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Research Article Open access CC BY 4.0

Impact of Establishment Techniques and Weed Management Strategies on Chemical Properties of Soil in Wet Direct-seeded Winter Rice

Hridesh Harsha Sarma, Saurav Kumar Dutta, Milon Jyoti Konwar, Nawab Tayab Rafique, Mrinal Saikia, Sanjib Ranjan Borah, Ajay Kumar Medhi

Journal of Advances in Biology & Biotechnology · pp. 269–274 · Published 11 May 2024

10.9734/jabb/2024/v27i6885

Abstract

Aim: The aim of the experiment was to check the effect of establishment techniques and weed management strategies on chemical properties of soil. Study Design:  The design of the experiment was split plot design. Place and Duration of Study: Assam Agricultural University-Assam Rice Research Institute, Titabar, Assam, India, during the sali season of 2022-2023. Methodology: A total of three establishment techniques viz., broadcasting , drum seeding and line sowing in main plot and  six different weed management practices namely hand weeding at 20, 40 and 60 DAS , pyrazosulfuron-ethyl @ 30 g/ha at 2 DAS fb bispyribac-Na @ 25 g/ha at 25 DAS, pyrazosulfuron-ethyl @ 30 g/ha at 2 DAS fb mechanical weeding at 40 and 60 DAS, pyrazosulfuron-ethyl @ 30 g/ha at 2 DAS fb bispyribac-Na @ 25 g/ha at 25 and 45 DAS , weed free check and  weedy check  in sub plot , respectively. Where DAS=Days after sowing and fb=followed by. Results: Results revealed that among various establishment techniques, drum seeding technique resulted in the lowest available nitrogen (237.87 kg/ha), phosphorus (21.67 kg/ha) and potassium (150.15 kg/ha) in the soil, respectively after harvest. Moreover, under various weed management practices, pyrazosulfuron-ethyl @ 30g/ha at 2 DAS fb bispyribac-Na @ 25 g/ha at 25 and 45 DAS showed lowest nitrogen (236.87 kg/ha), phosphorus (21.37 kg/ha) and potassium (149.23 kg/ha) in the soil, respectively after harvest which was next to weed free check. Conclusion: Combined application of drum seeding along with pyrazosulfuron-ethyl @ 30g/ha at 2 DAS fb bispyribac-Na @ 25 g/ha at 25 and 45 DAS can facilitate optimum plant population of crop with dense canopy cover, resulting in higher uptake of essential minerals and nutrients by the crop, enhancing the overall yield of rice while minimizing weed population throughout the growing period.

Bispyribac-Na Drum seeding nitrogen phosphorus potassium pyrazosulfuron-ethyl

References (8)

  1. 1 Assessment of yield and economic losses in agriculture due to weeds in India [DOI]
  2. 2 Weed Ecology and Weed Management Strategies for Dry-Seeded Rice in Asia [DOI]
  3. 3 Crop performance and water- and nitrogen-use efficiencies in dry-seeded rice in response to irrigation and fertilizer amounts in northwest India [DOI]
  4. 4 Weed Management in Dry Direct-Seeded Rice: A Review on Challenges and Opportunities for Sustainable Rice Production [DOI]
  5. 5 Dry-seeded rice culture in Punjab State of India: Lessons learned from farmers [DOI]
  6. 6 Effect of Establishment Methods and Weed Management Practices on Weeds and Rice in Rice-Wheat Cropping System
  7. 7 Weed Management in direct-seeded rice systems [DOI]
  8. 8 Effect of nitrogen and weed-control practices on performance of irrigated direct-seeded rice (Oryza sativa)

Cited by 2

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Hridesh Harsha Sarma, Santanu Kaushik Borah, Niharika Dutta, Nazmin Sultana, Hrishikesh Nath, Bikash Chandra Das · International Journal of Environment and Climate Change · 2024

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