Rice Production

Age and handling of seedlings

유해영 2010. 2. 26. 23:24

    

    Age and handling of seedlings

 

○ Age of seedlings

  - Photoperiod sensitive varieties : 40-50 days

  - Wet bed seedlings : 20-30 days

  - Dapog nursery : 10 days

  - Older seedlings

   · sufferring from stem and root injury

   · reducing tillering

   · prolonging maturity

   · reducing grain yield

  - Korea : 10-30 days in machine transplanting

               40 days in hand transplanting before 1970’s

 

○ Handling of seedlings

  - Flooding wet and dry seedbed 1 day before pulling

  - Handling of seedlings with care avoiding stem and root injury

 

 

Age and handling of seedlings.hwp

 

 

Age and handling of seedlings.hwp
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