International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 5, Issue:12, December, 2016

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.2016.5(12): 428-436

Integration of Organics and Mineral N on Growth and Yield of Rice in Typic Ustifluvents Soil
Manivannan* and M.V. Sriramachandrasekharan
Department of Soil Science and Agricultural Chemistry, Faculty of Agriculture, Annamalai University, Annamalainagar-608002, Tamilnadu, India
*Corresponding author

Field experiments were conducted during Kharif 2007 and 2008 in Typic Ustifluvents soil to study the response of lowland rice to organics and mineral N tested at N equivalence. The treatments consisted of addition of different organics viz., composted coir pith (CCP), green manures (GM), sugarcane trash compost (STC), vermicompost (VC), poultry manure ( PM) and FYM applied at 100% N and combination of above organics @50% N and urea@50% N besides 100% N as urea and control. The results revealed that addition of organics or mineral N or both significantly improved growths, yield characters and rice yield over control in both years. The highest grain yield (5067, 5050 kg ha-1) and straw yield (6490, 6398 kg ha-1) was noticed with vermicompost (50% N) + urea (50% N) which was on par with poultry manure (50% N) + urea (50% N) but superior to rest of the treatments. Growth and rice yield was more with 100% mineral N compared to 100% N with organics alone. Similar influence was noticed with yield attributes. The relative efficiency was in order of IPNS > Fertilizer N > organics.  Among  organics VC > PM > GM >FYM > STC > CCP.

Keywords: Rice,Organics,Mineral N, Growth,Yield.

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How to cite this article:

Manivannan, R., and Sriramachandrasekharan, M.V. 2016. Integration of Organics and Mineral N on Growth and Yield of Rice in Typic Ustifluvents Soil.Int.J.Curr.Microbiol.App.Sci. 5(12): 428-436. doi:
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