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Development of Seedling Raising Technique for Mechanical Rice Transplanter

Md. Anwar Hossen
Senior Scientific Officer
Farm Machinery and Postharvest Technology Division, Bangladesh Rice Research Institute, Gazipur-1701

Dr. Md. Durrul Huda
Principal Scientific Officer
Farm Machinery and Postharvest Technology Division, Bangladesh Rice Research Institute, Gazipur-1701

Dr. Md. Syedul Islam
Director General
Bangladesh Rice Research Institute, Gazipur-1701

Abstract/ Executive Summary:

Mechanical transplanting of rice was the process of transplanting specifically raised seedling of rice as a mat at pre-determined and desired spacing. The seedlings were raised on polythene sheet and cut into slices of 28 × 58 cm size to feed into the seedling trays of the transplanter. A total of 14 (fourteen) treatments combing with different seed covering materials and dry and sprouted seed were used for this experiment. The cow dung mixed soil and without cowdung mixed soil were also used as treatment for this experiment. The highest no. of seedling per square centimeter was found for T₉ (4.25) treatment followed by T₁₃ and T7 treatments respectively. The lowest no. of seedling was found for T₁₄ (2.24) treatments followed by T₁₀, and T₁ respectively. Treatment T₉ seedling was more suitable for machine transplanting.

Keywords: Seedbed, Filler material, Seedlings,

Location: BRRI research workshop, Gazipur

Start Date: 00-07-2011

End Date: 00-06-2012

Program Area: Farm Mechanization

Commodity: Rice

Objectives:

To evaluate the different seedling raising technique for mechanical transplanting in Bangladesh condition

Methodology:

The seedling raised on polythene sheet was cut into slices of 28 × 58 cm size to feed into the seedling trays of the transplanter. However, the seedling raised in the tray can go directly to the transplanter tray because seedling tray and the transplanter tray were of same size. Dry and soft bed on polythene sheet. A total of 14 (fourteen) treatments combing with different seed covering materials and dry and sprouted seed were used for this experiment. The cowdung mixed soil and without cowdung mixed soil were also used as treatment for this experiment. The treatments were as follows: T₁= Dry seed+ Soil+ Rice Husk T₂= Dry seed+ Soil+ Sawdust T₃= Dry seed+ Soil+ Soil T₄=Dry seed+ (Soil+ Cowdung) + Rice Husk T₅= Dry seed+ (Soil+ Cowdung) + Sawdust T₆= Dry seed+ (Soil+ Cowdung) + Soil T₇=Sprouted+ Soil + Rice Husk T₈=Sprouted+ Soil + Sawdust T₉=Sprouted+ Soil + Soil T₁₀= Sprouted + (Soil+ Cowdung) + Rice Husk T₁₁= Sprouted + (Soil+ Cowdung) + Sawdust T₁₂= Sprouted + (Soil+ Cowdung) + Soil T₁₃= Frame+ Sprouted+ Soil T₁₄= Frame+ Dry seed+ Soil + Rice Husk

Source of Information: BRRI Annual Research Review, 2011-12

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Mechanical transplanting of rice was the process of transplanting specifically raised seedling of rice as a mat at pre-determined and desired spacing. The quality of seedling was very important for successful operation of mechanical rice transplanter. The highest no. of seedling per square centimeter was found for T₉ (4.25) treatment followed by T₁₃ and T₇ treatments respectively. The lowest no. of seedling was found for T₁₄ (2.24) treatments followed by T₁₀, and T₁ respectively. Treatment T9 seedling was more suitable for machine transplanting.

Knowledge Management: Report/Proceedings