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Paddy

• Origin – South India.
• Scientific name – Oryza sativa.
• Top producing country – China.
• 2^nd largest rice producing country – India.
• Top producing state in India – West Bengal.
• Paddy (rice with husk) is a highly water-intensive crop.
• Temperature – High temperature above 25-degree Celsius
• Rainfall – High humidity with annual rainfall above 100 cm.

Transplanting of Rice                                    

• Transplanting consists of preparing seedlings in nursery and then planting these seedlings in the prepared main field.
• Transplanting ensures a uniform plant stand.
• In transplanting, the flooded fields basically deny oxygen to the weed seeds in the soil, thus acting as a natural herbicide.

Direct Seeding of Rice (DSR)

• Paddy is sown directly in the field without any nursery preparation, puddling or flooding.
• DSR is effective against weeds and saves water compared to transplanting.
• Direct seeding is more cost-effective than transplanting.
• Plants mature faster when grown via direct seeding.
• It is not necessary to disturb root systems when planted via direct seeding.

Disadvantages

• Higher seed rates
  • Seeds exposed to birds and pestsWeed management
  • Higher risk of lodging

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