ENAE302

Farm Machinery and Equipment

Syllabus

  1. Introduction (2 hours)
    1. Objectives of farm mechanization
    2. Scope and limitations of farm mechanization
    3. Strategies and policies of farm mechanization: agricultural development strategies; farm mechanization policies; responsible institutions and stakeholders for farm mechanization in Nepal
  2. Basics of Tillage (2 hours)
    1. Concept and objectives of tillage
    2. Physical, chemical and biological effects of tillage on soil properties
    3. Classification of tillage; new technologies and changing views on tillage
  3. Primary Tillage Implements (4 hours)
    1. Mould board plough: history, classification, construction and working principle; accessories, attachments and adjustment; performance, evaluation and draft requirements; forces acting on the plough bottom
    2. Disc ploughs: introduction and function; types, construction, working principle and uses; accessories, attachments and adjustment; forces acting on plough bottom
  4. Secondary Tillage Implements (7 hours)
    1. Harrows: introduction and classification; construction, working principle and function; types; selection and use; forces acting on disk harrow and their analysis
    2. Rotary tillage tools and implements: types, construction and working principles of rotavator, stirring plough and auger plough; advantages and limitations; forces acting on rotary tillage tools
    3. Specialized tillage implements and tools: sub-soiler, chisel ploughs, rider, bundformer and puddler
    4. Tools and implements for intercultural operations: objectives; types, construction and working principle of cultivator; types of intercultural tools (sweep, shovel, hoe, rotary hoe and weeder); horticultural tools and equipments
  5. Seeding and Planting Machines (4 hours)
    1. Introduction and classification of seeding and planting machines
    2. Components and functional elements of machine
    3. Methods of seeding and planting
    4. Seeding mechanism, types, construction and working principles of drills and planters
    5. Types, construction and working principle of paddy trans-planters
    6. Fertilizer metering devices in drills and planters
    7. Calibration, performance and efficiency of seed drills and planters
    8. Furrow openers and covering devices in drills and planters
    9. Sugarcane and potato planters
    10. Modern development of climate smart technology
  6. Machines and Equipment for Plant Protection (3 hours)
    1. Introduction and objectives of plant protection machines and equipments
    2. Types of sprayers and dusters
    3. Working principle and components of sprayers
    4. Working principle and components of duster
    5. Methods and techniques of application of pesticide
    6. Safety in handling plant protection machines
    7. Selection and calibration of sprayers
  7. Harvesting Machines (8 hours)
    1. Crop harvesting methods and their mechanization
    2. Mowers: types, working principles and constructional details; adjustments and balancing of cutter-bar
    3. Reapers and windrowers: types, working principle, constructional details, reaper-binder and adjustments and performance
    4. Harvesters for other crops: working principle and constructional components of potato digger, groundnut harvester, sugarcane harvester and fruit harvesting machinery
    5. Combined harvesters: working principle, classification and functional components of grain combines; adjustments and trouble-shooting
  8. Threshing Machines (3 hours)
    1. Threshing mechanisms and their mechanization
    2. Types of threshers, their working principles and constructional details
    3. Factors affecting thresher performance
    4. Adjustments and trouble-shooting in mechanical threshers
  9. Chaff and Silage Cutters and Forage Harvesters (2 hours)
    1. Working principle and constructional details
    2. Types of cutter heads
    3. Forage blower, straw baler and silage making machine
  10. Hill Agricultural Machinery and Tools (2 hours)
    1. Indigenous wooden plough
    2. Millet planter, harvester and thresher
    3. Ginger and turmeric cleaning machines
    4. Spade, knife and sickle
  11. Selection and Economics of Farm Machines and Equipment (2 hours)
    1. Selection criteria of farm machines and equipment
    2. Cost of operation of farm machines
    3. Management of farm machines and equipments
  12. Custom Hiring of Agricultural Machinery and Tractor (2 hours)
    1. Importance of custom hiring
    2. Feasibility of custom hiring of farm machine and equipment

Practicals

Tutorial (15 hours)

  1. Performance, evaluation and draft requirements mould board plough
  2. Forces acting on the plough bottom (mould board and disc plough)
  3. Analysis of forces acting on disk harrow
  4. Calibration, performance and efficiency of seeding and planting machines
  5. Construction, adjustment and trouble-shooting of threshing machines
  6. Cost analysis of operation of farm machines

Practical (30 hours)

  1. Familiarization with farm operations, farm machines and equipment
  2. Safety measures in farm machinery operation
  3. Measurement of size of mould board plough and disc plough in the lab and in the field
  4. Measurement of power requirement in the field by using spring dynamometer for any types of tillage implements
  5. Determination of efficiency of tillage implements in the field
  6. Seed drill and planter calibration; uniformity of metering mechanism
  7. Evaluation of performance of sprayer and mechanical weeder
  8. Demonstration/operation of sub-soiler and chisel plough
  9. Observation of paddy trans-planters and seeder
  10. Observation of mowers and reapers
  11. Determination of efficiency of mechanical thresher
  12. Observation of combined harvesters
  13. Trouble shooting and maintenance of agricultural machineries