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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2017)
[Effective from January 1, 2017]
For more details click here

ICV 2015: 85.95
Index Copernicus ICI Journals Master List 2015 - IJCMAS--ICV 2015: 85.95
For more details click here
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2015: 85.95
NAAS RATING 2017: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(3): 2176-2187
DOI: https://doi.org/10.20546/ijcmas.2017.603.248


Effect of Cultivation Methods and Nitrogen Management Strategies on Growth and Yield of Rice (Oryza sativa L.) Grown in Coastal Alluvial Soils of Southern India
D. Dinesh1*, A. Baskar2 and K. Rajan3
1Indian Council of Agricultural Research- Indian Institute of Soil and Water Conservation, Research Centre, Vasad, Gujarat, India
2Department of Soil Science and Agricultural Chemistry, PAJANCOA&RI, Karaikal, Union Territory of Puducherry, India
 3Indian Council of Agricultural Research- Indian Institute of Soil and Water Conservation, Research Centre, Udhagamandalam, Tamil Nadu, India
*Corresponding author
Abstract:

A field experiment was conducted to investigate the methods of cultivation and optimization of nitrogen requirement of rice crop in coastal alluvial soils, Karaikal, Pondicherry, India. Experiment was laid out in a split plot design with methods of rice cultivation as main plot treatment consisted of System of Rice Intensification (SRI), Integrated Crop Management (ICM), Line Planting (LP) and Random Planting (RP) and nitrogen managements strategies as subplot treatment consisted of without nitrogen as control, blanket recommendation, LCC 4, LCC 5, SPAD 35 and SPAD 37. The result showed that Plant height and tiller count were improved by cultivation methods. LCC 4 registered higher plant height, productive tillers number, longer and heavier panicles and harvest index. LP registered higher grain yield of 2.53 t ha-1 which was 10.2 and 17.2 % higher than SRI and RP respectively. Among nitrogen managements, LCC 4 recorded highest grain yield of 2.66 t ha-1 which was 11.1, 19.8, 26.4 and 40.7% higher than blanket, SPAD 35, SPAD 37 and control respectively. ICM recorded significantly highest straw yield (5.49 t ha-1) which was the same as with SRI. The straw yield of ICM was 28.4 and 34.6 % higher than LP and RP respectively. Highest straw yield of 5.88 t ha-1 was observed with LCC 5 which was 1.2, 15.4, 30.7, 53.7 and 59.2 % higher than LCC 4, Blanket, SPAD 35, SPAD 37 and control respectively. LP with LCC 4 was the superior combination than other treatment combinations with respect to growth and yield attributes. It was inferred that potential of SRI and ICM could be explored only when the soil quality is good enough to support vigorous tillering.


Keywords: Rice; Nitrogen management,SRI, ICM, grain yield
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How to cite this article:

Dinesh, D., A. Baskar and Rajan, K. 2017. Effect of Cultivation Methods and Nitrogen Management Strategies on Growth and Yield of Rice (Oryza sativa L.) Grown in Coastal Alluvial Soils of Southern India.Int.J.Curr.Microbiol.App.Sci. 6(3): 2176-2187. doi: https://doi.org/10.20546/ijcmas.2017.603.248