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Acceleration of Jute Retting Speed by Nitrogenous Plant Materials.

M. Shamsul Haque
Principal Scientific Officer
Fibre Quality Improvement Division, Bangladesh Jute Research Institute, Manik Mia Avenue, Dhaka-1207.

M. Abdul Halim
Scientific Office
Fibre Quality Improvement Division, Bangladesh Jute Research Institute, Manik Mia Avenue, Dhaka-1207.

Fibre Quality Improvement Division, Bangladesh Jute Research Institute, Manik Mia Avenue, Dhaka-1207.

M. S. I. Talukder
Scientific Officer
Fibre Quality Improvement Division, Bangladesh Jute Research Institute, Manik Mia Avenue, Dhaka-1207.

M. Asaduzzaman
Chief Scientific Officer
Fibre Quality Improvement Division, Bangladesh Jute Research Institute, Manik Mia Avenue, Dhaka-1207.

Abstract/ Executive Summary:

Jute retting is completed within 12-18 days by the combined action of water and different microbes. Jute retting always needs more quantity of water in a place where retting activities were conducted. The experiment was undertaken to accelerate retting activity by saving time in minimum water and conducted at Jute Research Regional stations Rangpur, Faridpur, Kishoregonj, Chandina and Sub-station at Monirampur, Tarabo, Patuakhali and JAES, Jagir, Manikgonj in the year of 2006. Instead of urea (nitrogenous fertilizer), two kinds of plant sunhemp and dhancha containing nitrogen were grown and used on jaks for retting in all the stations of BJRI. A retting trial with deshi (CVL-1) and tossa (O-9897) jute varieties were conducted by using sunhemp and dhancha. In the retting ponds/ tanks, it was found that deshi jute was retted within 14-18 days and that of tossa jute retted in 14-16 days and produced better quality of fibre in both cases. The control samples where no nitrogenous plants were used retted jute in 20 days and produced moderate fibre. The nitrogenous plant sunhemp was not possible to grow in Chandina and Patuakhali due to poor germination. The degrees of retting were obtained +++, ++ and + from Rangpur, Faridpur, Kishoregonj, Manikgonj, Monirampur and Tarabo except Chandina and Patuakhali.

Keywords: Acceleration, Jute, Retting speed, Nitrogenous plants

Location: Jute Research Regional station at Rangpur, Faridpur, Kishoregonj, Chandina and Sub-station at Monirampur, Tarabo, Patuakhali and JAES, Jagir, Manikgonj.

Start Date: 10-03-2006

End Date: 30-12-2006

Program Area: Postharvest and Agro-processing

Commodity: Jute

Objectives:

To find out the effect of using different promising nitrogenous plant materials in the ret of jute for the acceleration of retting speed and improvement of fibre quality.

Methodology:

Firstly, Jute plants (CVL-1 and O-9897) were grown in all regional and sub-stations and JAES, Manikgonj of BJRI following recommended culrural practices. Jute plants were harvested at budding stage. Jaks were covered with dhancha, sunhemp, water hyacinth, azolla, pistia etc. as a retting accelerator. The end point of retting was observed critically. The fibre were extracted, washed and dried. Finally, produced fibres were assessed in respect of of their quality, percent cuttings, color and grade.

Source of Information: Annual report 2006-2007

Article Link (Online Journal):

Funding Source:

1. Government

Budget: Twenty five thousand only

Total Budget (Tk.) : Twenty five thousand only

Achievement/Findings:

It was found that deshi jute was retted within 14-18 days and that of tossa jute retted in 14-16 days and produced better quality of fibre in both cases. The control samples where no nitrogenous plants were used retted jute in 20 days and produced moderate fibre. The nitrogenous plant sunhemp was not possible to grow in Chandina and Patuakhali due to poor germination. The degrees of retting were obtained +++, ++ and + from Rangpur, Faridpur, Kishoregonj, Manikgonj, Monirampur and Tarabo except Chandina and Patuakhali.

Knowledge Management: Report/Proceedings, Booklet/Leaflet