Response of two rice (Oryza sativa) hybrids to graded levels of nitrogen


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Authors

  • HARI OM
  • S K KATYAL
  • S D DHIMAN

Keywords:

rice hybrids, nitrogen, 'PHB 71', 'PMS2A/IR31802', transplanting

Abstract

A field experiment was conducted during was season of 1993 and 1994 to study the effect of 5 nitrogen levels (0,50,
100, 150 and 200 kg/ha) and 2 rice (Oryza sativa) hybrids' PHB 71 ' and 'PMS2A/IR31802'). The results revealed that
the hybrid I PHB 71' seed lings were more vigorous than the 'PMS2A/IR31802' in terms of dry weight, shoot length and
vigour index. There was a significant increase in grain yield with each additional application of nitrogen from 0 - 200 kg/
ha during 1993 while in 1994 the increase in N dose from 150 - 200 kg/ha could not register significant increase. Hybrid
'PHB 71 'gave 0.75 and 0,95 tonnes/ ha higher yield than' PMS2A/IR31802' in 1993 and 1994 respectively. The highest
level of yield 9.25 and 8.24 tonnes/ha was recorded by 'PHB 71 ' at 200 kg N/ha during the respective year. Yield attributes
showed improvement with the increase in N level.

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Author Biographies

  • HARI OM

    Agronomist, Rice Research Station, Chaudhary Charan Singh Haryana Agricultural University, Kaul 136 021

  • S K KATYAL
    Senior Aronomist, Rice Research Station, Chaudhary Charan Singh Haryana Agricultural University, Kaul 136 021
  • S D DHIMAN
    Formar Professor of Agonomy, CCS HAU , Hisar 125 004,Rice Research Station, Chaudhary Charan Singh Haryana Agricultural University, Kaul 136 021

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Issue

Vol. 70 No. 3 (2000)

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

OM, H., KATYAL, S. K., & DHIMAN, S. D. (2013). Response of two rice (Oryza sativa) hybrids to graded levels of nitrogen. The Indian Journal of Agricultural Sciences, 70(3). https://epubs.icar.org.in/index.php/IJAgS/article/view/28061