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Design, Development and Assessment of the Economic Suitability of a Permanent Floating Bed for Cultivating Vegetables Round the Year (2016-2017)

S. S. A. Kamar
IWM Division, BARI, Gazipur

M. A. Wohab
IWM Division, BARI, Gazipur

Abstract/ Executive Summary:

The experiment was conducted at RARS, BARI, Rahmatpur, Barishal during 07 November, 2016 to 06 March, 2017 to develop a low cost permanent bed for floating farmers and to determine the socio-economic suitability of the permanent bed as compared with the traditional bed to grow crops round the year. Two plastic pipes (4') of 20?, another two plastic pipes (4') of 4'3' and four elbows were used for making the permanent bed. The four elbows (4') was connected at the end of two 20? long pipe (4') by plastic gum. Then the two 4' 3' long pipe (4') was jointed between four elbows (4') by plastic gum. After that the permanent bed was covered by plastic sheet and net (1') to protect the bed materials (water hyacinth) from fish. The plastic layer was used, so that the sunlight could not affect the plastic pipe. As the bed height was short (9 inch) the fibrous roots was came out quickly, as they got some source of nutrient from the bed materials. So some correction was needed to grow carrot in permanent bed. It was observed that the yield of potato was 10.65 t/ha. The yield was found 4.16 ton per hector for green pod and for dry seed yield, it was found 0.35 ton per hector. As it was the first year experiment, it needed to verify with the land cultivation of carrot, potato and bush bean data.

Keywords: Floating bed, Economic suitability, Permanent bed, Traditional beds, Floating agriculture

Location: RARS, BARI, Rahmatpur, Barishal, Bangladesh

Start Date: 07-11-2016

End Date: 06-03-2017

Program Area: Crop-Soil-Water Management

Commodity: Vegetables, Floating agriculture

Objectives:

The following objectives:

To design and develop of a low cost permanent floating bed
To compare the economic suitability of the permanent bed with the traditional beds.

Methodology:

Type –I:

Two plastic pipes (4?) of 20?, another two plastic pipes (4?) of 4? 3? and four elbows were used for making the permanent bed. The four elbows (4?) were connected at the end of two 20? long pipe (4?) by plastic gum. Then the two 4? 3? long pipe (4?) was jointed between four elbows (4?) by plastic gum. After that the permanent bed was covered by plastic sheet and net (1?) to protect the bed materials (water hyacinth) from fish. The plastic layer was used, so that the sunlight could not affect the plastic pipe.

Type-II:

Two plastic pipes (4?) of 20?, another two plastic pipes (4?) of 4? 3?, T-jointer and four elbows were used for making the permanent bed. The four elbows (4?) were connected at the end of two 20? long pipe (4?) by plastic gum. Then the 20? long pipes were cut at 4? 3? distance from the both end and connected with T-jointer. After that the four 4? 3? long pipe (4?) was jointed between four elbows (4?) and T-jointer by plastic gum. The constructed bed was covered by plastic sheet and net (1?) to protect the bed materials (water hyacinth, topapana) from fish. The plastic layer was used, so that the sunlight could not affect the plastic pipe.

Data analysis:

The average data was given in the next chapter.

Source of Information: Annual Research Report 2016-2017, IWM Division, BARI, Gazipur

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

It was observed that the yield of potato was 10.65 t/ha. The yield was found 4.16 ton per hector for green pod and for dry seed yield, it was found 0.35 ton per hector. As it was the first year experiment, it needed to verify with the land cultivation of carrot, potato and bush bean data. As, it was the first year experiment, it is needed to verify with the yield data of carrot, potato and bush bean under land cultivation.

Knowledge Management: Report/Proceedings