International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 7, Issue:7, July, 2018

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(7): 163-170

Uptake of N, P and K by Weeds and Crop of Aerobic Rice (Oryza sativa) as Influenced by Weed Management Practices under Different Seeding Methods
Ch. Prashanthi1, P. Laxminarayana1, G.E.Ch. Vidyasagar1 and S. Harish Kumar Sharma2
1Department of Agronomy, College of Agriculture, 2Department of Soil Science and Agricultural Chemistry, Professor Jayashankar Telangana State Agricultural University, Rajendranagar, Hyderabad - 500 030, India
*Corresponding author

A field experiment was conducted to assess the effect of seeding methods and weed management practices on yield of aerobic rice and nutrient removal by the weeds under direct seeded aerobic rice. Among the seeding methods line sowing increased the grain yield than the broadcasting method. Among weed management all the weed management practices were found to be equally effective in reducing the uptake of nutrient by weeds and producing higher grain yield as compare to weedy check. However maximum yield was obtained with the application of Pretilachlor 0.75 kg ai ha-1 as PE fb Azimsulfuron ha-1 + Cyhalofop butyl 75 g. ai ha-1 as PoE 15-20 DAS along with 1HW at 50 DAS indicating that weeds are controlled efficiently with sequential application of herbicides resulted in higher grain yield. Herbicidal treatments resulted in considerably lower cost of cultivation compared to hand weeding.

Keywords: Aerobic rice, Weed parameters, N, P, K uptakes and yield

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How to cite this article:

Prashanthi, Ch., P. Laxminarayana, G.E.Ch. Vidyasagar and Harish Kumar Sharma, S. 2018. Uptake of N, P and K by Weeds and Crop of Aerobic Rice (Oryza sativa) as Influenced by Weed Management Practices under Different Seeding Methods.Int.J.Curr.Microbiol.App.Sci. 7(7): 163-170. doi:
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.