Growth, yield and nutrient uptake of browntop millet (Brachiaria ramosa) under varying sowing dates and nitrogen levels

Authors

  • A. SAI KISHORE Professor Jayashankar Telangana State Agricultural University, Rajendranagar, Hyderabad, Telangana 500 030
  • K. BHANU REKHA Professor Jayashankar Telangana State Agricultural University, Rajendranagar, Hyderabad, Telangana 500 030
  • S.A. HUSSAIN Professor Jayashankar Telangana State Agricultural University, Rajendranagar, Hyderabad, Telangana 500 030
  • A. MADHAVI Professor Jayashankar Telangana State Agricultural University, Rajendranagar, Hyderabad, Telangana 500 030

DOI:

https://doi.org/10.59797/ija.v69i1.5490

Keywords:

Browntop millet, Growth, Nutrient uptake, Nitrogen levels, Sowing dates, Yield

Abstract

A field experiment was conducted during rainy (kharif) season of 2019 at research farm of Professor Jayashankar Telangana State Agricultural University, Rajendranagar, Hyderabad, Telangana to study the effect of sowing dates and nitrogen levels on growth, yield and nutrient uptake of browntop millet [Brachiaria ramosa (L.) Stapf]. The experiment was laid out in a randomized block design (RBD) on sandy loam soil with factorial concept consisting of 4 dates of sowing (June 15th, June 30th, July 15th and July 30th) and 4 nitrogen levels (0, 20, 40 and 60 kg/ha) with 3 replications. Results showed that leaf area (683, 1530 and 1412 cm2 /plant), dry-matter production (248, 540, 622 g/m2 ), number of panicles/m2 (6.52), panicle length (17.82 cm), grains/panicle (147.92), grain (2,003 kg/ha) and straw yield (3,930 kg/ha); and nutrient uptake (N, P and K) at tillering, flowering and harvest (grain and straw) were significantly higher with June 15th sowing. Among N levels, application of 60 kg N/ha recorded highest leaf area (735, 1,560 and 1,437 cm2/plant), dry-matter production (243, 523 and 619 g/m2 ), number of panicles/m2 (6.48), panicle length (19.08 cm), grains/panicle (152.42), grain (1,921 kg/ha) and straw yield (3,949 kg/ha), and nutrient uptake (N, P and K) at tillering, flowering and harvest (grain and straw) but was at par with 40 kg N/ha over 20 and 0 kg N/ha.

Author Biographies

  • A. SAI KISHORE, Professor Jayashankar Telangana State Agricultural University, Rajendranagar, Hyderabad, Telangana 500 030

    M.Sc. Scholar

  • K. BHANU REKHA, Professor Jayashankar Telangana State Agricultural University, Rajendranagar, Hyderabad, Telangana 500 030

    Associate Professor

  • S.A. HUSSAIN, Professor Jayashankar Telangana State Agricultural University, Rajendranagar, Hyderabad, Telangana 500 030

    Senior Professor, Department of Agronomy

  • A. MADHAVI, Professor Jayashankar Telangana State Agricultural University, Rajendranagar, Hyderabad, Telangana 500 030

    Principal Scientist and Head, Department of Soil Science and Agricultural Chemistry

References

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Published

2024-05-05

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Section

Research Communication

How to Cite

A. SAI KISHORE, K. BHANU REKHA, S.A. HUSSAIN, & A. MADHAVI. (2024). Growth, yield and nutrient uptake of browntop millet (Brachiaria ramosa) under varying sowing dates and nitrogen levels. Indian Journal of Agronomy, 69(1), 95-98. https://doi.org/10.59797/ija.v69i1.5490