IJAIR NAAS Score : 3.99 ,ISSN : 2319-1473

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    IJAIR NAAS Score : 3.99 (2016 - 2020)
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    Impact of Plant Densities and Nitrogen Levels on Grain Yield and Yield Attributes of Transplanted Rice (Oryza Sativa. L)

    Swarna Ronanki; P. Leela Rani; D. Raji Reddy; G. Sreenivas
    The present investigation aimed to study the effect of three plant densities (farmers practice - zigzag planting : 26 hills m-2, 15x15cm : 44.44 hills m-2and 25x25 cm: 16 hills m-2) and four nitrogen levels (120, 180, 240 and 300 kg ha-1) on grain yield and yield attributes of transplanted rice. A field experiment was carried out at Agricultural Research Institute, Acharya N G Ranga Agricultural University, Rajendranagar, Hyderabad during Kharif 2012. The main results showed that plant density of 44.44 hills m-2 (15x15 cm) gave the highest number of panicles m-2, spikelets panicle-1, filled spikelets panicle-1, grain yield and straw yield over other plant densities. Application of graded levels of N significantly increased the grain yield, straw yield and yield attributing characters viz., panicles m-2, spikelets panicle-1, filled spikelets panicle-1 and test weight. The effect was significant up to a level of 180 kg N ha-1 and thereafter there was no significant increase.
    Select Volume / Issue:
    Year:
    2014
    Type of Publication:
    Article
    Keywords:
    Nitrogen Levels; Plant Densities; Yield Attributes; Grain Yield; Transplanted Rice
    Journal:
    IJAIR
    Volume:
    2
    Number:
    6
    Pages:
    923-928
    Month:
    May
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