BAG053

Seed Process Engineering

L-T-P3-0-0 Credits3 Session2024-25 TypeTheory
Appears in 1 semester

B.Tech Agricultural Engineering · Sem 5 (Departmental Elective-I)

Pre-requisites: Basic knowledge of unit operations, drying and storage concepts.

Syllabus

5 units
Unit1

Unit 1

Seed processing and its importance, principles of seed processing, seed industry and seed acts; Development of seed industry in India, Preparing seed for processing; Seed conditioning machines. Debearder machines, Hand and power operated shelling machines; Seed cleaning, grading and separating machines& their design.

Unit2

Unit 2

Seed drying, natural and mechanical, dryers for seeds. Types & operation and maintenance of seed dryers; Seed cleaning; different type of air-screen cleaning/ separating machines, Seed grading; different types of seed graders such as length and breadth separators, disc separators, Indented cylinder separator, gravity separator; De-stoner; Air classifier Magnetic separators, colour separators and operation, care & maintenance of cleaners and graders.

Unit3

Unit 3

Seed treatment; types of treatment, methods and related equipments such as liquid treaters, slurry treaters, dust and fumigants, precautions regarding the seed treatment and ISI recommendations; Seed packaging, stitching and bag closing machines, automatic weighing machines and tagging etc.

Unit4

Unit 4

Seed storage; principles of seed storage, storage structures; Dehumidifiers to control temp, RH and moisture, changes in seed quality during storage. CAP storage of hermetically sealed storages; Grain bins and silos, drying-cum-storage bins and their design.

Unit5

Unit 5

Seed conveyors; bucket elevators, belt conveyors, screw conveyors, trucks Wagons; Repair and maintenance of different types of conveying devices; Seed plant layout design and construction. Objectives and concepts of seed certification; seed certification agencies, minimum seed certification standards for breeder's seed, certified seeds, field and seed inspection, methods of inspection, Post harvest inspection seed legislation loess.

Course Outcomes (COs)5 outcomes

After completion of the course student will be able to:

  1. CO1Understand about seed processing and its importance and machines used for seed processing operations.K1&K2
  2. CO2Understand and analyze seed driers, cleaners, graders and separators.K2
  3. CO3Understand about seed treatment, precautions regarding the seed treatment, Seed packaging, stitching, bag closing machines, automatic weighing machines and tagging etc.K2
  4. CO4Illustrate the design and principle of seed storage structures.K4
  5. CO5Understand about seed conveyors, objectives and concepts of seed certification and analyze the design and construction of seed plant layout.K2&K4

Suggested Reading

  1. Multon,J.L. (1989). Preservation and Storage of Grains, Seeds and their By‐Products: Cereals, oil Seeds, Pulses and Animal Feed. CBS Publishing and Distributions, Delhi.
  2. Vijaya Raghavan, S. (1994). Grain Storage Engineering & Technology. Batra Book Service, New Delhi.
  3. Chakravarty,A . (1995). Post Harvest technology of Cereals, Pulses and Oil Seeds. Oxford and IBH Pub.Co.Calcutta.
  4. Majumdar, A.S . (2000). Drying Technology in Agriculture & Food Science. Oxford and IBH Publishing House.
  5. Agrawal, R.L. "Seed Technology". Oxford & IBH Publication, Co. Pvt Ltd, New Delhi-1994.
  6. Gregg, B.R., Law, A.G. Virdi, S.S. and Balis.J.S. "Seed Processing", National seed corpn. New Delhi, 1990.
  7. Douglas, J.E. "Seed Certification Mannual" National seeds corpn. New Delhi, 1970.
  8. Saxena, R.P. "Beej Sansadhan (Hindi). Directorate, Translation and Publication", G.B.Pant University Pantnagar, 1984.
  9. Douglas. J.E. "Seed Production Mannual". National Seeds Corporation and Rockfeller Foundation. New Delhi, 1969.

Official AKTU syllabus

This subject is on page 15, 16 of the original AKTU PDF.

Official AKTU syllabus PDF ↗