg ha-1) for arriving at the optimum Mg level for this crop and to fix the critical limit of Mg, field experiments were conducted in 14 farmer’s holdings at Pudukkottai district with Hybrid Maize (NK 6240) as a test crop by adopting the Cate and Nelson graphical and statistical (analysis of Variance method) method of critical limit fixation. The soil Magnesium (Mg) content varied from 24 to 408 mg/kg and the Bray’s percent yield varied from 76.2 to 95.0 and these were used to fix the critical limit of Magnesium (Mg) in soil. The R2 value ranged from 0.09 to 0.88 and the postulated critical level of Mg in soil corresponding to the highest R2 (0.88) was recorded as 84 mg/kg.
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