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 |
A field experiment was conducted at All India Coordinated Research Project on Dryland Agriculture, Dryland Farming Research Station, Bhilwara, (MPUAT, Udaipur) Rajasthan, for continuous four years on fix site during Kharif season of 2014, 2015, 2016 and 2017. The experiment comprised of 4 potassium levels; K0 (0 kg K2O ha-1), K20 (20kg K2O ha-1), K40 (40 kg K2O ha-1) and K60 (60 kg K2O ha-1) and 4 magnesium levels; Mg0 (0 kg MgSO4.7H2Oha-1), Mg1 (15 kg MgSO4.7H2O ha-1), Mg2 (30 kg MgSO4.7H2O ha-1) and Mg3 (45 kg MgSO4.7H2O ha-1). Total 16 treatment combinations were tested in factorial randomized block design with three replications. Maize variety ‘PM-3’ was taken as a test crop. The application of K60 (60 kg K2O /ha) resulted in production of maximum grain and stover yields during 2014, 2016 and 2017 with a mean grain yield (2690 kg ha-1) and mean stover yield (6592 kg ha-1), respectively. The mean grain yield 2590 kg ha-1 was recorded under the treatment receiving 40 kg K2O ha-1. Magnesium application also significantly increased grain and stover yields. Application of Mg45 (45 kg MgSO4 /ha) produced maximum mean grain (2831 kg ha-1) and stover yield (7000 kg ha-1). Maize yields recorded under Mg45 were at par with that recorded under the application of Mg30. The B:C ratio 2.01 was obtained under K60 and 2.24 under Mg45.
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