Nutrient management of rice (Oryza sativa) under system of rice intensification (SRI)


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Authors

  • B G MASTHANA REDDY
  • RAVISHANKAR RAVISHANKAR
  • SUBASH BALAGANHVI
  • V R JOSHI

Keywords:

Brown plant hopper, Net returns, System of Rice Intensification, Water use efficiency

Abstract

Field studies were conducted at Agricultural Research Station, Gangavathi, during 2006 and 2007 to study the response of rice genotypes to different organics and NPK levels under system of rice intensification (SRI) and traditional transplanting. The findings revealed that growing rice under SRI with 100% NPK recorded significantly higher mean grain yield of 76.56 q/ha than traditional transplanting with a grain yield of 64.76 q/ha, resulting in an yield increase of 15 percent. Growing rice under SRI with purely organics did not result in higher grain yield. Among the genotypes the hybrid KRH 2 proved superior to BPT 5204 and Early Sona. More number of panicles per unit area, more filled grains per panicle and higher grain weight per plant have contributed to increased grain yield in the case of SRI as compared to traditional transplanting.

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Author Biographies

  • B G MASTHANA REDDY
    Senior Scientist (Agronomy), Agricultural Research Station, University of Agricultural Sciences, Gangavathi, District Koppal, Karnataka 583 227

  • RAVISHANKAR RAVISHANKAR
    Associate Professor (Agronomy), ARS Hagari, Dist. Bellary,  Agricultural Research Station, University of Agricultural Sciences, Gangavathi, District Koppal, Karnataka 583 227


  • SUBASH BALAGANHVI
    Junior Engineer (Soil water),  Agricultural Research Station, University of Agricultural Sciences, Gangavathi, District Koppal, Karnataka 583 227


  • V R JOSHI
    Senior Farm Superintendent; iiAgricultural Research Station, University of Agricultural Sciences, Gangavathi, District Koppal, Karnataka 583 227

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Issue

Vol. 83 No. 6 (2013)

Section

Articles

License

The copyright of the articles published in The Indian Journal of Agricultural Sciences is vested with the Indian Council of Agricultural Research, which reserves the right to enter into any agreement with any organization in India or abroad, for reprography, photocopying, storage and dissemination of information. The Council has no objection to using the material, provided the information is not being utilized for commercial purposes and wherever the information is being used, proper credit is given to ICAR.

How to Cite

REDDY, B. G. M., RAVISHANKAR, R., BALAGANHVI, S., & JOSHI, V. R. (2013). Nutrient management of rice (Oryza sativa) under system of rice intensification (SRI). The Indian Journal of Agricultural Sciences, 83(6). https://epubs.icar.org.in/index.php/IJAgS/article/view/30318