'' '' '' '' Effect of Potassium and Magnesium on Productivity of Maize (<em>Zea mays </em>L.) under Dryland Conditions
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NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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Original Research Articles                      Volume : 8, Issue:4, April, 2019

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
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Int.J.Curr.Microbiol.App.Sci.2019.8(4): 3072-3077
DOI: https://doi.org/10.20546/ijcmas.2019.804.354


Effect of Potassium and Magnesium on Productivity of Maize (Zea mays L.) under Dryland Conditions
Sunil Kumar Dadhich1*, Shanti Kumar Sharma2, Govind Kumar Yadavand G. Ravindra Charry3
1Department of Soil Science and Agricultural Chemistry, Sri Karan Narendra Agriculture University, Jobner, Rajasthan-303329, India 2Director Research, Maharana Pratap University of Agriculture and Technology, Udaipur, Rajsthan-313001, India 3AICRPDA, CRIDA, Hyderabad-500059, India
*Corresponding author
Abstract:

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.


Keywords: Dryland, potassium, magnesium, maize
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How to cite this article:

Sunil Kumar Dadhich, Shanti Kumar Sharma, Govind Kumar Yadav and Ravindra Charry, G. 2019. Effect of Potassium and Magnesium on Productivity of Maize (Zea mays L.) under Dryland Conditions.Int.J.Curr.Microbiol.App.Sci. 8(4): 3072-3077. doi: https://doi.org/10.20546/ijcmas.2019.804.354
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.