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Research Detail

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M.K.R. Bhriyan
Principal Scientific Officer
Farm Division, BARI, Joydebpur, Gazipur

M.S. Alam
Tuber Crops Research Centre, BARI, Joydebpur, Gazipur.

A.T.M. Tanjimul Islam
Tuber Crops Research Centre, BARI, Joydebpur, Gazipur.

A staggered harvesting trial on sweet potato has been conducted at Joydebpur to determine the optimum time for staggered harvesting to get maximum return. Four treatments were included in this experiment. Among the treatments, staggered harvesting at 110 + 140 DAP drastically decreased the undeveloped tuber number and sharply increased the developed tuber number, which ultimately influenced on yield.

  Staggered, Harvesting, Yield, Sweet potato.
  Joydebpur, Gazipur
  00-00-2006
  00-00-2007
  Crop-Soil-Water Management
  Sweet potato

To determine the optimum time of staggered harvesting to get maximum return.

The experiment w as carried out at Joydebpur during Rabi season 2006-07. A split plot design was adopted with 3 replications. There were 2 main plots consisted of varieties, namely BARI SP-6 (V1) and BARI SP-7 (V2) and Each main plot had four sub plots consisting 4 staggered harvesting combinations viz. T1= 90+110+140 DAP, T2=110+140 DAP, T3= 90+140 DAP and T4= 140 DAP ( final harvest). Staggered harvesting was done by packing up the developed tubers from the side of the Plants. Final harvesting was done by digging the soil, each sub plot size was 3.0 × 3.0 m2 50 Plants. The experiment was set up on November, 25, 2006 and harvesting was done according to treatment combinations. The crop was fertilized as per recommendation. Data on yield and yield contributing characters were collected from 10 randomly selected plants. Data were analyzed by using MSTAC-C program.

  TCRC, Annual Report-2006-07, BARI
  
Funding Source:
1.  Government Budget:  20,000/=
   20,000/=

Among the treatments, staggered harvesting at 110 + 140 DAP drastically decreased the undeveloped tuber number and sharply increased the developed tuber number, which ultimately influenced on yield.

  Report/Proceedings
  

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