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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 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
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 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(12): 66-72
DOI: https://doi.org/10.20546/ijcmas.2017.612.008


Effect of Weed Management Practices on Nutrient Uptake by Direct Seeded Upland Rice under Tripura Condition
M. Chakraborti*, B. Duary and M. Datta
1Department of Agronomy, Krishi Vigyan Kendra (ICAR), West Tripura, India
2Department of ASEPAN, Palli Siksha Bhavana, Visva-Bharati, Sriniketan, West Bengal, India
3ICAR (RC) for NEH Region, Tripura Centre, Lembucherra and Principal, College of Agriculture, Tripura, India
*Corresponding author
Abstract:

Field experiment was conducted during the kharif season of 2013 and 2014 to study the effect of weed management practices on nutrient uptake by direct seeded upland rice. The experiment consisted of twelve treatments laid out in randomized complete block design with three replication. The common weed flora found in the experimental field were Amaranthus viridis, Oldenlendia corymbosa, Spilanthes acmella, Ludwigia parviflora, Cleome rutidosperma, Malvestrum coromondalianeum among the broad leaf weed, Digitaria sanguinalis among grasses and Cyperus iria among sedges. The highest uptake of NPK was recorded by the treatment hand weeding thrice at 15, 30 and 45 DAS, while weedy check registered the lowest uptake values for all the major nutrients. Among the other treatments, pendimethalin at 1.0 kg ha-1 + one hand weeding at 30 DAS and pendimethalin at 1.0 kg ha-1 at 2 DAS + bispyribac sodium at 25 g ha-1 at 20 DAS were found more efficient with respect to nutrient uptake.


Keywords: Nutrient uptake, Pendimethalin, Hand weeding, Direct seeded rice.
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How to cite this article:

Chakraborti, M., B. Duary and Datta, M. 2017. Effect of Weed Management Practices on Nutrient Uptake by Direct Seeded Upland Rice under Tripura Condition.Int.J.Curr.Microbiol.App.Sci. 6(12): 66-72. doi: https://doi.org/10.20546/ijcmas.2017.612.008