Study on the Adoption and Environmental factors or Soybean Production in Bangladesh

Name of the Project :
Study on the Adoption and Environmental factors or Soybean Production in Bangladesh.
Country:  Bangladesh
Project Location:  All over Bangladesh
 
Professional staff  provided
By the company          : 56
Name of Client: Ministry of Science and Information & Communication Technology, Government of the People’s Republic of Bangladesh No. of man-months    : 12
Start Date (month/year):              July 2005 Completion Date(month/year):
June 2006
Approx. value of services: 1.8  Million Taka
Name of Associate Firm, if any: Bangladesh Agricultural University. No. of man-months of professional staff provided by associate firm(s):
    No. : 20 Man-month:  6
Senior Staff Involved and Functions Performed:
Dr. Md Romij Uddin
Dr.  Md  Sultan Uddin Bhuiya
Dr.  Md Abdus Salam
Team Leader
Agronomist
Soil Scientist
 
Detailed Narrative Description of Project:
The cultivated soybean belongs to the family Leguminosae, sub-family- Papilionaceae. It is capable of fixing and utilizing atmospheric nitrogen through symbiotic relationship with Rhizobium bacteria at the root of the crop. Thus it helps to increase soil fertility and economic crop production not only for itself but also for the next cereal or non-legume crops grown in the rotation, thereby reducing the requirement of added nitrogen fertilizer. It can also be grown as green manuring crop. As a result, soybean is a very suitable crop to fit into the crop rotation. The area and production of this crop is highly constrained due to lack of supply of quality soybean seed to the farm level. This is because soybean seed is short lived and cannot be stored from one Rabi season crop to the next Rabi season. Therefore, the crop is grown in the Kharif II season as seed crop for the next Rabi season (sown in July-August and harvested in November-December). The production of this crop in Kharif season is difficult because of non availability or shortage of high land and high infestation by weeds. The seeds produced in this season become highly costly and availability of seed becomes unpredictable. Therefore, supply of seed for Rabi season planting from that grown in the previous Rabi season after storage could be a good option to ensure seed supply at an affordable price. Effort is , therefore, necessary to find out the causes of loss in seed viability in storage. It has been reported that sowing date has a great influence on the keeping quality of soybean seed as the high temperature during ripening causes seed deterioration (Woodroff, 1998). the present piece of research work was undertaken to achieve the following objectives:

To find out the optimum sowing date on yield and yield attributes of soybean cultivars

To observe the effect of sowing date on germination and vigour of soybean seed in storage.

To study the effect of plant density on seed yield and yield attributes under equidistant (square) planting pattern.

To determine the optimum planting density of soybean under square planting system

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