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Consider the following statements with reference to the Direct Seeded Rice (DSR):
1. It is a modern rice cultivation technique where rice seeds are directly sown into the field.
2. It is an efficient and sustainable method of rice cultivation.
Which of the statements given above is/are correct?
  • a)
    1 only
  • b)
    2 only
  • c)
    Both 1 and 2
  • d)
    Neither 1 nor 2
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Consider the following statements with reference to the Direct Seeded ...
Recently, ICAR has commercialised herbicide-tolerant (Ht) basmati rice varieties that can control weeds.
About Direct Seeded Rice (DSR):
  • It is a modern rice cultivation technique where rice seeds are directly sown into the field, replacing the traditional method of transplanting seedlings from a nursery.
    • It is an efficient, and sustainable method of rice cultivation that offers significant benefits for farmers, the environment, and the economy.
  • About Herbicide-Tolerant Basmati Rice: ICAR commercialised non-genetically modified (non-GM) Ht basmati rice. These varieties allow direct application of the herbicide Imazethapyr due to a mutated ALS gene.
  • Scientific debate: Research indicates that hand weeding at specific intervals (20 and 40 days after sowing) in DSR is more effective and yield-enhancing than the use of Imazethapyr.
    • ICAR’s research favours eco-friendly hand weeding over repeated herbicide applications for weed control and higher seed yield.
  • Weed diversity and risks: Imazethapyr targets specific broadleaf weeds (BLW), not all weed types.
    • Herbicide-resistant weeds may evolve, threatening rice production and food security.
    • Similar challenges were seen with Bt-Cotton and pink bollworm resistance.
  • Historical context: In the North Western Plains (e.g., Punjab, Haryana), DSR has been long used for growing Basmati rice.
    • Green Revolution promoted water-intensive transplanted rice, causing ecological issues.
  • Innovations in DSR: From 2014 to 2017, innovations in DSR at IARI Karnal led to the adoption of TAR-VATTAR technology, which uses climatic factors and effective herbicides like Pendimethalin to reduce costs and save water.
  • Recent adoption and impact: During COVID-19, the labour shortage saw a spike in DSR adoption in Punjab, proving its viability.
    • The Haryana government conserved water (e.g., 31,500 crore litres saved in 2022) by adopting DSR on a large scale.
Hence option c is the correct answer.
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Consider the following statements with reference to the Direct Seeded Rice (DSR):1. It is a modern rice cultivation technique where rice seeds are directly sown into the field.2. It is an efficient and sustainable method of rice cultivation.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?
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