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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
For more details click here

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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

Int.J.Curr.Microbiol.App.Sci.2020.9(6): 4202-4209
DOI: https://doi.org/10.20546/ijcmas.2020.906.492


Nitrogen and Phosphorus Requirement to Soybean in High Phosphorus Soils
M. Jagadesh*, A. Madhavi, M. Chandini Patnaik and A. Madhavi Lata
Professor Jayashankar Telangana State Agricultural University, Hyderabad-500 030, India
*Corresponding author
Abstract:

A net house experiment was conducted during kharif, 2018 at Agricultural Research Institute, Rajendranagar, Hyderabad, Telangana state to know the requirement of N and P to soybean crop in high phosphorus soils. The soils employed for the experiment were sandy clay loam in texture, low in available nitrogen, high in phosphorus and high in potassium status. The experiment was conducted employing 4 levels of N (60, 80, 100 and 120 kg N ha-1) 2 levels of phosphorus (42 and 60 kg P2Oha-1) and with three high P soils having 69, 82 and 107 kg native available P2O5 ha-1. Application of nitrogen @ 80 kg ha-1 resulted in higher seed (14.60 g pot-1) and haulm yield (21.03 g pot-1) when compared with 60 kg N ha-1 but it was found to be on par with the application of 100 and 120 kg N ha1.The significant increment in the seed yield of soybean was observed in all the three high P soils with increase in nitrogen levels from 60 to 80 kg N ha-1. Application of phosphorus @ 100% RDP or 70% RDP resulted in on par seed and haulm yield in all three high P soils. Thus reducing the level of phosphorus application from 60 to 42 kg P2Oha-1 had no significant effect on the yield of soybean. The yield achieved by application of 80 kg N ha-1 and 100% RDP was found to be on par with the application of 100, 120 kg N ha-1 along with 70 or 100% RDP.


Keywords: Completely Randomized block Design, seed yield, haulm yield
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How to cite this article:

Jagadesh M., A. Madhavi, M. Chandini Patnaik and Madhavi Lata A. 2020. Nitrogen and Phosphorus Requirement to Soybean in High Phosphorus Soils.Int.J.Curr.Microbiol.App.Sci. 9(6): 4202-4209. doi: https://doi.org/10.20546/ijcmas.2020.906.492