Jute_PT.pptx
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This document provides information on jute production technology. It discusses the processes of retting, fiber extraction, ribboning, ribbon retting, drying fibers, fiber color management, and expected yields. Retting is a fermentation process that separates fibers from plant stems, and it requires keeping plants submerged in gently flowing water at 34°C with ample space between bundles. Fiber extraction and ribboning/ribbon retting are further processing steps, while drying must be done in sunny, well-ventilated areas on bamboo frames. Proper management is also needed to prevent abnormal fiber colors and ensure high quality. Average fiber yield is 1.3 tons per hectare, while maximum is 4 tons, and seed yields vary by
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Jute_PT.pptx
- 1. JUTE PRODUCTION TECHNOLOGY Batch: 13th Term: 9th Faculty of Agriculture, EBAUB Muhammad Abdul Mannan Lecturer, Department of Agronomy, EBAUB 2022/04/06
- 2. Retting Definition Do’s and Don'ts in Retting Fiber Extraction Ribboning Ribbon Retting Advantages of Ribbon Retting Drying of Fibers Fiber Color Management Yield Layout of the Lecture
- 3. Layout of the Lecture
- 4. Retting Retting of jute is a kind of fermentation process in which the cortical and phloem tissues of the bark of the plants containing free strands are decomposed to separate fibre from non-fibrous woody stem. Do’s Keeping the plants in gently flowing, fairly deep, clear, and soft water. Maintaining a temperature of about 34 0C Ample space between and among the bundles of jute for easy movement of water and microorganisms. Cover the Jak with water hyacinth, rice straw or aquatic weeds. Submerging the Jak at least 10 cm below the water surface. Contents
- 5. Don’ts No covering or weighing materials of earth chunks, banana logs, mango tree or any other green logs Contents Polythene wrapped earth chunk can be used as weighing material 1 Kg of urea for 1000 Kg of green jute plants Gums, Pectin and mucilaginous substances of jute bark loose their functions during retting
- 7. Ribboning, Ribbon Retting and its Advantages Contents
- 8. Drying of Fibers Sunny and well aerated space Bamboo frame or any other hanging structure Spreading of the fibers in the ground is not allowed Contents Contaminants do not only lower the quality of fiber but also create health hazards
- 9. Fiber Color Management The abnormal color: Shamla When does it occur? Recovery: The Shamla color can be recovered by immersing the fibers in Tamarind water solution or Acid Mixture. The fibers then be washed in clean water. Contents If the fibers are not washed properly after treating with tamarind water solution or acid mixture, the fiber quality will deteriorate in storage
- 10. Yield Fiber Yield: 1.3 t/ha (average) 4 t/ha (Maximum) Seed Yield 4.5 t/ha (Capsularis) 2.3 t/ha (Olitorius) Contents
- 11. ? Contents
- 12. Thanks for your patience and concentration