Rice systems‎ > ‎

Irrigated

Dry direct seeding


What is dry direct seeding (DDS)?

Dry direct seeding or DDS is characterized by the following:
  • The field is prepared dry.Dry seeds are sown in dry soil.
  • Seeds are sown either by broadcast or in rows.
  • Seeding in rows can be done by hand or use of seeding machines.

Wet direct seeding


What is wet direct-seeding (WDS)?

  • The field is puddled.
  • Pre-germinated seeds are sown in puddled soil. Seeds are soaked for 24 hours, then incubated for 24-26 hours, then sown
  • Seeds can be sown by hand broadcasting or by using drum seeder

Transplanting


What is transplanting?

Transplanting or TPR is characterized by the following:

  • Field is puddled.
  • Seedlings are raised on a seedbed.
  • Seedlings are transplanted when 12–21 days old
  • Method of seedbed preparation
    • Dapog - seedlings are transplanted when 12 days old.
    • Wet-bed - seedlings are transplanted when 18–21 days old.
    • Dry-bed - seeds are sown in a raised dry bed and seedlings are transplanted when 18–21 days old.
    • Modified mat nursery - seedlings are transplanted when 18–21 days old.