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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.2017.6(7): 1820-1824
DOI: https://doi.org/10.20546/ijcmas.2017.607.219


Impact of Crop Establishment, Weed and Nutrient Management Practices on Microbial Population and Grain Yield of Transplanted Rice
Sridevi1*, S. Jeyaraman2, S. Ramasamy2 and C. Chinnusamy2
1Department of Agronomy, Pandit Jawaharlal Nehru College of Agriculture and Research Institute, Karaikal – 609 603, India
2Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India - 641 003
*Corresponding author
Abstract:

The field experiments were carried out in clay loam soil of wetland farms of Tamil Nadu Agricultural University, Coimbatore during Samba 2009 and 2010 to elucidate the effect of rice establishment, weed and nutrient management practices on microbial population in the rhizosphere and yield of transplanted rice. The experiments were laid out in split plot design with rice establishment and weed management methods (M1: Conventional planting + hand weeding, M2: Conventional planting + one way rotary weeding, M3: SRI planting + hand weeding, M4: SRI planting + two way rotary weeding) in main plots and nutrient management practices [S1: Absolute control, S2: 150:50:50 kg NPK ha-1, S3: S2 + 12.5 t FYM ha-1, S4: S3 + Azophosmet (Seed treatment @ 2 g kg-1 and soil application @ 2 kg ha-1) + pink pigmented facultative methylotroph (PPFM) (foliar spray @ 0.1% at active tillering, panicle initiation and at 50 per cent flowering stage)] in sub plots, replicated thrice. The SRI planting with two way rotary weeding thrice at weekly interval starting from 15 days after transplanting registered higher microbial population in the rhizosphere viz., bacteria, fungi, actinomycetes, Azospirillum, phosphobacteria and Pink pigmented facultative methylotroph (PPFM) at flowering stage and higher grain and straw yield. Microbial population and yield were higher with combined application of recommended dose of fertilizer (150:50:50 kg NPK ha-1) along with 12.5 t ha-1 FYM and biofertilizers viz., Azophosmet as soil and seed treatment and PPFM as foliar spray.


Keywords: Transplanted rice, SRI,Microbial population and grainn yield.
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How to cite this article:

Sridevi, V., S. Jeyaraman, S. Ramasamy and Chinnusamy, C. 2017. Impact of Crop Establishment, Weed and Nutrient Management Practices on Microbial Population and Grain Yield of Transplanted Rice.Int.J.Curr.Microbiol.App.Sci. 6(7): 1820-1824. doi: https://doi.org/10.20546/ijcmas.2017.607.219